repo stringclasses 966
values | path stringlengths 5 283 | license stringclasses 13
values | stars int64 0 3.47k | default_branch stringclasses 15
values | commit_sha stringclasses 966
values | pushed_at stringdate 2015-04-17 10:56:12 2026-07-22 05:29:38 | size_bytes int64 0 1.91M | sha256 stringlengths 64 64 | content stringlengths 0 1.91M |
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dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/PrintEffectsResolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,301 | 2add3e11acf1ea7b174fcd839881bd40d39e6d752d9fa5c986139bd0193b7327 | // RUN: %exits-with 2 %run "%s" > "%t"
// RUN: %exits-with 2 %run --track-print-effects "%s" >> "%t"
// RUN: %diff "%s.expect" "%t"
// The errors in this file are produced regardless of /trackPrintEffects setting.
method {:print} M() {
}
ghost method {:print} N() { // error: cannot apply {:print} to ghost m... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/PrintUTF8.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 148 | 092d77c2debe7fa5e66361d9681a3f1908659fef6d1ee30443360b079ba1b634 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment
method Main() {
print "Mikaël fixed UTF8\n";
}
|
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Protected.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,504 | 190859f0b66e585b1548a1e03893103fd3df6769d7ea1481aa52c7c930f78988 | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
module Library {
export
reveals F, G
provides H
ghost function F(): int { 5 }
ghost function {:opaque} G(): int { 5 }
ghost function H(): int { 5 }
lemma L0() {
assert F() == 5;
assert H() == 5;
}
lemma L1() {
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ProtectedResolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 311 | a38dd9edee408706ad7b00adae7e2486f9ade6920f7db8066b9a25a9dc4d5591 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
module M0 {
ghost function F(): int { 5 }
ghost predicate P() { true }
}
module M1 refines M0 {
ghost function F... { 7 } // error: not allowed to change body
ghost predicate P... { true } // error: not allowed to extend body
}
|
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/QuantificationNewSyntax.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 977 | 289c0430b4ed04c8798c748a406e12bb95d9b485258c34c0176a4076f4e87ad9 | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
module {:options "/quantifierSyntax:4"} NewSyntax {
method M()
{
// Illustrating that per-quantified variable ranges
// can be used to ensure later domains and ranges
// are well-formed.
var numbers := [0, 1, 2, 3];
var _ :=... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/QuantificationNewSyntaxParseErrors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,552 | a8d6a3649cdb4c713f69fd68c9cdcad4874b88d85bc194e9b59394644e55175d | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
module {:options "--quantifier-syntax=3"} OldSyntax {
method M()
{
var y := 5;
print set x | 0 <= x < 10, y; // Allowed, parsed as two separate arguments to print
SomeMethod(set x | 0 <= x < 10, y); // Similarly
var c := ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/QuantificationNewSyntaxResolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,898 | d5b9b75508587f5c51fe6a7cbdae76e9707ba62175881796d30967e1f741f34a | // RUN: %exits-with 2 %build --type-system-refresh=false --general-newtypes=false "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module {:options "/quantifierSyntax:4"} NewSyntax {
method M()
{
// Ensuring we get sensible errors for type mismatches,
// despite the current desugaring implementation.
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RangeCompilation.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 563 | 1ddc94a0305b5ac0e1908902726d27cbbb356749778e331a37969ba3962a14e0 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment
newtype Byte = x | 0 <= x < 256
predicate GoodByte(b: Byte) {
b % 3 == 2
}
predicate GoodInteger(i: int) {
i % 5 == 4
}
method Main() {
assert GoodByte(11) && GoodInteger(24);
var b: Byte :| GoodByte(b);
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RankNeg.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 729 | d96b98091887432435115807320aa35bc2f54f7fc7bba17f0dedf2058346ce66 | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
// Negative tests
// Not well-founded mutual recursions.
ghost function seq_loop_i(xs: seq<int>): int
{
if (xs == [1, 2]) then seq_loop_s([[1,2]])
else 0
}
ghost function seq_loop_s(xs: seq<seq<int>>): int
{
if (xs == [[1, 2]]) then seq... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RankPos.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,612 | e2139a54a2dcaef3918c9582c1e0c2f0d4bd098a31d71e4f7c3516258ec14e56 | // RUN: %testDafnyForEachResolver "%s"
datatype list<A> = Nil | Cons(head: A, tail: list<A>)
datatype d = A | B(ds: list<d>)
datatype d2 = A2 | B2(ds: seq<d2>)
datatype d3 = A3 | B3(ds: set<d3>)
ghost function d_size(x: d): int
{
match x
case A => 1
case B(ds) => 1+ds_size(ds)
}
ghost function ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Reads.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 5,560 | a9cd34c1bc6c7bd1e9a9375256ea3c9d1d94124e8a8ce66c9d4924defb836eae | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
// Checking that the reads clause also is checked over requires
class C { var u : int }
ghost function nope1(c : C):()
requires c.u > 0
{()}
ghost function ok1(c : C):()
requires c.u > 0
reads c
{()}
ghost function nope2(c ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReadsOnMethods-EnabledResolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 917 | fb45c5791278f075dc83594f713f800d272e8ed4fbd16ff98a5371bf99f29a28 | // RUN: %exits-with 2 %verify --reads-clauses-on-methods "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module CContainer {
class C {
var u : int
constructor(u: int) reads {} {
this.u := u;
}
constructor Copy(c: C) reads c {
this.u := c.u;
}
method M() reads {}... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReadsOnMethods-Resolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 529 | 71fb7858cbd7aa8e17dd38424dd47c5fce673f118147c2db588521bded0267a4 | // RUN: %exits-with 2 %verify "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class C {
var u : int
constructor(u: int) reads {} {
this.u := u;
}
constructor Copy(c: C) reads c {
this.u := c.u;
}
method M() reads {} {}
static method TrexsCantSeeIt(c: C) reads c {}
ghost method... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReadsOnMethods.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 15,749 | ebe14492080b74f622b188de15e54f61f63e6b2a1cf3d126de88c6fd158e1c61 | // RUN: %exits-with 4 %verify --reads-clauses-on-methods "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
// The first half of this file is a clone of Reads.dfy,
// but modified to use methods instead of functions wherever possible,
// to provide more testing coverage of the newer feature
// of allowing and enforcing... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReadsOnMethods_Printing.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 662 | ddcd3c9020a14dfbbfce8fadf399e4a95a3ec5653f239382b282c7f7c61b1ee2 | // RUN: %resolve --print:- --reads-clauses-on-methods:false "%s" > "%t"
// RUN: %resolve --print:- --reads-clauses-on-methods:true "%s" >> "%t"
// RUN: %resolve --rprint:- --reads-clauses-on-methods:false "%s" >> "%t"
// RUN: %resolve --rprint:- --reads-clauses-on-methods:true "%s" >> "%t"
// RUN: %diff "%s.expect"... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReadsVisibility.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,124 | 4a76e21eaf1d6eaede33ae220a802c3760bdc52b3d36891b7427c10c13772701 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
// Test that the export-provided type `T` is not recognized as a reference type in Client.
module FarAway {
export
provides T
reveals U
reveals M
export Everything extends FarAway
reveals T
type T(==) = object
type U =... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RealCompare.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,310 | cdfa7861df2378fd53fad7892af78f1570ef9c41c953873d392b39bf3daebd6b | // RUN: %exits-with 4 %verify "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
method M(x: real)
decreases x
{
if 0.0 <= x {
M(x - 15.0);
}
}
method N(x: real, y: real)
decreases x, y
{
if 0.0 <= y {
N(x, y - 1.0);
} else if 0.0 <= x {
N(x - 1.0, 300.0);
}
}
method N_implicit... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RealTypes.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,195 | 7a2f7201aade7dd0e5febe8076896413743f73ec6d15e96901c365c43fb8635c | // RUN: %exits-with 4 %verify "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
method R1(ghost x: real, ghost y: real, i: int) {
assert x + y == y + x;
assert i as real as int == i;
assert x.Floor as real <= x;
if {
case x.Floor as real >= x =>
assert x.Floor == x as int; // the cast to int is al... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Refinement.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 5,381 | 336beac952137c2cb3d3bde66cde75af4455534e9fa1e960d94b9677ed332736 | // RUN: %exits-with 4 %verify --relax-definite-assignment --allow-axioms "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module A {
class X { }
class T {
method M(x: int) returns (y: int)
requires 0 <= x
ensures 0 <= y
{
y := 2 * x;
}
method Q() returns (q: int, r: int, s: ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RefinementErrors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 4,299 | b5cb9879b2f45ac82c4c00a6a05ad8150e7447d10e40dedce6dd47167650cd01 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --allow-deprecation
module A {
class C {
method M(y: int) returns (x: int)
{
x := 6;
}
var abc: bool;
var xyz: bool;
function F<A,B,C>(x: int, y: A, z: set<C>, b: bool): B
ghost function G(): int // u... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RefinementModificationChecking.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,153 | 4be5432942ce08c79efb4645982829850ba705e66209f1918c9a7ddccabdace4 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
abstract module R1 {
class HappyBay {
var f: int
method m(y: set<int>) returns (r: int)
modifies this
{
var t := y;
}
}
}
module R2 refines R1 {
class HappyBay ... {
var g: nat
method m ...
{
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors0.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 15,980 | 53668e06cdbf6e0d25552bd7b5e055b6cf0f08989b5793a7b8179637e897ed31 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
module Misc {
//Should not verify, as ghost loops should not be allowed to diverge.
method GhostDivergentLoop()
{
var a := new int [2];
a[0] := 1;
a[1] := -1;
ghost var i := 0;
while (i < 2)
decreases * // e... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors1.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 5,076 | ec5a31d7abdcba02d5239b53eb4140f84c6464498d4f9f3b01abe77cbfa73f85 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --allow-axioms
// ------------------------ inferred type arguments ----------------------------
// Put the following tests in a separate module, so that the method bodies will
// be type checked even if there are resolution errors in other modules.... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors2.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 12,636 | 9f1233921cd165662b5c629b60878fb281ef39237c7922c1e95adf20a940fc35 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
// ------------------------- statements in expressions ------------------------------
module StatementsInExpressions {
class MyClass {
ghost method SideEffect()
modifies this
{
}
method NonGhostMethod()
{
}
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors3.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 14,464 | dbaa3f3135fcfb0bf0753b174bbf0df7742554ba9e391f720e821d75b0495eb2 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --allow-axioms
// ------------ type variables whose values are not inferred ----------
module NonInferredTypeVariables {
class C<CT> {
var f: CT
}
predicate P<PT>(x: int)
{
x < 100
}
ghost function Q<QT>(x: int): QT
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors4.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 10,903 | eca4e093287ddcf495a5565b59c36fcf0282f25de6cf577289a2177db402c026 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --print-ranges
// ------------------- infer array types for Indexable and MultiIndexable XConstraints ----------
// ------------------- using weaker subtyping constraints ----------
module AdvancedIndexableInference {
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors5.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 19,303 | 140249f190913f054a3006d6e85bb260facdd99032a2990dfdaba85d1d693d51 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --allow-axioms
// ----- constructor-less classes with need for initialization -----
module ConstructorlessClasses {
class C<T(==)> { // error: must have constructor
var x: int
var s: string
var t: set<T>
var u: T
const c... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors6.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 10,975 | 660d7e9099f51812ad4177a5a5f678f6cffd64f571944aa0ba415f211c2e1e11 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
// ----- bad use of types without auto-initializers -----
module Initialization {
datatype Yt<Y> = MakeYt(x: int, y: Y)
type Even = x | x % 2 == 0
type Odd = x | x % 2 == 1 witness 17
type GW = x | x % 2 == 1 ghost witness 17
method De... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors7.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 13,136 | 6e2c6170db5448600d56da9e0d2882a778d54aeb0fdd964911be1b1fba0b13fd | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
// --------------- ghost function error messages ------------------------------
module GhostFunctionErrorMessages {
ghost function GhostFunction(): int
ghost predicate GhostPredicate()
least predicate LeastPredicate()
greatest predicate Gre... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors8.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 13,603 | dab4068d49bd685f17892f845f617cb24d8260427fbb02f4319a145624f52bb0 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
// --------------- let-such-that ghost regressions ------------------------------
module LetSuchThatGhost {
ghost predicate True<T>(t: T) { true }
function F<T>(s: set<T>): int
requires s != {}
{
// once, the RHS for p was (bogusly... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResolutionErrors9.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 6,491 | 8354f52beca64668c6c36b489d1eadb17f9fc992c29f8a9036ec2ae53517cf2a | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --allow-axioms
// --------------- regressions: using "this" in places where there is no enclosing class/type ------------------------------
module UseOfThis {
// The following uses of "this." once caused the resolver to crash.
type {:badUseO... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RestrictedBoundedPools.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 8,603 | 2fbbc20debc1853ae786c8c7ba6c6c797bfe3f3f1af685a5f43bcf979aac2262 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
module Methods_EverythingGoes {
ghost predicate R<Y>(y: Y) { true }
type Opaque(==)
type OpaqueNoAlloc(!new)
class Cell {
var data: int
}
datatype List<G> = Nil | Cons(G, List<G>)
method M0()
requires forall x: Opaqu... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResultInTypeNewtype.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 8,558 | 8d36172651cf1b61844cf666fbb393ec3be76773246fa6d3532c5cbe9d470c79 | // RUN: %exits-with 4 %verify --type-system-refresh --general-newtypes "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
// This file tests that the results of operations that create values of a newtype satisfy the newtype constraint.
// See also ResultInTypeSubsetType.dfy for the analogous tests for subset types.
mod... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ResultInTypeSubsetType.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 8,502 | 93edd1858dbf8bac2175d00b33984255a3f49aba93db786548b2b55c19687a5c | // RUN: %exits-with 4 %verify --type-system-refresh "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
// This file tests that the results of operations that create values of a subset type satisfy the type's constraint.
// See also ResultInTypeNewtype.dfy for the analogous tests for newtypes.
module Bool {
type Fals... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReturnErrors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 829 | d51e908d2af429cc3f2d5d51d0f77e2a06c282482ab0ec0fdfd6625f3278ef18 | // RUN: %exits-with 2 %verify --allow-deprecation "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class N
{
var i: int;
method newN(n: N)
requires n != null;
modifies this, n;
{
n.i := 1;
i := 1;
}
method safe(n: N)
requires n != null;
modifies this;
{
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ReturnTests.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,385 | 975342d0417c9ac1866a1fa1c875f759111d85d00ce5c0a44897f1133733aed3 | // RUN: %verify --allow-deprecation "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class N
{
var i: int;
method newN(n: N)
modifies this, n;
{
n.i := 1;
i := 1;
}
method safe(n: N)
modifies this;
{
i := n.i;
}
}
method m(v: int, n: N) returns (r: int)
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RevealConsistency.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 520 | 314238077d9445956be0cd5516cd0f270e86f6b539b3381b0bf8dbdebdd26d5b | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
// Check that using the reveal_ lemma to prove the well-definedness of a function
// in a lower SCC does not cause a soundness problem
ghost function A(): int
ensures A() == 5 // error: this result value is not what the postcondition specification ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RlimitMultiplier.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 258 | e89352f646c8db09a691b6aef75a63386d4543303579194701bd222e734f28b3 | // RUN: %verify "%s" --resource-limit 10e6 > "%t"
// RUN: %diff "%s.expect" "%t"
ghost function f(i:nat, j:nat):int {if i == 0 then 0 else f(i - 1, i * j + 1) + f(i - 1, 2 * i * j)}
lemma {:timeLimitMultiplier 100} L()
{
assert f(10, 5) == 0;
}
|
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RuntimeTypeTests0.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,608 | 923e12137daa8485f96ca52d9398a0925fbf32ad1ce72f96c9464653c946b53e | // UNSUPPORTED: windows
// RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s"
// The code in this file demonstrates complications in sorting out covariance in some
// compilation target languages.
//
// Part of the solution in Java is to use Java's wildcard types: a "Dafny.Sequence<T>"" is assignable to
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RuntimeTypeTests1.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,527 | 4d74ec387dfe036da6cb6b6b522c071369ba44dc48811262ff7c20a2fc4cbfba | // RUN: %exits-with 2 %run "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
// The code in this file demonstrates how correct compilation of some features
// would require run-time type tests beyond what is reasonable to do at run time.
// In more detail, the problem occurs when a type test is needed to distinguish
//... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/RuntimeTypeTests2.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 736 | 39d29acb232c274af6a469148b7b7f816f8f0fa0312085f2671e3c877a8ba21c | // RUN: %exits-with 3 %run "%s" --target cs > "%t"
// RUN: %diff "%s.expect" "%t"
// The errors in this file are produced by the compiler
predicate ItWasReal(r: real)
{
r == 44.1985
}
method AssignSuchThat() returns (a: int, b: real)
{
a :| a % 5 == 0 && a % 7 == 0;
assert ItWasReal(44.1985);
b... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SeqFromArray.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,515 | a7790a438009d2bbd002b9d86280305be0889daedbd9a971b774e36762d3f1f8 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment
// /autoTriggers:1 added to suppress instabilities
method Main() { }
method H(a: array<int>, c: array<int>, n: nat, j: nat)
requires j < n == a.Length == c.Length
{
var A := a[..];
var C := c[..];
if {
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SeqSlice.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,133 | b98f4f5d15cc074eaf7c0f83eefe98a77fe99b451526123c359dc3b8651fe59d | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
method test(x:seq<int>)
requires |x| == 10
{
var elts := x[4:2:3];
var a, b, c := elts[0], elts[1], elts[2];
assert |a| == 4;
assert |b| == 2;
assert |c| == 3;
assert forall i :: 0 <= i < |a| ==> a[i] == x[i];
assert forall i ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Shadows.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 3,867 | 16c0f278b4bf67cd1574d4cf70a966048a21dc695072b9763f2bf8f834bdb43b | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --warn-shadowing
module Module0 {
class C<alpha> {
method M<beta, beta>(x: beta) // error: duplicate type parameter
method P<alpha>(x: alpha) // shadowed type parameter
ghost function F<beta, beta>(x: beta): int // error: duplicate... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SharedDestructors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 4,840 | b1af4bf46bba9d4ce3e1af4948406e0605149d7056824fca4b35c3a7bd59efda | // RUN: %exits-with 4 %verify --relax-definite-assignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
datatype Dt =
| A(x: int, y: real)
| B(h: MyClass, x: int)
| C(y: real)
| D(u: int, y: real, v: bool)
class MyClass { }
method M(d: Dt) returns (r: int, s: real)
{
if
case true =>
r := ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SharedDestructorsCompile.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,824 | aa798a62b940605e284c65392f76522b5eae7d54415b5797397b195c1747b853 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment
datatype Dt =
| A(x: int, y: real)
| B(h: MyClass, x: int)
| C(y: real)
class MyClass { }
method Main()
{
var o := new MyClass;
var s := [A(10, 12.0), B(o, 6), C(3.14)];
assert s[0].x == 10 && s[0].y ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SharedDestructorsResolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 3,674 | 71a117653fdce9cc6efb954b04cfb5b726e2f4d5431167f2ddf06abfa09dd0e1 | // RUN: %exits-with 2 %verify "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Module0 {
datatype Dt =
| A(x: int, y: real)
| B(h: MyClass, x: int)
| C(y: real)
| D(u: int, y: real, v: bool)
| E(u: int, /*unnamed*/int)
class MyClass { }
method Update(d: Dt) returns (d': Dt)
{... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/ShowSnippets.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 643 | e26bef14dd9bd6c1d2c75c880faa606ec0018cd0ed721163bc0d65fcf21d266e | // There is a known bug in this feature where it can't find the original file if
// /useBaseNameForFileName is used and the file isn't in the current directory:
// https://github.com/dafny-lang/dafny/issues/1518.
// To work around this, we don't pass /useBaseNameForFileName and instead manually
// truncate the sour... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SiblingImports.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,378 | a543992947aea02d508a5a4de972714f86bef5a567d1f69e2aead89a50bc9db9 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment
method Main() {
ClientA.Test();
ClientB.Test();
ClientC.Test();
ClientD.Test();
ClientE.Test();
ClientF.Test();
ClientG.Test();
Kevin.Test();
}
module Library {
export reveals Max
export X re... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SiblingImportsErrors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,170 | 66a4fd7e4bbf510175763a9d7331ff320cefc564700e1e8cc38048b8c9ad27d9 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
module Library {
export reveals Max
export X reveals More
export Y reveals Less
export Z extends Library, X
function Max(x: int, y: int): int {
if x < y then y else x
}
function More(x: int): int { x + 2 }
function Less(x: int... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Simple.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,251 | 44c5ef7370d43aafae7f6ca44b03f9beffcc0bd1dfd8c5cb001ff318fb95cb26 | // RUN: %resolve --allow-warnings --print:- "%s" > "%t"
// RUN: %resolve --allow-warnings --print:- --type-system-refresh "%s" > "%t.refresh"
// RUN: %diff "%s.expect" "%t"
// RUN: %diff "%s.expect" "%t.refresh"
// My first Dafny program
// Rustan Leino, 27 January 2008
class MyClass<T,U> {
var x: int
met... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Skeletons.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,119 | 740938e3ee8bb348ce37bde91db88f55bb0bec2f0e819cd7b446a57612996c8c | // RUN: %exits-with 4 %verify --relax-definite-assignment --allow-axioms "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module A {
method M(p: int) returns (y: int)
requires p <= 30
{
assume p < 100;
var x;
assume x == p + 20;
x := x + 1;
while (*)
invariant x <= 120
de... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SmallTests.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 25,143 | c9d2bce57c6293e611c9aee3d57291a732527b93c2f24fdd66f08ea35cfbb9cb | // RUN: %exits-with 4 %verify --relax-definite-assignment --allow-axioms --allow-deprecation --print "%t.dprint.dfy" "%s" > "%t"
// RUN: %resolve --allow-axioms --allow-warnings "%t.dprint.dfy" >> "%t"
// RUN: %diff "%s.expect" "%t"
class Node {
var next: Node?
ghost predicate IsList(r: set<Node>)
rea... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SplitExpr.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 3,047 | 2f16ce728996e107272f26abf95b7a76bdb5c04775d02b3925745023e2a12102 | // RUN: %exits-with 4 %verify --relax-definite-assignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class UnboundedStack<T> {
var top: Node?<T>
ghost var footprint: set<object>
ghost var content: seq<T>
ghost predicate IsUnboundedStack()
reads {this} + footprint
{
this in footprint &&
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/StatementExpressions.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 4,689 | 447bf98e44c789732f91579568702279b2810848b36d9affaf3276e7e53a4524 | // RUN: %testDafnyForEachResolver --expect-exit-code 4 "%s"
lemma M(n: nat) //returns (y: nat)
{
var y := F(n, 0);
}
ghost function F(n: nat, p: int): nat
{
calc {
100;
< { if n != 0 { M(n-1); } }
102;
}
n
}
lemma MM(n: nat) returns (y: nat)
decreases n, 0
{
if n != 0 {
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Stdin.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 778 | 59eed8197484edd8651f700e7f874192fb762856c70a133bbbc73cd09ac42611 | // RUN: %exits-with 0 %stdin "module A{}" %baredafny verify --show-snippets:false --stdin > "%t"
// RUN: %exits-with 4 %stdin "method a() { assert false; }" %baredafny verify --show-snippets:false --stdin >> "%t"
// RUN: %exits-with 0 %stdin "" %baredafny verify --allow-warnings --show-snippets:false --stdin >> "%t"
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Strings.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 5,252 | fcbe4ee61104ffaf2e4224afa263d16e01171809d1fc4dec9c5bfd45de8a53d5 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --allow-deprecation --unicode-char=false
method Char(a: char, s: string, i: int) returns (b: char)
{
var ch: char := *;
if a == ch {
b := ch;
} else if 0 <= i < |s| {
b := s[i];
} else {
b := *;
}
}
// An attribute par... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SubsetTypes.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 12,472 | 7c7ab73e6e6158653e2f3f9e4d13d1d11f6e7d65d13b46d5ba9d5cbf1a15c534 | // RUN: %exits-with 4 %verify --type-system-refresh=false --general-newtypes=false "%s" --performance-stats=100 --relax-definite-assignment --allow-axioms > "%t"
// RUN: %diff "%s.expect" "%t"
module AssignmentToNat {
method M(x0: int, x1: int, x2: int, x3: int)
{
var a: nat := x0; // error
a := x1... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/SubsetTypesERR.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,105 | bef03e6736042a8c367cd48add33a1574f9282bd5b72b739293406424b20d149 | // RUN: %exits-with 4 %verify --relax-definite-assignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module AssignmentsFromNewAllocation {
// Many of the tests in this module are regression tests
class Person { }
class Cell<T> { }
method K(p: Person) returns (a: array<Person?>, b: array<Person>) {
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Superposition.legacy.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,074 | 0929907602e1fdf046b3ba99cd424d98455770e6361b8c2b8af18c14cde0a487 | // RUN: %exits-with 4 %dafny /compile:0 /tracePOs /print:"%t.print" /dprint:"%t.dprint" "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module M0 {
class C {
method M(c: C?, x: int, y: int) returns (r: int)
requires 0 <= x && 0 <= y
ensures r < 100
{
if (c == null) {
assert c =... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TailCalls.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 11,673 | 1ad9ab9f1c70b5957fd40ab758419c47ebef626a1f459beba3ab31b203621657 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --allow-deprecation
method {:tailrecursion} A(q: int) returns (x: int, ghost y: bool, z: nat)
{
if (q < 10) {
x, y, z := 15, true, 20;
} else {
ghost var u;
x, u, z := A(q-1);
y := !u;
}
}
method {:tailrecursion} B(q: ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Termination.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 25,695 | a96ebb41d57d349ce1bac66da8b31f39475ca905f673bca12f9fe911f967e28b | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s" -- --relax-definite-assignment --allow-deprecation --unicode-char=false
class Termination {
method A(N: int)
requires 0 <= N
{
var i := 0;
while i < N
invariant i <= N
// this will be heuristically inferred: decreases N... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Tooltips.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 564 | 85657c23b7c31e010b037fa89f87594e5cabb9536dd318bae17ca4b3f87212dd | // RUN: %dafny /compile:0 /typeSystemRefresh:1 /generalNewtypes:1 /printTooltips "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
type D<X> = set
type B0<Y> = (int, B1<Y>)
type B1<YY> = y: set | true
newtype NN<!Y3> = iset<Y3>
datatype B2<!Y2> = Something(NN<Y2>)
newtype OO<!Y5> = y: iset<Y5> | true
codatatyp... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TranslationCases.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,075 | fad34f35d27174ba059b11459906299b5109ec52ee2ad9590f2a2445c95340dc | // NONUNIFORM: Only testing the translation to Boogie aspect of the pipeline depending on checks
// RUN: %baredafny run %args --log-level verbose "%s" > "%t"
// RUN: %OutputCheck --file-to-check "%t" "%S/TranslationCasesTranslate.check"
// RUN: %baredafny run %args --log-level verbose --no-verify "%s" > "%t"
//... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TriggerInPredicate.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 569 | aaed3072ce47dcf14837438d437b2a8d4dac9467c574cfe6dc40094685ecc8c0 | // RUN: %verify --show-hints "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
ghost predicate A(x: bool, y: bool) { x }
ghost predicate B(x: bool, z: bool) { forall y {:trigger A(x, y)} :: A(x, y) && z }
// Inlining is disabled here to prevent pollution of the trigger in B
method C() requires B(true || false, true... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Tuples.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,147 | 42e9e1bf27ebcfd2feec8d71a7368c077d7d141ffaed1c4b2a56beaa6c348893 | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
method M(x: int)
{
var unit := ();
var expr := (x);
var pair := (x, x);
var triple := (x, x, x);
}
method N(x: int, y: int)
{
var unit: () := ();
var expr: int := (x);
var pair: (int,int) := (x, x);
var triple: (int,int,int) ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Twostate-Functions.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 4,690 | 235768b65dede0df85328b14f399e538caa430d1e6ad4aafddffbd9082090d23 | // RUN: %exits-with 4 %verify "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Basic {
class U {
var aa: int
var bb: int
var next: U?
static twostate function H0(new u: U): int
requires 10 <= old(u.aa) // error: u is not available in the old state
{
5
}
stat... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Twostate-Resolution.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 15,018 | cd7a2412ec4374e97b5049c19d95d37c22d9e441151460011024fac46d189477 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --print:-
module M0 {
class A {
var f: int
var g: A
}
twostate lemma L8(a: A, new b: A)
requires unchanged(a.g)
modifies a.g // error: lemmas are not allowed to have modifies clauses
decreases old(a.f)
{}
}
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Twostate-Verification.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 19,201 | eb288e5efd267a87de7ef4eed81d684ff35d3c977b0a107b947ac6417edca7c3 | // RUN: %exits-with 4 %run "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
method Main() {
var c, d := new A, new A;
L(c, d); // error: 'c' is not old
}
twostate lemma L(c: A, new d: A)
{
var x := old(c.f);
var y := old(d.f); // error: trying to use new 'd' in previous state
}
class A {
var f: ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeAdjustments.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 15,559 | e536a8a28b296b7581b1714bc5cc3efcc3231ac76de5b8510171ffcbc9ce126a | // RUN: %exits-with 4 %verify --relax-definite-assignment --type-system-refresh "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
type Even = u | u % 2 == 0
method M0(n: nat, e: Even) {
var x; // nat
x := n;
x := n;
var y; // int
y := e;
y := n;
var z; // int
z := n + n;
x, y, z := *, *... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeAntecedents.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,793 | d252d4bbf27bbb60c8783b1ef0f4e7b65fd264278b6eec412eb22e07551232f7 | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s" -- --allow-deprecation --relax-definite-assignment
// -------- This is an example of what was once logically (although not trigger-ly) unsound ---
datatype Wrapper<T> = Wrap(T)
datatype Unit = It
datatype Color = Yellow | Blue
ghost function F(a: ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeConstraints.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 11,639 | 87123075ae7d3113615d1c019c94ce2d76024f6d70cdfedbd5b45af6abcc101e | // RUN: %exits-with 2 %build --rprint:- --type-system-refresh=false --general-traits=legacy --general-newtypes=false "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Tests {
class CC {
var f: nat
var g: int
function F(): nat
method M() {
var a := f; // nat
var b := g; // int
var c := F(... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeConstraintsE.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 669 | 5a6ca854aedb789cc18d6163ea39a61200ea33949ed5111d384836a4451e835d | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
module Arrays_and_SubsetTypes {
method M()
{
var b: array<int>;
var n := new nat[100]; // array<nat>
b := n; // A verification error
}
}
module Arrays_and_SubsetTypesOK {
method M()
{ // Type-wise, all of the following a... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeConstraintsRefresh.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 11,312 | cb0147c7c7590afb34b6a78270183deabb34c76db5da6fe4505950a193997376 | // RUN: %exits-with 2 %build --type-system-refresh "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Tests {
class CC {
var f: nat
var g: int
function F(): nat
method M() {
var a := f; // nat
var b := g; // int
var c := F(); // nat
var w; // int (with legacy type system: nat)
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeConversions.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 9,596 | f90cdc4126f82e7fd00c2027357152cf96e1b5da32df32e413937c7d1204db79 | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s" -- --relax-definite-assignment --general-newtypes=false --rprint:-
newtype EvenInt = x | x % 2 == 0
newtype SmallReal = r | -4.0 <= r < 300.0
// Use of the following predicate will prevent Boogie's cleverness of discarding assignments to dead variable... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeConversionsCompile.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 4,150 | 228d34bc0e1509a71c4e7f3c5faf665a9847bf256fe010b4e88a3a49bdfe914f | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment --general-newtypes=false
// Note the difference in output in Java's case is due to
// https://github.com/dafny-lang/dafny/issues/4152
newtype Handful = x | 0 <= x < 0x8000 // this type turns native
newtype Abundance = y... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeInferenceRefresh.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 25,585 | c49b54988a602cbe50918742f44cc94528a9c643825b822a229a8b5659510a87 | // RUN: %exits-with 4 %verify --type-system-refresh --relax-definite-assignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
datatype Color = BlueX | WhiteX | PastelX
{
predicate IsFailure() {
WhiteX? || BlueX?
}
function PropagateFailure(): int {
15
}
function Extract(): real {
if Blue... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeInferenceRefreshErrors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 8,662 | da1ef4e38ae49b0a1074946bc95be274809b568d5ed91765071727cde8c76e4a | // RUN: %exits-with 2 %verify --type-system-refresh "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Frames {
class C {
var x: int
var y: int
}
// The following was accepted by the old type checking, but it caused a crash in the
// translator. Now, we disallow it.
function ToC(): C
fu... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeInferenceSubsetTypes.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,225 | 42d94d91bbd8d5400fef3357859731c2063d497771a61ee1f82aa773b82d0e1b | // RUN: %exits-with 4 %verify --type-system-refresh "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class Cell {
var data: int
constructor () {
data := 4;
}
}
method Main() {
FromNew();
FromLocalVariable();
var c := new Cell();
FromParameter(c);
WithNull();
FromMethodCall();
}
met... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeInstantiations.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 4,178 | d0a4e0e3f02bfbad2bb840cf0082098692530023826d73f80f56389ab36439db | // RUN: %exits-with 2 %verify --type-system-refresh=false --general-newtypes=false "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
abstract module M0 {
type A
type B = int
type C(==)
type D(==)
type E(==)
type F(==)
type G
type H<X,Y>
type J<Z>
type K0<W(==)>
type K1<W(==)>
type L... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeMembers.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 6,208 | 72193c7d57f45e58d63ab7b470be6789a9bff95f77442fb8410e9d110c42a610 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --allow-warnings --relax-definite-assignment
method Main() {
BasicTests();
MoreTests();
}
// ---------- basic tests ----------
method BasicTests() {
var t := Yes;
var r := t.W(); // 10
var q := t.Q() + DaTy.Q(); // 13 + 13
pri... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeParameters.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 8,395 | d917d92bbae330a4c083cfa24e1c7318a55f7fb71ce1a4014e1484dc4a53cd36 | // RUN: %exits-with 4 %verify --relax-definite-assignment --allow-axioms "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class C<U(==)> {
method M<T>(x: T, u: U) returns (y: T)
ensures x == y && u == u
{
y := x;
}
function F<X(==)>(x: X, u: U): bool
{
x == x && u == u
}
method Mai... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeSynonyms.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 3,894 | 0c76f9f159435a69ee50761930b3f2c3d11225e9080a06832ae0b9f468f145a7 | // RUN: %exits-with 4 %verify --relax-definite-assignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Basic {
type MyType<A> = int
type Int = int
type PairaBools = (bool, bool)
datatype List<T> = Nil | Cons(T, List)
type Synonym0<T,U> = List<T>
type Synonym1<T> = List // type argu... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/TypeTests.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 9,166 | 62828d156819c3b15ce06e65f0587969b184ffd6fa8814b62f1d6688b1891a45 | // RUN: %exits-with 2 %verify --allow-deprecation --type-system-refresh=false --general-newtypes=false "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module Tests {
class C {
ghost function F(c: C, d: D): bool { true }
method M(x: int) returns (y: int, c: C)
requires F(D.A, this); // 2 errors
requir... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Unchanged.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,611 | 723bcde53ea63aca7da32f22cf81928c47828562c24a0cb7ad3f6cc9aa63961b | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
class C {
var f: int
var g: int
method M(c: C, d: C, x: int)
modifies this, c
{
c.f := c.f + x;
assert x != 0 ==> !unchanged(c);
assert x != 0 ==> !unchanged(c`f);
assert d != c ==> unchanged(d);
assert unchan... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/UnfoldingPerformance.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,209 | c8f4f96768b67d2891888b8dfb0d9105314cf2a1b09fd06633c48eea527d67ac | // RUN: %testDafnyForEachResolver --expect-exit-code=4 "%s"
class C {
var x: nat
function IgnoreFuel(): nat
reads this
{
x
}
}
function Fib(n: int): int
{
if n < 2 then n else Fib(n-2) + Fib(n-1)
}
method Test0() {
var c := new C;
var f := Fib(c.IgnoreFuel());
// with the... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/UnicodeCharLiteralParseErrors.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 902 | de252edbd8987c575883954e8143f0043901ae9ac8734a08835063ea3e553701 | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s"
module UnicodeCharSupport {
const goodUnicodeEscape := '\U{10FFFF}'
const badTooLongUnicodeEscape := '\U{1234567}' // error: \U{X..X} escape sequence must have at most six hex digits
const badOutOfRangeUnicodeEscape := '\U{110000}' // error: \U{X... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/UserSpecifiedTypeParameters.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,438 | 4a4378f6579585833016524f1169d83f412b56c918d3b3d908aee3e870ed3690 | // RUN: %exits-with 2 %verify --type-system-refresh=false --general-newtypes=false "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
module M0 {
class MyClass<T(==),U(==)> {
var s: map<T,set<U>>
static ghost function F<W>(w: W, w': W, t: T, u: U): int
{
if w == w' then 5 else 7
}
ghost f... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Variance.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 6,195 | df6eaf065837b949ed9452c792a9b84fe233cd5e835ca79c014010300d4cdc5a | // RUN: %testDafnyForEachResolver --expect-exit-code=2 "%s" -- --print:-
module VarianceChecks {
datatype MyData<+A, *B, !C, D, -E> =
| MakeA(A)
| MakeB(B)
| MakeC(C)
| MakeD(D)
| MakeE(E) // error: E is used in positive position
type Syn<X, -Y, Z> = MyData<X, Y, Z, Z, Z> // erro... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny0/Wellfounded.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,757 | 9679948650c67203cb1a3748057eb72997a0c8f36da8faa5c32fdca5ca2c8004 | // RUN: %testDafnyForEachCompiler --refresh-exit-code=0 "%s" -- --relax-definite-assignment --allow-warnings
method Main() {
var d := Int(10);
d := Set({d});
d := Seq([d,d,d]);
d := Multiset(multiset{d,d});
d := Map0(map[d := 40]);
d := Map1(map[15 := d]);
d := IMap1(imap[15 := d]);
var a1 ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/BDD.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,883 | b50b565ed9c53ab74448f1568a1a6e8b7cd9655a155602e0ae28860dba0c9f40 | // RUN: %testDafnyForEachResolver "%s"
module SimpleBDD
{
class BDDNode
{
static ghost predicate bitfunc(f: map<seq<bool>, bool>, n: nat)
{
forall i:seq<bool> :: i in f <==> |i| == n
}
ghost var Contents: map<seq<bool>, bool>
ghost var Repr: set<object>
ghost var n: nat... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/BinaryTree.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 6,214 | 9f483eb0398527d25ab051e4169f18075bfeed31f927aab0e439a583a6a4e1fb | // RUN: %testDafnyForEachResolver "%s"
class IntSet {
ghost var Contents: set<int>
ghost var Repr: set<object>
var root: Node?
ghost predicate Valid()
reads this, Repr
ensures Valid() ==> this in Repr
{
this in Repr &&
(root == null ==> Contents == {}) &&
(root != null =... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/Celebrity.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,228 | 0ab585a20576a39084878007a132ef24629b5a0c37e319160b264367663400a4 | // RUN: %testDafnyForEachResolver "%s"
// Celebrity example, inspired by the Rodin tutorial
predicate Knows<X>(a: X, b: X)
requires a != b // forbid asking about the reflexive case
ghost predicate IsCelebrity<Y>(c: Y, people: set<Y>)
{
c in people &&
forall p :: p in people && p != c ==> Knows(p, ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/Cubes.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 508 | a8a2d7c50628befb7ee5af987f3f9c9c6bcc7c9c88e3d41ae92b7f5866a7816c | // RUN: %testDafnyForEachResolver "%s"
method Cubes(a: array<int>)
modifies a
ensures forall i :: 0 <= i < a.Length ==> a[i] == i*i*i
{
var n := 0;
var c := 0;
var k := 1;
var m := 6;
while n < a.Length
invariant 0 <= n <= a.Length
invariant forall i :: 0 <= i < n ==> a[i] == i*i*i
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/ExtensibleArray.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 3,706 | 65a3834bfb537ae2fab8bcbc175c070c5745a62467a984ea516d92ccad0b29f1 | // RUN: %testDafnyForEachResolver "%s"
class ExtensibleArray<T> {
ghost var Contents: seq<T>
ghost var Repr: set<object?>
var elements: array?<T>
var more: ExtensibleArray?<array?<T>>
var length: int
var M: int // shorthand for: if more == null then 0 else 256 * |more.Contents|
ghost pre... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/ExtensibleArrayAuto.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 3,198 | 960f13e74e2c9945a250033e5bf3cf939bc9544599695eaf41b152f0a6b842b3 | // RUN: %testDafnyForEachResolver "%s"
class {:autocontracts} ExtensibleArray<T> {
ghost var Contents: seq<T>
var elements: array?<T>
var more: ExtensibleArray?<array?<T>>
var length: int
var M: int // shorthand for: if more == null then 0 else 256 * |more.Contents|
ghost predicate Valid()
... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/FindZero.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 2,528 | c5e87a3d4bbef023fd296c9d56a44e0b86c19a7ca479830d23d1fc140a17fbe7 | // RUN: %testDafnyForEachResolver "%s" -- --allow-deprecation
method FindZero(a: array<int>) returns (r: int)
requires forall i :: 0 <= i < a.Length ==> 0 <= a[i];
requires forall i :: 0 <= i && i+1 < a.Length ==> a[i]-1 <= a[i+1];
ensures 0 <= r ==> r < a.Length && a[r] == 0;
ensures r < 0 ==> forall ... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/Induction.legacy.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 7,465 | aa0259a87e3ee0f3d22ecc861b3481e585f0818f2752562e0134db661b206d72 | // RUN: %exits-with 4 %dafny /compile:0 /deprecation:0 /dprint:"%t.dprint" "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
class IntegerInduction {
// This class considers different ways of proving, for any natural n:
// (SUM i in [0, n] :: i^3) == (SUM i in [0, n] :: i)^2
// In terms of Dafny functions, th... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/InductionOptions.legacy.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,277 | 75ecacadd00f09fbc7d7a07226a21bf7e0b3a6145768687d1100d74a7263c6db | // RUN: %exits-with 4 %dafny /compile:0 /induction:0 "%s" > "%t"
// RUN: %exits-with 4 %baredafny verify %args --manual-lemma-induction "%s" >> "%t"
// RUN: %exits-with 4 %dafny /compile:0 /induction:2 "%s" >> "%t"
// RUN: %dafny /compile:0 /induction:3 "%s" >> "%t"
// RUN: %exits-with 4 %dafny /compile:0 /inductio... |
dafny-lang/dafny | Source/IntegrationTests/TestFiles/LitTests/LitTest/dafny1/KatzManna.dfy | NOASSERTION | 3,473 | master | 368adac6150e6a3825fe2f605dca71353badc779 | 2026-07-21T22:46:38Z | 1,928 | 589d2ed5730a843d6e725cf62bc1c62e89dfc134dae969c91adea30bff3bbf73 | // RUN: %testDafnyForEachResolver "%s"
method NinetyOne(x: int, ghost proveFunctionalPostcondition: bool) returns (z: int)
ensures proveFunctionalPostcondition ==> z == if x > 101 then x-10 else 91
{
var y1 := x;
var y2 := 1;
while (true)
// the following two invariants are needed only to prove t... |
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