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UnitTests/Path: Produce useful diagnostics on error.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122812 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2011-01-04 17:00:18 +00:00
parent 26db45818a
commit ba64b9706a
1 changed files with 25 additions and 17 deletions
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42
unittests/Support/Path.cpp
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@ -16,6 +16,14 @@
using namespace llvm;
using namespace llvm::sys;
#define ASSERT_NO_ERROR(x) \
if (error_code ec = x) { \
SmallString<128> Message; \
GTEST_FATAL_FAILURE_((Twine(#x) + ": did not return errc::success.\n" + \
"error message: " + \
x.message()).toNullTerminatedStringRef(Message).data()); \
} else {}
namespace {
TEST(Support, Path) {
@ -100,9 +108,9 @@ TEST(Support, Path) {
path::is_absolute(*i);
path::is_relative(*i);
SmallString<16> temp_store;
SmallString<128> temp_store;
temp_store = *i;
ASSERT_FALSE(fs::make_absolute(temp_store));
ASSERT_NO_ERROR(fs::make_absolute(temp_store));
temp_store = *i;
path::remove_filename(temp_store);
@ -114,58 +122,58 @@ TEST(Support, Path) {
EXPECT_EQ(*(--sys::path::end(filename)), (stem + ext).str());
path::native(*i, temp_store);
outs().flush();
}
// Create a temp file.
int FileDescriptor;
SmallString<64> TempPath;
ASSERT_FALSE(fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
ASSERT_NO_ERROR(
fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
// Make sure it exists.
bool TempFileExists;
ASSERT_FALSE(sys::fs::exists(Twine(TempPath), TempFileExists));
ASSERT_NO_ERROR(sys::fs::exists(Twine(TempPath), TempFileExists));
EXPECT_TRUE(TempFileExists);
// Create another temp tile.
int FD2;
SmallString<64> TempPath2;
ASSERT_FALSE(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2));
ASSERT_NO_ERROR(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2));
ASSERT_NE(TempPath.str(), TempPath2.str());
// Try to copy the first to the second.
EXPECT_EQ(fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists);
EXPECT_EQ(
fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists);
::close(FD2);
// Try again with the proper options.
ASSERT_FALSE(fs::copy_file(Twine(TempPath), Twine(TempPath2),
fs::copy_option::overwrite_if_exists));
ASSERT_NO_ERROR(fs::copy_file(Twine(TempPath), Twine(TempPath2),
fs::copy_option::overwrite_if_exists));
// Remove Temp2.
ASSERT_FALSE(fs::remove(Twine(TempPath2), TempFileExists));
ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists));
EXPECT_TRUE(TempFileExists);
// Make sure Temp2 doesn't exist.
ASSERT_FALSE(fs::exists(Twine(TempPath2), TempFileExists));
ASSERT_NO_ERROR(fs::exists(Twine(TempPath2), TempFileExists));
EXPECT_FALSE(TempFileExists);
// Create a hard link to Temp1.
ASSERT_FALSE(fs::create_hard_link(Twine(TempPath), Twine(TempPath2)));
ASSERT_NO_ERROR(fs::create_hard_link(Twine(TempPath), Twine(TempPath2)));
bool equal;
ASSERT_FALSE(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
EXPECT_TRUE(equal);
// Remove Temp1.
::close(FileDescriptor);
ASSERT_FALSE(fs::remove(Twine(TempPath), TempFileExists));
ASSERT_NO_ERROR(fs::remove(Twine(TempPath), TempFileExists));
EXPECT_TRUE(TempFileExists);
// Remove the hard link.
ASSERT_FALSE(fs::remove(Twine(TempPath2), TempFileExists));
ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists));
EXPECT_TRUE(TempFileExists);
// Make sure Temp1 doesn't exist.
ASSERT_FALSE(fs::exists(Twine(TempPath), TempFileExists));
ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists));
EXPECT_FALSE(TempFileExists);
// I've yet to do directory iteration on Unix.