boringssl/crypto/test/file_test_gtest.cc
David Benjamin 28d6979b7e Print errors better in FileTestGTest.
Rather than clear them, even on failure, detect if an individual test
failed and dump the error queue there. We already do this at the GTest
level in ErrorTestEventListener, but that is too coarse-grained for the
file tests.

Change-Id: I3437626dcf3ec43f6fddd98153b0af73dbdcce84
Reviewed-on: https://boringssl-review.googlesource.com/19966
Reviewed-by: Steven Valdez <svaldez@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-09-05 17:24:15 +00:00

108 lines
3.0 KiB
C++

/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include "file_test.h"
#include <assert.h>
#include <string.h>
#include <memory>
#include <string>
#include <utility>
#include <gtest/gtest.h>
#include <openssl/err.h>
std::string GetTestData(const char *path);
class StringLineReader : public FileTest::LineReader {
public:
explicit StringLineReader(const std::string &data)
: data_(data), offset_(0) {}
FileTest::ReadResult ReadLine(char *out, size_t len) override {
assert(len > 0);
if (offset_ == data_.size()) {
return FileTest::kReadEOF;
}
size_t idx = data_.find('\n', offset_);
if (idx == std::string::npos) {
idx = data_.size();
} else {
idx++; // Include the newline.
}
if (idx - offset_ > len - 1) {
ADD_FAILURE() << "Line too long.";
return FileTest::kReadError;
}
memcpy(out, data_.data() + offset_, idx - offset_);
out[idx - offset_] = '\0';
offset_ = idx;
return FileTest::kReadSuccess;
}
private:
std::string data_;
size_t offset_;
StringLineReader(const StringLineReader &) = delete;
StringLineReader &operator=(const StringLineReader &) = delete;
};
void FileTestGTest(const char *path, std::function<void(FileTest *)> run_test) {
std::unique_ptr<StringLineReader> reader(
new StringLineReader(GetTestData(path)));
FileTest t(std::move(reader), nullptr);
while (true) {
switch (t.ReadNext()) {
case FileTest::kReadError:
ADD_FAILURE() << "Error reading test.";
return;
case FileTest::kReadEOF:
return;
case FileTest::kReadSuccess:
break;
}
const testing::TestResult *test_result =
testing::UnitTest::GetInstance()->current_test_info()->result();
int before_part_count = test_result->total_part_count();
SCOPED_TRACE(testing::Message() << path << ", line " << t.start_line());
run_test(&t);
// Check for failures from the most recent test.
bool failed = false;
for (int i = before_part_count; i < test_result->total_part_count(); i++) {
if (test_result->GetTestPartResult(i).failed()) {
failed = true;
break;
}
}
// Clean up the error queue for the next test, reporting it on failure.
if (failed) {
ERR_print_errors_fp(stdout);
} else {
ERR_clear_error();
}
}
}