| // Copyright 2011 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package time | |
| func init() { | |
| // Force US/Pacific for time zone tests. | |
| ForceUSPacificForTesting() | |
| } | |
| func initTestingZone() { | |
| // For hermeticity, use only tzinfo source from the test's GOROOT, | |
| // not the system sources and not whatever GOROOT may happen to be | |
| // set in the process's environment (if any). | |
| // This test runs in GOROOT/src/time, so GOROOT is "../..", | |
| // but it is theoretically possible | |
| sources := []string{"../../lib/time/zoneinfo.zip"} | |
| z, err := loadLocation("America/Los_Angeles", sources) | |
| if err != nil { | |
| panic("cannot load America/Los_Angeles for testing: " + err.Error() + "; you may want to use -tags=timetzdata") | |
| } | |
| z.name = "Local" | |
| localLoc = *z | |
| } | |
| var origPlatformZoneSources []string = platformZoneSources | |
| func disablePlatformSources() (undo func()) { | |
| platformZoneSources = nil | |
| return func() { | |
| platformZoneSources = origPlatformZoneSources | |
| } | |
| } | |
| var Interrupt = interrupt | |
| var DaysIn = daysIn | |
| func empty(arg any, seq uintptr, delta int64) {} | |
| // Test that a runtimeTimer with a period that would overflow when on | |
| // expiration does not throw or cause other timers to hang. | |
| // | |
| // This test has to be in internal_test.go since it fiddles with | |
| // unexported data structures. | |
| func CheckRuntimeTimerPeriodOverflow() { | |
| // We manually create a runtimeTimer with huge period, but that expires | |
| // immediately. The public Timer interface would require waiting for | |
| // the entire period before the first update. | |
| t := newTimer(runtimeNano(), 1<<63-1, empty, nil, nil) | |
| defer t.Stop() | |
| // If this test fails, we will either throw (when siftdownTimer detects | |
| // bad when on update), or other timers will hang (if the timer in a | |
| // heap is in a bad state). There is no reliable way to test this, but | |
| // we wait on a short timer here as a smoke test (alternatively, timers | |
| // in later tests may hang). | |
| <-After(25 * Millisecond) | |
| } | |
| var ( | |
| MinMonoTime = Time{wall: 1 << 63, ext: -1 << 63, loc: UTC} | |
| MaxMonoTime = Time{wall: 1 << 63, ext: 1<<63 - 1, loc: UTC} | |
| NotMonoNegativeTime = Time{wall: 0, ext: -1<<63 + 50} | |
| ) | |