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b2fd76ab8d
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
// run
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//go:build !js && !wasip1 && gc
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Verify the impact of line directives on error positions and position formatting.
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package main
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import (
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"strings"
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)
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// Each of these tests is expected to fail (missing package clause)
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// at the position determined by the preceding line directive.
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var tests = []struct {
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src, pos string
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}{
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{"//line :10\n", ":10:"}, // no filename means no filename
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{"//line :10:4\n", "filename:10:4"}, // no filename means use existing filename
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{"//line foo.go:10\n", "foo.go:10:"}, // no column means don't print a column
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{"//line foo.go:10:4\n", "foo.go:10:4:"}, // column means print a column
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{"//line foo.go:10:4\n\n", "foo.go:11:1:"}, // relative columns start at 1 after newline
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{"/*line :10*/", ":10:"},
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{"/*line :10:4*/", "filename:10:4"},
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{"/*line foo.go:10*/", "foo.go:10:"},
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{"/*line foo.go:10:4*/", "foo.go:10:4:"},
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{"/*line foo.go:10:4*/\n", "foo.go:11:1:"},
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}
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func main() {
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f, err := ioutil.TempFile("", "issue22662b.go")
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if err != nil {
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log.Fatal(err)
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}
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f.Close()
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defer os.Remove(f.Name())
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for _, test := range tests {
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if err := ioutil.WriteFile(f.Name(), []byte(test.src), 0660); err != nil {
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log.Fatal(err)
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}
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out, err := exec.Command("go", "tool", "compile", "-p=p", f.Name()).CombinedOutput()
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if err == nil {
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log.Fatalf("expected compiling\n---\n%s\n---\nto fail", test.src)
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}
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errmsg := strings.Replace(string(out), f.Name(), "filename", -1) // use "filename" instead of actual (long) filename
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if !strings.HasPrefix(errmsg, test.pos) {
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log.Fatalf("%q: got %q; want position %q", test.src, errmsg, test.pos)
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}
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}
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}
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