line_test.go

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package objabi
     6  
     7  import (
     8  	"path/filepath"
     9  	"runtime"
    10  	"testing"
    11  )
    12  
    13  // On Windows, "/foo" is reported as a relative path
    14  // (it is relative to the current drive letter),
    15  // so we need add a drive letter to test absolute path cases.
    16  func drive() string {
    17  	if runtime.GOOS == "windows" {
    18  		return "c:"
    19  	}
    20  	return ""
    21  }
    22  
    23  var absFileTests = []struct {
    24  	dir      string
    25  	file     string
    26  	rewrites string
    27  	abs      string
    28  }{
    29  	{"/d", "f", "", "/d/f"},
    30  	{"/d", drive() + "/f", "", drive() + "/f"},
    31  	{"/d", "f/g", "", "/d/f/g"},
    32  	{"/d", drive() + "/f/g", "", drive() + "/f/g"},
    33  
    34  	{"/d", "f", "/d/f", "??"},
    35  	{"/d", "f/g", "/d/f", "g"},
    36  	{"/d", "f/g", "/d/f=>h", "h/g"},
    37  	{"/d", "f/g", "/d/f=>/h", "/h/g"},
    38  	{"/d", "f/g", "/d/f=>/h;/d/e=>/i", "/h/g"},
    39  	{"/d", "e/f", "/d/f=>/h;/d/e=>/i", "/i/f"},
    40  }
    41  
    42  func TestAbsFile(t *testing.T) {
    43  	for _, tt := range absFileTests {
    44  		abs := filepath.FromSlash(AbsFile(filepath.FromSlash(tt.dir), filepath.FromSlash(tt.file), tt.rewrites))
    45  		want := filepath.FromSlash(tt.abs)
    46  		if abs != want {
    47  			t.Errorf("AbsFile(%q, %q, %q) = %q, want %q", tt.dir, tt.file, tt.rewrites, abs, want)
    48  		}
    49  	}
    50  }
    51
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