moz-skia/tests/OSPathTest.cpp

89 строки
3.2 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkString.h"
#include "SkOSFile.h"
#include "Test.h"
/**
* Test SkPathJoin and SkBasename.
* Will use SkPathJoin to append filename to dir, test that it works correctly,
* and tests using SkBasename on the result.
* @param reporter Reporter for test conditions.
* @param dir String representing the path to a folder. May or may not
* end with SkPATH_SEPARATOR.
* @param filename String representing the basename of a file. Must NOT
* contain SkPATH_SEPARATOR.
*/
static void test_dir_with_file(skiatest::Reporter* reporter, SkString dir,
SkString filename) {
// If filename contains SkPATH_SEPARATOR, the tests will fail.
SkASSERT(!filename.contains(SkPATH_SEPARATOR));
// Tests for SkOSPath::SkPathJoin and SkOSPath::SkBasename
// fullName should be "dir<SkPATH_SEPARATOR>file"
SkString fullName = SkOSPath::SkPathJoin(dir.c_str(), filename.c_str());
// fullName should be the combined size of dir and file, plus one if
// dir did not include the final path separator.
size_t expectedSize = dir.size() + filename.size();
if (!dir.endsWith(SkPATH_SEPARATOR)) {
expectedSize++;
}
REPORTER_ASSERT(reporter, fullName.size() == expectedSize);
SkString basename = SkOSPath::SkBasename(fullName.c_str());
// basename should be the same as filename
REPORTER_ASSERT(reporter, basename.equals(filename));
// basename will not contain a path separator
REPORTER_ASSERT(reporter, !basename.contains(SkPATH_SEPARATOR));
// Now take the basename of filename, which should be the same as filename.
basename = SkOSPath::SkBasename(filename.c_str());
REPORTER_ASSERT(reporter, basename.equals(filename));
}
static void test_os_path_utils_tests(skiatest::Reporter* reporter) {
SkString dir("dir");
SkString filename("file");
test_dir_with_file(reporter, dir, filename);
// Now make sure this works with a path separator at the end of dir.
dir.appendUnichar(SkPATH_SEPARATOR);
test_dir_with_file(reporter, dir, filename);
// Test using no filename.
test_dir_with_file(reporter, dir, SkString());
// Testing using no directory.
test_dir_with_file(reporter, SkString(), filename);
// Test with a sub directory.
dir.append("subDir");
test_dir_with_file(reporter, dir, filename);
// Basename of a directory with a path separator at the end is empty.
dir.appendUnichar(SkPATH_SEPARATOR);
SkString baseOfDir = SkOSPath::SkBasename(dir.c_str());
REPORTER_ASSERT(reporter, baseOfDir.size() == 0);
// Basename of NULL is an empty string.
SkString empty = SkOSPath::SkBasename(NULL);
REPORTER_ASSERT(reporter, empty.size() == 0);
// Test that NULL can be used for the directory and filename.
SkString emptyPath = SkOSPath::SkPathJoin(NULL, NULL);
REPORTER_ASSERT(reporter, emptyPath.size() == 1);
REPORTER_ASSERT(reporter, emptyPath.contains(SkPATH_SEPARATOR));
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("OSPath", OSPathTestClass, test_os_path_utils_tests)