dd931d9b48
Reviewed-on: https://go-review.googlesource.com/136435 gotools/: * Makefile.am (mostlyclean-local): Run chmod on check-go-dir to make sure it is writable. (check-go-tools): Likewise. (check-vet): Copy internal/objabi to check-vet-dir. * Makefile.in: Rebuild. From-SVN: r264546
70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
// Copyright 2017 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 testing
|
|
|
|
import "sync"
|
|
|
|
// The line numbering of this file is important for TestTBHelper.
|
|
|
|
func notHelper(t *T, msg string) {
|
|
t.Error(msg)
|
|
}
|
|
|
|
func helper(t *T, msg string) {
|
|
t.Helper()
|
|
t.Error(msg)
|
|
}
|
|
|
|
func notHelperCallingHelper(t *T, msg string) {
|
|
helper(t, msg)
|
|
}
|
|
|
|
func helperCallingHelper(t *T, msg string) {
|
|
t.Helper()
|
|
helper(t, msg)
|
|
}
|
|
|
|
func testHelper(t *T) {
|
|
// Check combinations of directly and indirectly
|
|
// calling helper functions.
|
|
notHelper(t, "0")
|
|
helper(t, "1")
|
|
notHelperCallingHelper(t, "2")
|
|
helperCallingHelper(t, "3")
|
|
|
|
// Check a function literal closing over t that uses Helper.
|
|
fn := func(msg string) {
|
|
t.Helper()
|
|
t.Error(msg)
|
|
}
|
|
fn("4")
|
|
|
|
t.Run("sub", func(t *T) {
|
|
helper(t, "5")
|
|
notHelperCallingHelper(t, "6")
|
|
// Check that calling Helper from inside a subtest entry function
|
|
// works as if it were in an ordinary function call.
|
|
t.Helper()
|
|
t.Error("7")
|
|
})
|
|
|
|
// Check that calling Helper from inside a top-level test function
|
|
// has no effect.
|
|
t.Helper()
|
|
t.Error("8")
|
|
}
|
|
|
|
func parallelTestHelper(t *T) {
|
|
var wg sync.WaitGroup
|
|
for i := 0; i < 5; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
notHelperCallingHelper(t, "parallel")
|
|
wg.Done()
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
}
|