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test/fixedbugs/issue18149.go
42 строки
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Robert Griesemer
test/fixedbugs: minor adjustments to line-directive specific tests
21 май 2026, 03:58
21 май 2026, 03:58
5a1c0ee
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// run // Copyright 2016 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. // Verify that //line directives with filenames // containing ':' (Windows) are correctly parsed. // (For a related issue, see test/fixedbugs/bug305.go) package main import ( "fmt" "runtime" "strings" ) // Since go.dev/issue/70478, the compiler resolves a relative filename in a // line directive against the directory of the source file, so the expected // path may be a suffix of the actual filename rather than equal to it. // Accept either an exact match or the file as a path-component suffix. // Compiler-emitted paths are always slash-normalized (cmd/internal/objabi.AbsFile). func check(file string, line int) { _, f, l, ok := runtime.Caller(1) if !ok { panic("runtime.Caller(1) failed") } // Prepend exactly one "/" even if file already starts with one, so that // e.g. file="/foo/bar.go" looks for "/foo/bar.go" as the suffix, not "//". want := "/" + strings.TrimPrefix(file, "/") if (f != file && !strings.HasSuffix(f, want)) || l != line { panic(fmt.Sprintf("got %s:%d; want %s:%d (or suffix %s)", f, l, file, line, want)) } } func main() { //line /foo/bar.go:123 check("/foo/bar.go", 123) //line c:/foo/bar.go:987 check("c:/foo/bar.go", 987) }