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 "Test.h" 9 #include "TestClassDef.h" 10 #include "SkString.h" 11 #include "SkOSFile.h" 12 13 /** 14 * Test SkPathJoin and SkBasename. 15 * Will use SkPathJoin to append filename to dir, test that it works correctly, 16 * and tests using SkBasename on the result. 17 * @param reporter Reporter for test conditions. 18 * @param dir String representing the path to a folder. May or may not 19 * end with SkPATH_SEPARATOR. 20 * @param filename String representing the basename of a file. Must NOT 21 * contain SkPATH_SEPARATOR. 22 */ 23 static void test_dir_with_file(skiatest::Reporter* reporter, SkString dir, 24 SkString filename) { 25 // If filename contains SkPATH_SEPARATOR, the tests will fail. 26 SkASSERT(!filename.contains(SkPATH_SEPARATOR)); 27 28 // Tests for SkOSPath::SkPathJoin and SkOSPath::SkBasename 29 30 // fullName should be "dir<SkPATH_SEPARATOR>file" 31 SkString fullName = SkOSPath::SkPathJoin(dir.c_str(), filename.c_str()); 32 33 // fullName should be the combined size of dir and file, plus one if 34 // dir did not include the final path separator. 35 size_t expectedSize = dir.size() + filename.size(); 36 if (!dir.endsWith(SkPATH_SEPARATOR)) { 37 expectedSize++; 38 } 39 REPORTER_ASSERT(reporter, fullName.size() == expectedSize); 40 41 SkString basename = SkOSPath::SkBasename(fullName.c_str()); 42 43 // basename should be the same as filename 44 REPORTER_ASSERT(reporter, basename.equals(filename)); 45 46 // basename will not contain a path separator 47 REPORTER_ASSERT(reporter, !basename.contains(SkPATH_SEPARATOR)); 48 49 // Now take the basename of filename, which should be the same as filename. 50 basename = SkOSPath::SkBasename(filename.c_str()); 51 REPORTER_ASSERT(reporter, basename.equals(filename)); 52 } 53 54 DEF_TEST(OSPath, reporter) { 55 SkString dir("dir"); 56 SkString filename("file"); 57 test_dir_with_file(reporter, dir, filename); 58 59 // Now make sure this works with a path separator at the end of dir. 60 dir.appendUnichar(SkPATH_SEPARATOR); 61 test_dir_with_file(reporter, dir, filename); 62 63 // Test using no filename. 64 test_dir_with_file(reporter, dir, SkString()); 65 66 // Testing using no directory. 67 test_dir_with_file(reporter, SkString(), filename); 68 69 // Test with a sub directory. 70 dir.append("subDir"); 71 test_dir_with_file(reporter, dir, filename); 72 73 // Basename of a directory with a path separator at the end is empty. 74 dir.appendUnichar(SkPATH_SEPARATOR); 75 SkString baseOfDir = SkOSPath::SkBasename(dir.c_str()); 76 REPORTER_ASSERT(reporter, baseOfDir.size() == 0); 77 78 // Basename of NULL is an empty string. 79 SkString empty = SkOSPath::SkBasename(NULL); 80 REPORTER_ASSERT(reporter, empty.size() == 0); 81 82 // Test that NULL can be used for the directory and filename. 83 SkString emptyPath = SkOSPath::SkPathJoin(NULL, NULL); 84 REPORTER_ASSERT(reporter, emptyPath.size() == 1); 85 REPORTER_ASSERT(reporter, emptyPath.contains(SkPATH_SEPARATOR)); 86 } 87