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Licensing: see LICENSE in the repository root. }
{ Test Suite: Comprehensive conformance tests for NraayTensor reference implementation.
Tests core operations, governance properties, and state machine transitions.
}
unit tests;
{$MODE FPC}
interface
uses
descriptor, buffer, tensor_array, ownership, governance, materialize, tensor, validation;
type
{ Test statistics }
TTestStats = record
total_tests: integer;
passed: integer;
failed: integer;
end;
{ Run all conformance tests }
function RunAllTests: TTestStats;
{ Test: Tensor allocation }
function TestAllocation: boolean;
{ Test: Element get/set }
function TestElementAccess: boolean;
{ Test: Clone creates shared reference }
function TestClone: boolean;
{ Test: Slicing creates non-contiguous view }
function TestSlicing: boolean;
{ Test: Transpose permutes axes }
function TestTranspose: boolean;
{ Test: Materialization restores contiguity }
function TestMaterialization: boolean;
{ Test: Generation tracking }
function TestGenerationTracking: boolean;
{ Test: Governance lemmas }
function TestGovernanceLemmas: boolean;
{ Test: Buffer reference counting }
function TestRefCounting: boolean;
{ Test: Composite workflow }
function TestCompositeWorkflow: boolean;
implementation
var
test_stats: TTestStats;
function TestAllocation: boolean;
var
t: TNraayTensor;
shape: array [0..1] of uint32;
begin
shape[0] := 3;
shape[1] := 4;
t := CreateTensor(shape);
result := IsValid(t);
if result then
begin
result := (Length(t) = 12) and (Rank(t) = 2);
end;
DestroyTensor(t);
end;
function TestElementAccess: boolean;
var
t: TNraayTensor;
shape: array [0..1] of uint32;
coord: array [0..1] of uint32;
begin
shape[0] := 2;
shape[1] := 3;
t := CreateTensor(shape);
coord[0] := 1;
coord[1] := 2;
SetElement(t, coord, 42.0);
result := (GetElement(t, coord) = 42.0);
DestroyTensor(t);
end;
function TestClone: boolean;
var
t1, t2: TNraayTensor;
shape: array [0..1] of uint32;
begin
shape[0] := 2;
shape[1] := 2;
t1 := CreateTensor(shape);
t2 := CloneTensor(t1);
{ Both should share same buffer }
result := (GetDataPtr(t1.data) = GetDataPtr(t2.data));
{ Refcount should be 2 }
if result then
result := (GetRefCount(t2.data) = 2);
DestroyTensor(t1);
DestroyTensor(t2);
end;
function TestSlicing: boolean;
var
t: TNraayTensor;
sliced: TNraayTensor;
shape: array [0..1] of uint32;
ranges: array [0..1] of array of uint32;
begin
shape[0] := 5;
shape[1] := 5;
t := CreateTensor(shape);
{ Create dummy ranges for slicing }
setlength(ranges[0], 3);
setlength(ranges[1], 3);
ranges[0][0] := 1;
ranges[0][1] := 4;
ranges[0][2] := 1;
ranges[1][0] := 1;
ranges[1][1] := 4;
ranges[1][2] := 1;
sliced := Slice(t, ranges);
{ Sliced should not be contiguous }
result := (sliced.descriptor.is_contiguous = 0);
{ Should be in SHARED state }
if result then
result := (sliced.descriptor.owns_storage = 0);
DestroyTensor(t);
DestroyTensor(sliced);
end;
function TestTranspose: boolean;
var
t: TNraayTensor;
transposed: TNraayTensor;
shape: array [0..1] of uint32;
perm: array [0..1] of uint32;
begin
shape[0] := 3;
shape[1] := 4;
t := CreateTensor(shape);
perm[0] := 1;
perm[1] := 0;
transposed := Transpose(t, perm);
{ Shape should be swapped }
result := (transposed.descriptor.shape_ptr^[0] = 4) and
(transposed.descriptor.shape_ptr^[1] = 3);
DestroyTensor(t);
DestroyTensor(transposed);
end;
function TestMaterialization: boolean;
var
t: TNraayTensor;
shape: array [0..1] of uint32;
begin
shape[0] := 2;
shape[1] := 2;
t := CreateTensor(shape);
{ Should already be materialized }
result := (t.descriptor.is_contiguous = 1) and
(t.descriptor.owns_storage = 1);
Materialize(t);
result := result and
(t.descriptor.is_contiguous = 1) and
(t.descriptor.owns_storage = 1) and
(t.descriptor.offset = 0);
DestroyTensor(t);
end;
function TestGenerationTracking: boolean;
var
t: TNraayTensor;
shape: array [0..0] of uint32;
gen1, gen2: uint32;
begin
shape[0] := 5;
t := CreateTensor(shape);
gen1 := t.descriptor.generation;
result := (gen1 >= 0);
DestroyTensor(t);
end;
function TestGovernanceLemmas: boolean;
var
t: TNraayTensor;
shape: array [0..1] of uint32;
begin
shape[0] := 2;
shape[1] := 3;
t := CreateTensor(shape);
{ All lemmas should verify }
result := VerifyGovernanceLemmas(t, t.data.buffer);
DestroyTensor(t);
end;
function TestRefCounting: boolean;
var
t1, t2, t3: TNraayTensor;
shape: array [0..0] of uint32;
count: uint32;
begin
shape[0] := 10;
t1 := CreateTensor(shape);
count := GetRefCount(t1.data);
result := (count = 1);
t2 := CloneTensor(t1);
count := GetRefCount(t2.data);
result := result and (count = 2);
t3 := CloneTensor(t2);
count := GetRefCount(t3.data);
result := result and (count = 3);
DestroyTensor(t1);
DestroyTensor(t2);
DestroyTensor(t3);
end;
function TestCompositeWorkflow: boolean;
var
t1, t2, sliced, materialized: TNraayTensor;
shape: array [0..1] of uint32;
ranges: array [0..1] of array of uint32;
coord: array [0..1] of uint32;
begin
shape[0] := 4;
shape[1] := 4;
t1 := CreateTensor(shape);
result := IsValid(t1);
{ Set a value }
coord[0] := 2;
coord[1] := 2;
SetElement(t1, coord, 3.14);
result := result and (GetElement(t1, coord) = 3.14);
{ Clone }
t2 := CloneTensor(t1);
result := result and (GetRefCount(t2.data) = 2);
{ Materialize }
Materialize(t2);
result := result and (t2.descriptor.is_contiguous = 1);
DestroyTensor(t1);
DestroyTensor(t2);
end;
function RunAllTests: TTestStats;
begin
with result do
begin
total_tests := 0;
passed := 0;
failed := 0;
end;
{ Test allocation }
inc(result.total_tests);
if TestAllocation then
inc(result.passed)
else
inc(result.failed);
{ Test element access }
inc(result.total_tests);
if TestElementAccess then
inc(result.passed)
else
inc(result.failed);
{ Test cloning }
inc(result.total_tests);
if TestClone then
inc(result.passed)
else
inc(result.failed);
{ Test slicing }
inc(result.total_tests);
if TestSlicing then
inc(result.passed)
else
inc(result.failed);
{ Test transpose }
inc(result.total_tests);
if TestTranspose then
inc(result.passed)
else
inc(result.failed);
{ Test materialization }
inc(result.total_tests);
if TestMaterialization then
inc(result.passed)
else
inc(result.failed);
{ Test generation tracking }
inc(result.total_tests);
if TestGenerationTracking then
inc(result.passed)
else
inc(result.failed);
{ Test governance lemmas }
inc(result.total_tests);
if TestGovernanceLemmas then
inc(result.passed)
else
inc(result.failed);
{ Test reference counting }
inc(result.total_tests);
if TestRefCounting then
inc(result.passed)
else
inc(result.failed);
{ Test composite workflow }
inc(result.total_tests);
if TestCompositeWorkflow then
inc(result.passed)
else
inc(result.failed);
end;
end.
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