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[pstl] Make sure unit tests exit with a non-zero error code when they fail 

The previous test system would only print errors to stderr, however CMake
(and lit) detect failure via the program returning a non-zero error code.
So all the tests would always pretend they passed.

llvm-svn: 356921
This commit is contained in:
Louis Dionne 2019-03-25 16:44:08 +00:00
parent 7e8476ddfa
commit e63f47549e
1 changed files with 16 additions and 17 deletions
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33
pstl/test/utils.h
View File

@ -10,14 +10,15 @@
// File contains common utilities that tests rely on
// Do not #include <algorithm>, because if we do we will not detect accidental dependencies.
#include <sstream>
#include <iostream>
#include <cstring>
#include <iterator>
#include <vector>
#include <atomic>
#include <memory>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <iterator>
#include <memory>
#include <sstream>
#include <vector>
#include "pstl_test_config.h"
@ -38,32 +39,30 @@ template <typename T>
class Sequence;
// Handy macros for error reporting
#define EXPECT_TRUE(condition, message) TestUtils::expect<true>(condition, __FILE__, __LINE__, message)
#define EXPECT_FALSE(condition, message) TestUtils::expect<false>(condition, __FILE__, __LINE__, message)
#define EXPECT_TRUE(condition, message) ::TestUtils::expect(true, condition, __FILE__, __LINE__, message)
#define EXPECT_FALSE(condition, message) ::TestUtils::expect(false, condition, __FILE__, __LINE__, message)
// Check that expected and actual are equal and have the same type.
#define EXPECT_EQ(expected, actual, message) TestUtils::expect_equal(expected, actual, __FILE__, __LINE__, message)
#define EXPECT_EQ(expected, actual, message) ::TestUtils::expect_equal(expected, actual, __FILE__, __LINE__, message)
// Check that sequences started with expected and actual and have had size n are equal and have the same type.
#define EXPECT_EQ_N(expected, actual, n, message) \
TestUtils::expect_equal(expected, actual, n, __FILE__, __LINE__, message)
::TestUtils::expect_equal(expected, actual, n, __FILE__, __LINE__, message)
// Issue error message from outstr, adding a newline.
// Real purpose of this routine is to have a place to hang a breakpoint.
static void
inline void
issue_error_message(std::stringstream& outstr)
{
outstr << std::endl;
std::cerr << outstr.str();
std::exit(EXIT_FAILURE);
}
template <bool B>
void
expect(bool condition, const char* file, int32_t line, const char* message)
inline void
expect(bool expected, bool condition, const char* file, int32_t line, const char* message)
{
// Templating this function is somewhat silly, but avoids the need to declare it static
// or have a separate translation unit.
if (condition != B)
if (condition != expected)
{
std::stringstream outstr;
outstr << "error at " << file << ":" << line << " - " << message;