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Unified Diff: base/platform_file_unittest.cc

Issue 15861011: Add an "append flag" to base::PlatformFile. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Indentation style, missing semicolon Created 7 years, 6 months ago
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Index: base/platform_file_unittest.cc
diff --git a/base/platform_file_unittest.cc b/base/platform_file_unittest.cc
index 748387610f0436ca3ee90147e81dd3cc2482e114..a5f3d88d19db60bd3c3748ccb7da5cdc92337cc8 100644
--- a/base/platform_file_unittest.cc
+++ b/base/platform_file_unittest.cc
@@ -35,8 +35,10 @@ TEST(PlatformFile, CreatePlatformFile) {
// Open a file that doesn't exist.
base::PlatformFileError error_code = base::PLATFORM_FILE_OK;
base::PlatformFile file = base::CreatePlatformFile(
- file_path, base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
- NULL, &error_code);
+ file_path,
+ base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
+ NULL,
+ &error_code);
EXPECT_EQ(base::kInvalidPlatformFileValue, file);
EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND, error_code);
@@ -44,8 +46,10 @@ TEST(PlatformFile, CreatePlatformFile) {
bool created = false;
error_code = base::PLATFORM_FILE_OK;
file = base::CreatePlatformFile(
- file_path, base::PLATFORM_FILE_OPEN_ALWAYS | base::PLATFORM_FILE_READ,
- &created, &error_code);
+ file_path,
+ base::PLATFORM_FILE_OPEN_ALWAYS | base::PLATFORM_FILE_READ,
+ &created,
+ &error_code);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
EXPECT_TRUE(created);
EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
@@ -54,8 +58,10 @@ TEST(PlatformFile, CreatePlatformFile) {
// Open an existing file.
created = false;
file = base::CreatePlatformFile(
- file_path, base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
- &created, &error_code);
+ file_path,
+ base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
+ &created,
+ &error_code);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
EXPECT_FALSE(created);
EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
@@ -63,8 +69,10 @@ TEST(PlatformFile, CreatePlatformFile) {
// Create a file that exists.
file = base::CreatePlatformFile(
- file_path, base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ,
- &created, &error_code);
+ file_path,
+ base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ,
+ &created,
+ &error_code);
EXPECT_EQ(base::kInvalidPlatformFileValue, file);
EXPECT_FALSE(created);
EXPECT_EQ(base::PLATFORM_FILE_ERROR_EXISTS, error_code);
@@ -72,8 +80,10 @@ TEST(PlatformFile, CreatePlatformFile) {
// Create or overwrite a file.
error_code = base::PLATFORM_FILE_OK;
file = base::CreatePlatformFile(
- file_path, base::PLATFORM_FILE_CREATE_ALWAYS | base::PLATFORM_FILE_READ,
- &created, &error_code);
+ file_path,
+ base::PLATFORM_FILE_CREATE_ALWAYS | base::PLATFORM_FILE_READ,
+ &created,
+ &error_code);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
EXPECT_TRUE(created);
EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
@@ -84,9 +94,8 @@ TEST(PlatformFile, CreatePlatformFile) {
file_path = temp_dir.path().AppendASCII("create_file_2");
file = base::CreatePlatformFile(
file_path,
- base::PLATFORM_FILE_OPEN_ALWAYS |
- base::PLATFORM_FILE_DELETE_ON_CLOSE |
- base::PLATFORM_FILE_READ,
+ base::PLATFORM_FILE_OPEN_ALWAYS | base::PLATFORM_FILE_DELETE_ON_CLOSE |
+ base::PLATFORM_FILE_READ,
&created, &error_code);
jar (doing other things) 2013/06/06 15:46:45 nit: separate lines
EXPECT_NE(base::kInvalidPlatformFileValue, file);
EXPECT_TRUE(created);
@@ -106,10 +115,10 @@ TEST(PlatformFile, DeleteOpenFile) {
base::PlatformFileError error_code = base::PLATFORM_FILE_OK;
base::PlatformFile file = base::CreatePlatformFile(
file_path,
- base::PLATFORM_FILE_OPEN_ALWAYS |
- base::PLATFORM_FILE_READ |
- base::PLATFORM_FILE_SHARE_DELETE,
- &created, &error_code);
+ base::PLATFORM_FILE_OPEN_ALWAYS | base::PLATFORM_FILE_READ |
+ base::PLATFORM_FILE_SHARE_DELETE,
+ &created,
+ &error_code);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
EXPECT_TRUE(created);
EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
@@ -118,10 +127,10 @@ TEST(PlatformFile, DeleteOpenFile) {
created = false;
base::PlatformFile same_file = base::CreatePlatformFile(
file_path,
- base::PLATFORM_FILE_OPEN |
- base::PLATFORM_FILE_DELETE_ON_CLOSE |
- base::PLATFORM_FILE_READ,
- &created, &error_code);
+ base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_DELETE_ON_CLOSE |
+ base::PLATFORM_FILE_READ,
+ &created,
+ &error_code);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
EXPECT_FALSE(created);
EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
@@ -138,10 +147,10 @@ TEST(PlatformFile, ReadWritePlatformFile) {
FilePath file_path = temp_dir.path().AppendASCII("read_write_file");
base::PlatformFile file = base::CreatePlatformFile(
file_path,
- base::PLATFORM_FILE_CREATE |
- base::PLATFORM_FILE_READ |
- base::PLATFORM_FILE_WRITE,
- NULL, NULL);
+ base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ |
+ base::PLATFORM_FILE_WRITE,
+ NULL,
+ NULL);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
char data_to_write[] = "test";
@@ -211,16 +220,68 @@ TEST(PlatformFile, ReadWritePlatformFile) {
base::ClosePlatformFile(file);
}
+TEST(PlatformFile, AppendPlatformFile) {
+ base::ScopedTempDir temp_dir;
+ ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+ FilePath file_path = temp_dir.path().AppendASCII("append_file");
+ base::PlatformFile file = base::CreatePlatformFile(
+ file_path,
+ base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_APPEND,
+ NULL,
+ NULL);
+ EXPECT_NE(base::kInvalidPlatformFileValue, file);
+
+ char data_to_write[] = "test";
+ const int kTestDataSize = 4;
+
+ // Write 0 bytes to the file.
+ int bytes_written = WriteFully(file, 0, data_to_write, 0);
+ EXPECT_EQ(0, bytes_written);
+
+ // Write "test" to the file.
+ bytes_written = WriteFully(file, 0, data_to_write, kTestDataSize);
+ EXPECT_EQ(kTestDataSize, bytes_written);
+
+ base::ClosePlatformFile(file);
+ file = base::CreatePlatformFile(
+ file_path,
+ base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ |
+ base::PLATFORM_FILE_APPEND,
+ NULL,
+ NULL);
+ EXPECT_NE(base::kInvalidPlatformFileValue, file);
+ if (file == base::kInvalidPlatformFileValue) {
+ printf("errno: %d\n", errno);
+ }
+
+ char append_data_to_write[] = "78";
+ const int kAppendDataSize = 2;
+
+ // Append "test" to the file.
+ bytes_written = WriteFully(file, 0, append_data_to_write, kAppendDataSize);
+ EXPECT_EQ(2, bytes_written);
+
+ // Read the entire file.
+ char data_read_1[32];
+ int bytes_read = ReadFully(file, 0, data_read_1,
+ kTestDataSize + kAppendDataSize);
+ EXPECT_EQ(6, bytes_read);
+
+ // Close the file handle to allow the temp directory to be deleted.
+ base::ClosePlatformFile(file);
+}
+
+
TEST(PlatformFile, TruncatePlatformFile) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
FilePath file_path = temp_dir.path().AppendASCII("truncate_file");
base::PlatformFile file = base::CreatePlatformFile(
file_path,
- base::PLATFORM_FILE_CREATE |
- base::PLATFORM_FILE_READ |
- base::PLATFORM_FILE_WRITE,
- NULL, NULL);
+ base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ |
+ base::PLATFORM_FILE_WRITE,
+ NULL,
+ NULL);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
// Write "test" to the file.
@@ -271,10 +332,10 @@ TEST(PlatformFile, DISABLED_TouchGetInfoPlatformFile) {
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
base::PlatformFile file = base::CreatePlatformFile(
temp_dir.path().AppendASCII("touch_get_info_file"),
- base::PLATFORM_FILE_CREATE |
- base::PLATFORM_FILE_WRITE |
- base::PLATFORM_FILE_WRITE_ATTRIBUTES,
- NULL, NULL);
+ base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE |
+ base::PLATFORM_FILE_WRITE_ATTRIBUTES,
+ NULL,
+ NULL);
EXPECT_NE(base::kInvalidPlatformFileValue, file);
// Get info for a newly created file.
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