tools/gn/source_dir_unittest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "tools/gn/source_dir.h"
   7 #include "tools/gn/source_file.h"
   8
   9 TEST(SourceDir, ResolveRelativeFile) {
  10   SourceDir base("//base/");
  11 #if defined(OS_WIN)
  12   base::StringPiece source_root("C:/source/root");
  13 #else
  14   base::StringPiece source_root("/source/root");
  15 #endif
  16
  17   // Empty input is an error.
  18   EXPECT_TRUE(base.ResolveRelativeFile("", source_root) == SourceFile());
  19
  20   // These things are directories, so should be an error.
  21   EXPECT_TRUE(base.ResolveRelativeFile("//foo/bar/", source_root) ==
  22               SourceFile());
  23   EXPECT_TRUE(base.ResolveRelativeFile("bar/", source_root) ==
  24               SourceFile());
  25
  26   // Absolute paths should be passed unchanged.
  27   EXPECT_TRUE(base.ResolveRelativeFile("//foo",source_root) ==
  28               SourceFile("//foo"));
  29   EXPECT_TRUE(base.ResolveRelativeFile("/foo", source_root) ==
  30               SourceFile("/foo"));
  31
  32   // Basic relative stuff.
  33   EXPECT_TRUE(base.ResolveRelativeFile("foo", source_root) ==
  34               SourceFile("//base/foo"));
  35   EXPECT_TRUE(base.ResolveRelativeFile("./foo", source_root) ==
  36               SourceFile("//base/foo"));
  37   EXPECT_TRUE(base.ResolveRelativeFile("../foo", source_root) ==
  38               SourceFile("//foo"));
  39
  40   // If the given relative path points outside the source root, we
  41   // expect an absolute path.
  42 #if defined(OS_WIN)
  43   EXPECT_TRUE(base.ResolveRelativeFile("../../foo", source_root) ==
  44               SourceFile("/C:/source/foo"));
  45 #else
  46   EXPECT_TRUE(base.ResolveRelativeFile("../../foo", source_root) ==
  47               SourceFile("/source/foo"));
  48 #endif
  49
  50 #if defined(OS_WIN)
  51   // Note that we don't canonicalize the backslashes to forward slashes.
  52   // This could potentially be changed in the future which would mean we should
  53   // just change the expected result.
  54   EXPECT_TRUE(base.ResolveRelativeFile("C:\\foo\\bar.txt", source_root) ==
  55               SourceFile("/C:/foo/bar.txt"));
  56 #endif
  57 }
  58
  59 TEST(SourceDir, ResolveRelativeDir) {
  60   SourceDir base("//base/");
  61 #if defined(OS_WIN)
  62   base::StringPiece source_root("C:/source/root");
  63 #else
  64   base::StringPiece source_root("/source/root");
  65 #endif
  66
  67   // Empty input is an error.
  68   EXPECT_TRUE(base.ResolveRelativeDir("", source_root) == SourceDir());
  69
  70   // Absolute paths should be passed unchanged.
  71   EXPECT_TRUE(base.ResolveRelativeDir("//foo", source_root) ==
  72               SourceDir("//foo/"));
  73   EXPECT_TRUE(base.ResolveRelativeDir("/foo", source_root) ==
  74               SourceDir("/foo/"));
  75
  76   // Basic relative stuff.
  77   EXPECT_TRUE(base.ResolveRelativeDir("foo", source_root) ==
  78               SourceDir("//base/foo/"));
  79   EXPECT_TRUE(base.ResolveRelativeDir("./foo", source_root) ==
  80               SourceDir("//base/foo/"));
  81   EXPECT_TRUE(base.ResolveRelativeDir("../foo", source_root) ==
  82               SourceDir("//foo/"));
  83
  84   // If the given relative path points outside the source root, we
  85   // expect an absolute path.
  86 #if defined(OS_WIN)
  87   EXPECT_TRUE(base.ResolveRelativeDir("../../foo", source_root) ==
  88               SourceDir("/C:/source/foo/"));
  89 #else
  90   EXPECT_TRUE(base.ResolveRelativeDir("../../foo", source_root) ==
  91               SourceDir("/source/foo/"));
  92 #endif
  93
  94 #if defined(OS_WIN)
  95   // Canonicalize the existing backslashes to forward slashes and add a
  96   // leading slash if necessary.
  97   EXPECT_TRUE(base.ResolveRelativeDir("\\C:\\foo") == SourceDir("/C:/foo/"));
  98   EXPECT_TRUE(base.ResolveRelativeDir("C:\\foo") == SourceDir("/C:/foo/"));
  99 #endif
 100 }