1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkOSPath.h" 9 #include "SkString.h" 10 #include "Test.h" 11 12 /** 13 * Test SkOSPath::Join, SkOSPath::Basename, and SkOSPath::Dirname. 14 * Will use SkOSPath::Join to append filename to dir, test that it works correctly, 15 * and tests using SkOSPath::Basename on the result. 16 * @param reporter Reporter for test conditions. 17 * @param dir String representing the path to a folder. May or may not 18 * end with SkOSPath::SEPARATOR. 19 * @param filename String representing the basename of a file. Must NOT 20 * contain SkOSPath::SEPARATOR. 21 */ 22 static void test_dir_with_file(skiatest::Reporter* reporter, SkString dir, 23 SkString filename) { 24 // If filename contains SkOSPath::SEPARATOR, the tests will fail. 25 SkASSERT(!filename.contains(SkOSPath::SEPARATOR)); 26 27 // Tests for SkOSPath::Join and SkOSPath::Basename 28 29 // fullName should be "dir<SkOSPath::SEPARATOR>file" 30 SkString fullName = SkOSPath::Join(dir.c_str(), filename.c_str()); 31 32 // fullName should be the combined size of dir and file, plus one if 33 // dir did not include the final path separator. 34 size_t expectedSize = dir.size() + filename.size(); 35 if (!dir.endsWith(SkOSPath::SEPARATOR) && !dir.isEmpty()) { 36 expectedSize++; 37 } 38 REPORTER_ASSERT(reporter, fullName.size() == expectedSize); 39 40 SkString basename = SkOSPath::Basename(fullName.c_str()); 41 SkString dirname = SkOSPath::Dirname(fullName.c_str()); 42 43 // basename should be the same as filename 44 REPORTER_ASSERT(reporter, basename.equals(filename)); 45 46 // dirname should be the same as dir with any trailing seperators removed. 47 // Except when the the string is just "/". 48 SkString strippedDir = dir; 49 while (strippedDir.size() > 2 && strippedDir[strippedDir.size() - 1] == SkOSPath::SEPARATOR) { 50 strippedDir.remove(strippedDir.size() - 1, 1); 51 } 52 if (!dirname.equals(strippedDir)) { 53 SkDebugf("OOUCH %s %s %s\n", dir.c_str(), strippedDir.c_str(), dirname.c_str()); 54 } 55 REPORTER_ASSERT(reporter, dirname.equals(strippedDir)); 56 57 // basename will not contain a path separator 58 REPORTER_ASSERT(reporter, !basename.contains(SkOSPath::SEPARATOR)); 59 60 // Now take the basename of filename, which should be the same as filename. 61 basename = SkOSPath::Basename(filename.c_str()); 62 REPORTER_ASSERT(reporter, basename.equals(filename)); 63 } 64 65 DEF_TEST(OSPath, reporter) { 66 SkString dir("dir"); 67 SkString filename("file"); 68 test_dir_with_file(reporter, dir, filename); 69 70 // Now make sure this works with a path separator at the end of dir. 71 dir.appendUnichar(SkOSPath::SEPARATOR); 72 test_dir_with_file(reporter, dir, filename); 73 74 // Test using no filename. 75 test_dir_with_file(reporter, dir, SkString()); 76 77 // Testing using no directory. 78 test_dir_with_file(reporter, SkString(), filename); 79 80 // Test with a sub directory. 81 dir.append("subDir"); 82 test_dir_with_file(reporter, dir, filename); 83 84 // Basename of a directory with a path separator at the end is empty. 85 dir.appendUnichar(SkOSPath::SEPARATOR); 86 SkString baseOfDir = SkOSPath::Basename(dir.c_str()); 87 REPORTER_ASSERT(reporter, baseOfDir.size() == 0); 88 89 // Basename of nullptr is an empty string. 90 SkString empty = SkOSPath::Basename(nullptr); 91 REPORTER_ASSERT(reporter, empty.size() == 0); 92 93 // File in root dir 94 dir.printf("%c", SkOSPath::SEPARATOR); 95 filename.set("file"); 96 test_dir_with_file(reporter, dir, filename); 97 98 // Just the root dir 99 filename.reset(); 100 test_dir_with_file(reporter, dir, filename); 101 102 // Test that nullptr can be used for the directory and filename. 103 SkString emptyPath = SkOSPath::Join(nullptr, nullptr); 104 REPORTER_ASSERT(reporter, emptyPath.isEmpty()); 105 } 106
