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cmd/compile: simplified test case (cleanup)

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Follow-up on https://golang.org/cl/124595; no semantic changes.

Updates #26411.

Change-Id: Ic1c4622dbf79529ff61530f9c25ec742c2abe5ca
Reviewed-on: https://go-review.googlesource.com/c/142720
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Robert Griesemer 2018-10-16 15:53:38 -07:00 committed by Emmanuel Odeke
parent 0b63086f64
commit e861c3e003
1 changed files with 14 additions and 16 deletions
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30
test/fixedbugs/issue26411.go
View file

@ -29,9 +29,9 @@ func main() {
}
defer os.RemoveAll(tmpdir)
samples := []struct {
code string
wantOutput []string
tests := []struct {
code string
errors []string
}{
{
code: `
@ -42,7 +42,7 @@ foo:
foo:
}
`,
wantOutput: []string{
errors: []string{
"^.+:5:1: label foo defined and not used\n",
".+:6:1: label foo already defined at .+:5:1\n$",
},
@ -60,7 +60,7 @@ bar :
}
`,
wantOutput: []string{
errors: []string{
"^.+:6:13: label bar defined and not used\n",
".+:7:4: label bar already defined at .+:6:13\n",
".+:8:1: label bar already defined at .+:6:13\n",
@ -69,26 +69,24 @@ bar :
},
}
for i, sample := range samples {
for i, test := range tests {
filename := filepath.Join(tmpdir, fmt.Sprintf("%d.go", i))
if err := ioutil.WriteFile(filename, []byte(sample.code), 0644); err != nil {
if err := ioutil.WriteFile(filename, []byte(test.code), 0644); err != nil {
log.Printf("#%d: failed to create file %s", i, filename)
continue
}
output, _ := exec.Command("go", "tool", "compile", filename).CombinedOutput()
// Now match the output
for _, regex := range sample.wantOutput {
reg := regexp.MustCompile(regex)
matches := reg.FindAll(output, -1)
for _, match := range matches {
index := bytes.Index(output, match)
output = bytes.Join([][]byte{output[:index], output[index+len(match):]}, []byte(""))
}
// remove each matching error from the output
for _, err := range test.errors {
rx := regexp.MustCompile(err)
match := rx.Find(output)
output = bytes.Replace(output, match, nil, 1) // remove match (which might be nil) from output
}
// at this point all output should have been consumed
if len(output) != 0 {
log.Printf("#%d: did not match all the output\nResidual output:\n\t%s", i, output)
log.Printf("Test case %d has unmatched errors:\n%s", i, output)
}
}
}