--- /dev/null
+/* 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, false);
+
+ 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();
+ }
+ }
+}