[libc-commits] [libc] Fix/reapply "[libc] Migrate stdio tests to ErrnoCheckingTest." (PR #143972)
Alexey Samsonov via libc-commits
libc-commits at lists.llvm.org
Thu Jun 12 13:57:11 PDT 2025
https://github.com/vonosmas created https://github.com/llvm/llvm-project/pull/143972
This reverts commit a93e55e57ed00a55f822c64e3520c7c732b58480 and fixes build and test failures:
* Proper include added to setvbuf_test.cpp
* fgetc/fgetc_unlocked/fgets tests are ported to ErrnoSetterMatcher and are made more precise. This fixes inconsistencies between expectations in regular and GPU builds - ErrnoSetterMatcher is configured to omit errno matching on GPUs, as fgetc implementation on GPU doesn't set errno, in contrast to Linux.
>From 56b785421cfd0e2fec0eef025d1089bc8b675f18 Mon Sep 17 00:00:00 2001
From: Alexey Samsonov <vonosmas at gmail.com>
Date: Thu, 12 Jun 2025 13:20:02 -0700
Subject: [PATCH] Fix/reapply "[libc] Migrate stdio tests to
ErrnoCheckingTest."
This reverts commit a93e55e57ed00a55f822c64e3520c7c732b58480 and fixes
build and test failures:
* Proper include added to setvbuf_test.cpp
* fgetc/fgetc_unlocked/fgets tests are ported to ErrnoSetterMatcher and
are made more precise. This fixes inconsistencies between expectations
in regular and GPU builds - ErrnoSetterMatcher is configured to omit
errno matching on GPUs, as fgetc implementation on GPU doesn't set
errno, in contrast to Linux.
---
libc/docs/configure.rst | 2 +-
libc/test/src/stdio/CMakeLists.txt | 13 ++++++++++++
libc/test/src/stdio/fdopen_test.cpp | 14 ++++++-------
libc/test/src/stdio/fgetc_test.cpp | 22 +++++++++++---------
libc/test/src/stdio/fgetc_unlocked_test.cpp | 22 +++++++++++---------
libc/test/src/stdio/fgets_test.cpp | 18 +++++++++-------
libc/test/src/stdio/fileop_test.cpp | 20 +++++-------------
libc/test/src/stdio/fopencookie_test.cpp | 15 +++++++------
libc/test/src/stdio/remove_test.cpp | 10 ++++-----
libc/test/src/stdio/rename_test.cpp | 9 ++++----
libc/test/src/stdio/setvbuf_test.cpp | 9 ++++----
libc/test/src/stdio/unlocked_fileop_test.cpp | 7 +++----
libc/test/src/stdlib/StrtolTest.h | 1 -
libc/test/src/stdlib/strtold_test.cpp | 1 -
14 files changed, 85 insertions(+), 78 deletions(-)
diff --git a/libc/docs/configure.rst b/libc/docs/configure.rst
index 8d53390ae19bf..109412225634f 100644
--- a/libc/docs/configure.rst
+++ b/libc/docs/configure.rst
@@ -29,7 +29,7 @@ to learn about the defaults for your platform and target.
- ``LIBC_CONF_ENABLE_STRONG_STACK_PROTECTOR``: Enable -fstack-protector-strong to defend against stack smashing attack.
- ``LIBC_CONF_KEEP_FRAME_POINTER``: Keep frame pointer in functions for better debugging experience.
* **"errno" options**
- - ``LIBC_CONF_ERRNO_MODE``: The implementation used for errno, acceptable values are LIBC_ERRNO_MODE_DEFAULT, LIBC_ERRNO_MODE_UNDEFINED, LIBC_ERRNO_MODE_THREAD_LOCAL, LIBC_ERRNO_MODE_SHARED, LIBC_ERRNO_MODE_EXTERNAL, and LIBC_ERRNO_MODE_SYSTEM.
+ - ``LIBC_CONF_ERRNO_MODE``: The implementation used for errno, acceptable values are LIBC_ERRNO_MODE_DEFAULT, LIBC_ERRNO_MODE_UNDEFINED, LIBC_ERRNO_MODE_THREAD_LOCAL, LIBC_ERRNO_MODE_SHARED, LIBC_ERRNO_MODE_EXTERNAL, LIBC_ERRNO_MODE_SYSTEM, and LIBC_ERRNO_MODE_SYSTEM_INLINE.
* **"general" options**
- ``LIBC_ADD_NULL_CHECKS``: Add nullptr checks in the library's implementations to some functions for which passing nullptr is undefined behavior.
* **"math" options**
diff --git a/libc/test/src/stdio/CMakeLists.txt b/libc/test/src/stdio/CMakeLists.txt
index ce2171f19597b..4aa8b95880018 100644
--- a/libc/test/src/stdio/CMakeLists.txt
+++ b/libc/test/src/stdio/CMakeLists.txt
@@ -20,6 +20,7 @@ add_libc_test(
libc.src.stdio.fread
libc.src.stdio.fseek
libc.src.stdio.fwrite
+ libc.test.UnitTest.ErrnoCheckingTest
)
add_libc_test(
@@ -68,6 +69,7 @@ add_libc_test(
libc.src.stdio.fread
libc.src.stdio.fwrite
libc.src.stdio.setvbuf
+ libc.test.UnitTest.ErrnoCheckingTest
)
add_libc_test(
@@ -88,6 +90,7 @@ add_libc_test(
libc.src.stdio.fread_unlocked
libc.src.stdio.funlockfile
libc.src.stdio.fwrite_unlocked
+ libc.test.UnitTest.ErrnoCheckingTest
)
add_libc_test(
@@ -109,6 +112,7 @@ add_libc_test(
libc.src.stdio.fread
libc.src.stdio.fseek
libc.src.stdio.fwrite
+ libc.test.UnitTest.ErrnoCheckingTest
LINK_LIBRARIES
LibcMemoryHelpers
)
@@ -438,6 +442,7 @@ if(${LIBC_TARGET_OS} STREQUAL "linux")
libc.src.sys.stat.mkdirat
libc.src.unistd.access
libc.src.unistd.close
+ libc.test.UnitTest.ErrnoCheckingTest
)
add_libc_test(
@@ -452,6 +457,7 @@ if(${LIBC_TARGET_OS} STREQUAL "linux")
libc.src.stdio.rename
libc.src.unistd.access
libc.src.unistd.close
+ libc.test.UnitTest.ErrnoCheckingTest
libc.test.UnitTest.ErrnoSetterMatcher
)
@@ -468,6 +474,7 @@ if(${LIBC_TARGET_OS} STREQUAL "linux")
libc.src.stdio.fgets
libc.src.stdio.fputs
libc.src.unistd.close
+ libc.test.UnitTest.ErrnoCheckingTest
libc.test.UnitTest.ErrnoSetterMatcher
)
endif()
@@ -488,6 +495,8 @@ add_libc_test(
libc.src.stdio.fopen
libc.src.stdio.fwrite
libc.src.stdio.getc
+ libc.test.UnitTest.ErrnoCheckingTest
+ libc.test.UnitTest.ErrnoSetterMatcher
)
add_libc_test(
@@ -510,6 +519,8 @@ add_libc_test(
libc.src.stdio.funlockfile
libc.src.stdio.fwrite
libc.src.stdio.getc_unlocked
+ libc.test.UnitTest.ErrnoCheckingTest
+ libc.test.UnitTest.ErrnoSetterMatcher
)
add_libc_test(
@@ -527,6 +538,8 @@ add_libc_test(
libc.src.stdio.fgets
libc.src.stdio.fopen
libc.src.stdio.fwrite
+ libc.test.UnitTest.ErrnoCheckingTest
+ libc.test.UnitTest.ErrnoSetterMatcher
)
add_libc_test(
diff --git a/libc/test/src/stdio/fdopen_test.cpp b/libc/test/src/stdio/fdopen_test.cpp
index 104fc478b100e..b53184c30be36 100644
--- a/libc/test/src/stdio/fdopen_test.cpp
+++ b/libc/test/src/stdio/fdopen_test.cpp
@@ -9,20 +9,21 @@
#include "src/stdio/fdopen.h"
#include "hdr/fcntl_macros.h"
-#include "src/__support/libc_errno.h"
#include "src/fcntl/open.h"
#include "src/stdio/fclose.h"
#include "src/stdio/fgets.h"
#include "src/stdio/fputs.h"
#include "src/unistd/close.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include <sys/stat.h> // For S_IRWXU
-TEST(LlvmLibcStdioFdopenTest, WriteAppendRead) {
+using LlvmLibcStdioFdopenTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
+
+TEST_F(LlvmLibcStdioFdopenTest, WriteAppendRead) {
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
- libc_errno = 0;
constexpr const char *TEST_FILE_NAME = "testdata/write_read_append.test";
auto TEST_FILE = libc_make_test_file_path(TEST_FILE_NAME);
int fd = LIBC_NAMESPACE::open(TEST_FILE, O_CREAT | O_TRUNC | O_RDWR, S_IRWXU);
@@ -52,8 +53,7 @@ TEST(LlvmLibcStdioFdopenTest, WriteAppendRead) {
ASSERT_ERRNO_SUCCESS();
}
-TEST(LlvmLibcStdioFdopenTest, InvalidFd) {
- libc_errno = 0;
+TEST_F(LlvmLibcStdioFdopenTest, InvalidFd) {
constexpr const char *TEST_FILE_NAME = "testdata/invalid_fd.test";
auto TEST_FILE = libc_make_test_file_path(TEST_FILE_NAME);
int fd = LIBC_NAMESPACE::open(TEST_FILE, O_CREAT | O_TRUNC);
@@ -64,8 +64,7 @@ TEST(LlvmLibcStdioFdopenTest, InvalidFd) {
ASSERT_TRUE(nullptr == fp);
}
-TEST(LlvmLibcStdioFdopenTest, InvalidMode) {
- libc_errno = 0;
+TEST_F(LlvmLibcStdioFdopenTest, InvalidMode) {
constexpr const char *TEST_FILE_NAME = "testdata/invalid_mode.test";
auto TEST_FILE = libc_make_test_file_path(TEST_FILE_NAME);
int fd = LIBC_NAMESPACE::open(TEST_FILE, O_CREAT | O_RDONLY, S_IRWXU);
@@ -83,7 +82,6 @@ TEST(LlvmLibcStdioFdopenTest, InvalidMode) {
auto *fp2 = LIBC_NAMESPACE::fdopen(fd, "w");
ASSERT_ERRNO_EQ(EINVAL);
ASSERT_TRUE(nullptr == fp2);
- libc_errno = 0;
LIBC_NAMESPACE::close(fd);
ASSERT_ERRNO_SUCCESS();
}
diff --git a/libc/test/src/stdio/fgetc_test.cpp b/libc/test/src/stdio/fgetc_test.cpp
index 56bde5f0099a8..be2e50271b510 100644
--- a/libc/test/src/stdio/fgetc_test.cpp
+++ b/libc/test/src/stdio/fgetc_test.cpp
@@ -14,12 +14,15 @@
#include "src/stdio/fopen.h"
#include "src/stdio/fwrite.h"
#include "src/stdio/getc.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
+#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include "hdr/stdio_macros.h"
-#include "src/__support/libc_errno.h"
-class LlvmLibcGetcTest : public LIBC_NAMESPACE::testing::Test {
+using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
+
+class LlvmLibcGetcTest : public LIBC_NAMESPACE::testing::ErrnoCheckingTest {
public:
using GetcFunc = int(FILE *);
void test_with_func(GetcFunc *func, const char *filename) {
@@ -27,29 +30,28 @@ class LlvmLibcGetcTest : public LIBC_NAMESPACE::testing::Test {
ASSERT_FALSE(file == nullptr);
constexpr char CONTENT[] = "123456789";
constexpr size_t WRITE_SIZE = sizeof(CONTENT) - 1;
- ASSERT_EQ(WRITE_SIZE, LIBC_NAMESPACE::fwrite(CONTENT, 1, WRITE_SIZE, file));
+ ASSERT_THAT(LIBC_NAMESPACE::fwrite(CONTENT, 1, WRITE_SIZE, file),
+ Succeeds(WRITE_SIZE));
// This is a write-only file so reads should fail.
- ASSERT_EQ(func(file), EOF);
+ ASSERT_THAT(func(file), Fails(EBADF, EOF));
// This is an error and not a real EOF.
ASSERT_EQ(LIBC_NAMESPACE::feof(file), 0);
ASSERT_NE(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
- ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
+ ASSERT_THAT(LIBC_NAMESPACE::fclose(file), Succeeds());
file = LIBC_NAMESPACE::fopen(filename, "r");
ASSERT_FALSE(file == nullptr);
for (size_t i = 0; i < WRITE_SIZE; ++i) {
- int c = func(file);
- ASSERT_EQ(c, int('1' + i));
+ ASSERT_THAT(func(file), Succeeds(int('1' + i)));
}
// Reading more should return EOF but not set error.
- ASSERT_EQ(func(file), EOF);
+ ASSERT_THAT(func(file), Succeeds(EOF));
ASSERT_NE(LIBC_NAMESPACE::feof(file), 0);
ASSERT_EQ(LIBC_NAMESPACE::ferror(file), 0);
- ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
+ ASSERT_THAT(LIBC_NAMESPACE::fclose(file), Succeeds());
}
};
diff --git a/libc/test/src/stdio/fgetc_unlocked_test.cpp b/libc/test/src/stdio/fgetc_unlocked_test.cpp
index 90429ecf4e82b..bef9dafd3d87c 100644
--- a/libc/test/src/stdio/fgetc_unlocked_test.cpp
+++ b/libc/test/src/stdio/fgetc_unlocked_test.cpp
@@ -17,12 +17,15 @@
#include "src/stdio/funlockfile.h"
#include "src/stdio/fwrite.h"
#include "src/stdio/getc_unlocked.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
+#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include "hdr/stdio_macros.h"
-#include "src/__support/libc_errno.h"
-class LlvmLibcGetcTest : public LIBC_NAMESPACE::testing::Test {
+using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
+
+class LlvmLibcGetcTest : public LIBC_NAMESPACE::testing::ErrnoCheckingTest {
public:
using GetcFunc = int(FILE *);
void test_with_func(GetcFunc *func, const char *filename) {
@@ -30,31 +33,30 @@ class LlvmLibcGetcTest : public LIBC_NAMESPACE::testing::Test {
ASSERT_FALSE(file == nullptr);
constexpr char CONTENT[] = "123456789";
constexpr size_t WRITE_SIZE = sizeof(CONTENT) - 1;
- ASSERT_EQ(WRITE_SIZE, LIBC_NAMESPACE::fwrite(CONTENT, 1, WRITE_SIZE, file));
+ ASSERT_THAT(LIBC_NAMESPACE::fwrite(CONTENT, 1, WRITE_SIZE, file),
+ Succeeds(WRITE_SIZE));
// This is a write-only file so reads should fail.
- ASSERT_EQ(func(file), EOF);
+ ASSERT_THAT(func(file), Fails(EBADF, EOF));
// This is an error and not a real EOF.
ASSERT_EQ(LIBC_NAMESPACE::feof(file), 0);
ASSERT_NE(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
- ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
+ ASSERT_THAT(LIBC_NAMESPACE::fclose(file), Succeeds());
file = LIBC_NAMESPACE::fopen(filename, "r");
ASSERT_FALSE(file == nullptr);
LIBC_NAMESPACE::flockfile(file);
for (size_t i = 0; i < WRITE_SIZE; ++i) {
- int c = func(file);
- ASSERT_EQ(c, int('1' + i));
+ ASSERT_THAT(func(file), Succeeds(int('1' + i)));
}
// Reading more should return EOF but not set error.
- ASSERT_EQ(func(file), EOF);
+ ASSERT_THAT(func(file), Succeeds(EOF));
ASSERT_NE(LIBC_NAMESPACE::feof_unlocked(file), 0);
ASSERT_EQ(LIBC_NAMESPACE::ferror_unlocked(file), 0);
LIBC_NAMESPACE::funlockfile(file);
- ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
+ ASSERT_THAT(LIBC_NAMESPACE::fclose(file), Succeeds());
}
};
diff --git a/libc/test/src/stdio/fgets_test.cpp b/libc/test/src/stdio/fgets_test.cpp
index abed3d4052939..ca8d4d4546635 100644
--- a/libc/test/src/stdio/fgets_test.cpp
+++ b/libc/test/src/stdio/fgets_test.cpp
@@ -12,11 +12,14 @@
#include "src/stdio/fgets.h"
#include "src/stdio/fopen.h"
#include "src/stdio/fwrite.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
+#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
-#include "src/__support/libc_errno.h"
+using LlvmLibcFgetsTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
+using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
-TEST(LlvmLibcFgetsTest, WriteAndReadCharacters) {
+TEST_F(LlvmLibcFgetsTest, WriteAndReadCharacters) {
constexpr char FILENAME[] = "testdata/fgets.test";
::FILE *file = LIBC_NAMESPACE::fopen(FILENAME, "w");
ASSERT_FALSE(file == nullptr);
@@ -29,15 +32,15 @@ TEST(LlvmLibcFgetsTest, WriteAndReadCharacters) {
char buff[8];
char *output;
- ASSERT_EQ(WRITE_SIZE, LIBC_NAMESPACE::fwrite(CONTENT, 1, WRITE_SIZE, file));
+ ASSERT_THAT(LIBC_NAMESPACE::fwrite(CONTENT, 1, WRITE_SIZE, file),
+ Succeeds(WRITE_SIZE));
// This is a write-only file so reads should fail.
- ASSERT_TRUE(LIBC_NAMESPACE::fgets(buff, 8, file) == nullptr);
+ ASSERT_THAT(LIBC_NAMESPACE::fgets(buff, 8, file), Fails(EBADF, nullptr));
// This is an error and not a real EOF.
ASSERT_EQ(LIBC_NAMESPACE::feof(file), 0);
ASSERT_NE(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
- ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
+ ASSERT_THAT(LIBC_NAMESPACE::fclose(file), Succeeds());
file = LIBC_NAMESPACE::fopen(FILENAME, "r");
ASSERT_FALSE(file == nullptr);
@@ -55,6 +58,7 @@ TEST(LlvmLibcFgetsTest, WriteAndReadCharacters) {
// This is also implementation defined.
output = LIBC_NAMESPACE::fgets(buff, 0, file);
ASSERT_TRUE(output == nullptr);
+ ASSERT_ERRNO_SUCCESS();
#endif
const char *output_arr[] = {
@@ -86,5 +90,5 @@ TEST(LlvmLibcFgetsTest, WriteAndReadCharacters) {
ASSERT_NE(LIBC_NAMESPACE::feof(file), 0);
ASSERT_ERRNO_SUCCESS();
- ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
+ ASSERT_THAT(LIBC_NAMESPACE::fclose(file), Succeeds());
}
diff --git a/libc/test/src/stdio/fileop_test.cpp b/libc/test/src/stdio/fileop_test.cpp
index e624181c795b8..e097785832d56 100644
--- a/libc/test/src/stdio/fileop_test.cpp
+++ b/libc/test/src/stdio/fileop_test.cpp
@@ -17,17 +17,18 @@
#include "src/stdio/fread.h"
#include "src/stdio/fseek.h"
#include "src/stdio/fwrite.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include "hdr/stdio_macros.h"
-#include "src/__support/libc_errno.h"
+using LlvmLibcFILETest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::EQ;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::NE;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::returns;
-TEST(LlvmLibcFILETest, SimpleFileOperations) {
+TEST_F(LlvmLibcFILETest, SimpleFileOperations) {
constexpr char FILENAME[] = "testdata/simple_operations.test";
::FILE *file = LIBC_NAMESPACE::fopen(FILENAME, "w");
ASSERT_FALSE(file == nullptr);
@@ -41,7 +42,6 @@ TEST(LlvmLibcFILETest, SimpleFileOperations) {
ASSERT_THAT(LIBC_NAMESPACE::fread(read_data, 1, sizeof(CONTENT), file),
returns(EQ(size_t(0))).with_errno(NE(0)));
ASSERT_NE(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
LIBC_NAMESPACE::clearerr(file);
ASSERT_EQ(LIBC_NAMESPACE::ferror(file), 0);
@@ -72,7 +72,6 @@ TEST(LlvmLibcFILETest, SimpleFileOperations) {
ASSERT_THAT(LIBC_NAMESPACE::fwrite(CONTENT, 1, sizeof(CONTENT), file),
returns(EQ(size_t(0))).with_errno(NE(0)));
ASSERT_NE(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
LIBC_NAMESPACE::clearerr(file);
@@ -80,15 +79,12 @@ TEST(LlvmLibcFILETest, SimpleFileOperations) {
ASSERT_THAT(LIBC_NAMESPACE::fputs(CONTENT, file),
returns(EQ(EOF)).with_errno(NE(0)));
ASSERT_NE(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
LIBC_NAMESPACE::clearerr(file);
ASSERT_EQ(LIBC_NAMESPACE::ferror(file), 0);
- libc_errno = 0;
ASSERT_THAT(LIBC_NAMESPACE::fwrite("nothing", 1, 1, file),
returns(EQ(size_t(0))).with_errno(NE(0)));
- libc_errno = 0;
ASSERT_EQ(LIBC_NAMESPACE::fclose(file), 0);
@@ -103,10 +99,8 @@ TEST(LlvmLibcFILETest, SimpleFileOperations) {
ASSERT_EQ(LIBC_NAMESPACE::ferror(file), 0);
// This is not a readable file.
- libc_errno = 0;
ASSERT_THAT(LIBC_NAMESPACE::fread(data, 1, 1, file),
returns(EQ(0)).with_errno(NE(0)));
- libc_errno = 0;
ASSERT_EQ(0, LIBC_NAMESPACE::fclose(file));
@@ -121,21 +115,18 @@ TEST(LlvmLibcFILETest, SimpleFileOperations) {
// Check that the other functions correctly set libc_errno.
- // libc_errno = 0;
// ASSERT_NE(LIBC_NAMESPACE::fseek(file, 0, SEEK_SET), 0);
// ASSERT_ERRNO_FAILURE();
- // libc_errno = 0;
// ASSERT_NE(LIBC_NAMESPACE::fclose(file), 0);
// ASSERT_ERRNO_FAILURE();
- // libc_errno = 0;
// ASSERT_EQ(LIBC_NAMESPACE::fopen("INVALID FILE NAME", "r"),
// static_cast<FILE *>(nullptr));
// ASSERT_ERRNO_FAILURE();
}
-TEST(LlvmLibcFILETest, FFlush) {
+TEST_F(LlvmLibcFILETest, FFlush) {
constexpr char FILENAME[] = "testdata/fflush.test";
::FILE *file = LIBC_NAMESPACE::fopen(FILENAME, "w+");
ASSERT_FALSE(file == nullptr);
@@ -156,7 +147,7 @@ TEST(LlvmLibcFILETest, FFlush) {
ASSERT_EQ(LIBC_NAMESPACE::fclose(file), 0);
}
-TEST(LlvmLibcFILETest, FOpenFWriteSizeGreaterThanOne) {
+TEST_F(LlvmLibcFILETest, FOpenFWriteSizeGreaterThanOne) {
using MyStruct = struct {
char c;
unsigned long long i;
@@ -165,7 +156,6 @@ TEST(LlvmLibcFILETest, FOpenFWriteSizeGreaterThanOne) {
constexpr size_t WRITE_NMEMB = sizeof(WRITE_DATA) / sizeof(MyStruct);
constexpr char FILENAME[] = "testdata/fread_fwrite.test";
- libc_errno = 0;
FILE *file = LIBC_NAMESPACE::fopen(FILENAME, "w");
ASSERT_FALSE(file == nullptr);
ASSERT_EQ(size_t(0), LIBC_NAMESPACE::fwrite(WRITE_DATA, 0, 1, file));
diff --git a/libc/test/src/stdio/fopencookie_test.cpp b/libc/test/src/stdio/fopencookie_test.cpp
index 03e1ac286b646..bcf5e674141a7 100644
--- a/libc/test/src/stdio/fopencookie_test.cpp
+++ b/libc/test/src/stdio/fopencookie_test.cpp
@@ -15,6 +15,7 @@
#include "src/stdio/fread.h"
#include "src/stdio/fseek.h"
#include "src/stdio/fwrite.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/MemoryMatcher.h"
#include "test/UnitTest/Test.h"
@@ -22,6 +23,7 @@
#include "hdr/types/size_t.h"
#include "src/__support/libc_errno.h"
+using LlvmLibcFOpenCookieTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
using MemoryView = LIBC_NAMESPACE::testing::MemoryView;
struct StringStream {
@@ -88,7 +90,7 @@ int close_ss(void *cookie) {
constexpr cookie_io_functions_t STRING_STREAM_FUNCS = {&read_ss, &write_ss,
&seek_ss, &close_ss};
-TEST(LlvmLibcFOpenCookie, ReadOnlyCookieTest) {
+TEST_F(LlvmLibcFOpenCookieTest, ReadOnlyCookieTest) {
constexpr char CONTENT[] = "Hello,readonly!";
auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));
ss->buf = reinterpret_cast<char *>(malloc(sizeof(CONTENT)));
@@ -115,7 +117,6 @@ TEST(LlvmLibcFOpenCookie, ReadOnlyCookieTest) {
ASSERT_EQ(size_t(0), LIBC_NAMESPACE::fwrite(CONTENT, 1, sizeof(CONTENT), f));
ASSERT_NE(LIBC_NAMESPACE::ferror(f), 0);
ASSERT_ERRNO_FAILURE();
- libc_errno = 0;
LIBC_NAMESPACE::clearerr(f);
ASSERT_EQ(LIBC_NAMESPACE::ferror(f), 0);
@@ -124,7 +125,7 @@ TEST(LlvmLibcFOpenCookie, ReadOnlyCookieTest) {
free(ss);
}
-TEST(LlvmLibcFOpenCookie, WriteOnlyCookieTest) {
+TEST_F(LlvmLibcFOpenCookieTest, WriteOnlyCookieTest) {
size_t INIT_BUFSIZE = 32;
auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));
ss->buf = reinterpret_cast<char *>(malloc(INIT_BUFSIZE));
@@ -149,7 +150,6 @@ TEST(LlvmLibcFOpenCookie, WriteOnlyCookieTest) {
LIBC_NAMESPACE::fread(read_data, 1, sizeof(WRITE_DATA), f));
ASSERT_NE(LIBC_NAMESPACE::ferror(f), 0);
ASSERT_ERRNO_EQ(EBADF);
- libc_errno = 0;
LIBC_NAMESPACE::clearerr(f);
ASSERT_EQ(LIBC_NAMESPACE::ferror(f), 0);
@@ -158,7 +158,7 @@ TEST(LlvmLibcFOpenCookie, WriteOnlyCookieTest) {
free(ss);
}
-TEST(LlvmLibcFOpenCookie, AppendOnlyCookieTest) {
+TEST_F(LlvmLibcFOpenCookieTest, AppendOnlyCookieTest) {
constexpr char INITIAL_CONTENT[] = "1234567890987654321";
constexpr char WRITE_DATA[] = "append";
auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));
@@ -178,7 +178,6 @@ TEST(LlvmLibcFOpenCookie, AppendOnlyCookieTest) {
ASSERT_EQ(LIBC_NAMESPACE::fread(read_data, 1, READ_SIZE, f), size_t(0));
ASSERT_NE(LIBC_NAMESPACE::ferror(f), 0);
ASSERT_ERRNO_FAILURE();
- libc_errno = 0;
LIBC_NAMESPACE::clearerr(f);
ASSERT_EQ(LIBC_NAMESPACE::ferror(f), 0);
@@ -192,7 +191,7 @@ TEST(LlvmLibcFOpenCookie, AppendOnlyCookieTest) {
free(ss);
}
-TEST(LlvmLibcFOpenCookie, ReadUpdateCookieTest) {
+TEST_F(LlvmLibcFOpenCookieTest, ReadUpdateCookieTest) {
const char INITIAL_CONTENT[] = "1234567890987654321";
auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));
ss->buf = reinterpret_cast<char *>(malloc(sizeof(INITIAL_CONTENT)));
@@ -223,7 +222,7 @@ TEST(LlvmLibcFOpenCookie, ReadUpdateCookieTest) {
free(ss);
}
-TEST(LlvmLibcFOpenCookie, WriteUpdateCookieTest) {
+TEST_F(LlvmLibcFOpenCookieTest, WriteUpdateCookieTest) {
constexpr char WRITE_DATA[] = "hello, file";
auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));
ss->buf = reinterpret_cast<char *>(malloc(sizeof(WRITE_DATA)));
diff --git a/libc/test/src/stdio/remove_test.cpp b/libc/test/src/stdio/remove_test.cpp
index 84984e26398c0..296bff1f5dc15 100644
--- a/libc/test/src/stdio/remove_test.cpp
+++ b/libc/test/src/stdio/remove_test.cpp
@@ -11,16 +11,17 @@
#include "src/sys/stat/mkdirat.h"
#include "src/unistd/access.h"
#include "src/unistd/close.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
-#include "src/__support/libc_errno.h"
#include <unistd.h>
-TEST(LlvmLibcRemoveTest, CreateAndRemoveFile) {
+using LlvmLibcRemoveTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
+
+TEST_F(LlvmLibcRemoveTest, CreateAndRemoveFile) {
// The test strategy is to create a file and remove it, and also verify that
// it was removed.
- libc_errno = 0;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
@@ -36,10 +37,9 @@ TEST(LlvmLibcRemoveTest, CreateAndRemoveFile) {
ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Fails(ENOENT));
}
-TEST(LlvmLibcRemoveTest, CreateAndRemoveDir) {
+TEST_F(LlvmLibcRemoveTest, CreateAndRemoveDir) {
// The test strategy is to create a dir and remove it, and also verify that
// it was removed.
- libc_errno = 0;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
constexpr const char *FILENAME = "remove.test.dir";
diff --git a/libc/test/src/stdio/rename_test.cpp b/libc/test/src/stdio/rename_test.cpp
index ac494a4ecaf8e..135fb98c07fbb 100644
--- a/libc/test/src/stdio/rename_test.cpp
+++ b/libc/test/src/stdio/rename_test.cpp
@@ -8,18 +8,19 @@
#include "include/llvm-libc-macros/linux/sys-stat-macros.h"
#include "include/llvm-libc-macros/linux/unistd-macros.h"
-#include "src/__support/libc_errno.h"
#include "src/fcntl/open.h"
#include "src/stdio/rename.h"
#include "src/unistd/access.h"
#include "src/unistd/close.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
-TEST(LlvmLibcRenameTest, CreateAndRenameFile) {
+using LlvmLibcRenameTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
+
+TEST_F(LlvmLibcRenameTest, CreateAndRenameFile) {
// The test strategy is to create a file and rename it, and also verify that
// it was renamed.
- libc_errno = 0;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
@@ -40,7 +41,7 @@ TEST(LlvmLibcRenameTest, CreateAndRenameFile) {
ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILEPATH0, F_OK), Fails(ENOENT));
}
-TEST(LlvmLibcRenameTest, RenameNonExistent) {
+TEST_F(LlvmLibcRenameTest, RenameNonExistent) {
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
constexpr const char *FILENAME1 = "rename.test.file1";
diff --git a/libc/test/src/stdio/setvbuf_test.cpp b/libc/test/src/stdio/setvbuf_test.cpp
index 5872943c1bb41..a0936ba79ef73 100644
--- a/libc/test/src/stdio/setvbuf_test.cpp
+++ b/libc/test/src/stdio/setvbuf_test.cpp
@@ -11,12 +11,14 @@
#include "src/stdio/fread.h"
#include "src/stdio/fwrite.h"
#include "src/stdio/setvbuf.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/Test.h"
#include "hdr/stdio_macros.h"
-#include "src/__support/libc_errno.h"
-TEST(LlvmLibcSetvbufTest, SetNBFBuffer) {
+using LlvmLibcSetvbufTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
+
+TEST_F(LlvmLibcSetvbufTest, SetNBFBuffer) {
// The idea in this test is that we open a file for writing and reading, and
// then set a NBF buffer to the write handle. Since it is NBF, the data
// written using the write handle should be immediately readable by the read
@@ -52,7 +54,7 @@ TEST(LlvmLibcSetvbufTest, SetNBFBuffer) {
ASSERT_EQ(0, LIBC_NAMESPACE::fclose(fr));
}
-TEST(LlvmLibcSetvbufTest, SetLBFBuffer) {
+TEST_F(LlvmLibcSetvbufTest, SetLBFBuffer) {
// The idea in this test is that we open a file for writing and reading, and
// then set a LBF buffer to the write handle. Since it is LBF, the data
// written using the write handle should be available right after a '\n' is
@@ -102,6 +104,5 @@ TEST(LlvmLibcSetbufTest, InvalidBufferMode) {
0);
ASSERT_ERRNO_EQ(EINVAL);
- libc_errno = 0;
ASSERT_EQ(0, LIBC_NAMESPACE::fclose(f));
}
diff --git a/libc/test/src/stdio/unlocked_fileop_test.cpp b/libc/test/src/stdio/unlocked_fileop_test.cpp
index 5d482b70064bd..e99b382d12112 100644
--- a/libc/test/src/stdio/unlocked_fileop_test.cpp
+++ b/libc/test/src/stdio/unlocked_fileop_test.cpp
@@ -15,11 +15,12 @@
#include "src/stdio/fread_unlocked.h"
#include "src/stdio/funlockfile.h"
#include "src/stdio/fwrite_unlocked.h"
+#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/Test.h"
-#include "src/__support/libc_errno.h"
+using LlvmLibcFILETest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
-TEST(LlvmLibcFILETest, UnlockedReadAndWrite) {
+TEST_F(LlvmLibcFILETest, UnlockedReadAndWrite) {
constexpr char fNAME[] = "testdata/unlocked_read_and_write.test";
::FILE *f = LIBC_NAMESPACE::fopen(fNAME, "w");
ASSERT_FALSE(f == nullptr);
@@ -36,7 +37,6 @@ TEST(LlvmLibcFILETest, UnlockedReadAndWrite) {
LIBC_NAMESPACE::fread_unlocked(data, 1, sizeof(READ_SIZE), f));
ASSERT_NE(LIBC_NAMESPACE::ferror_unlocked(f), 0);
ASSERT_ERRNO_FAILURE();
- libc_errno = 0;
LIBC_NAMESPACE::clearerr_unlocked(f);
ASSERT_EQ(LIBC_NAMESPACE::ferror_unlocked(f), 0);
@@ -57,7 +57,6 @@ TEST(LlvmLibcFILETest, UnlockedReadAndWrite) {
LIBC_NAMESPACE::fwrite_unlocked(CONTENT, 1, sizeof(CONTENT), f));
ASSERT_NE(LIBC_NAMESPACE::ferror_unlocked(f), 0);
ASSERT_ERRNO_FAILURE();
- libc_errno = 0;
LIBC_NAMESPACE::clearerr_unlocked(f);
ASSERT_EQ(LIBC_NAMESPACE::ferror_unlocked(f), 0);
diff --git a/libc/test/src/stdlib/StrtolTest.h b/libc/test/src/stdlib/StrtolTest.h
index 3eeccc5727e77..03f0a6539c785 100644
--- a/libc/test/src/stdlib/StrtolTest.h
+++ b/libc/test/src/stdlib/StrtolTest.h
@@ -9,7 +9,6 @@
#include "src/__support/CPP/limits.h"
#include "src/__support/CPP/type_traits.h"
#include "src/__support/ctype_utils.h"
-#include "src/__support/libc_errno.h"
#include "src/__support/macros/properties/architectures.h"
#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/Test.h"
diff --git a/libc/test/src/stdlib/strtold_test.cpp b/libc/test/src/stdlib/strtold_test.cpp
index c2f2b9c9a11c3..eb4056dc7ba64 100644
--- a/libc/test/src/stdlib/strtold_test.cpp
+++ b/libc/test/src/stdlib/strtold_test.cpp
@@ -7,7 +7,6 @@
//===----------------------------------------------------------------------===//
#include "src/__support/FPUtil/FPBits.h"
-#include "src/__support/libc_errno.h"
#include "src/__support/uint128.h"
#include "src/stdlib/strtold.h"
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