Move test dir to root

test/core/testing.h

@@ -0,0 +1,48 @@
+#ifndef YAZE_TEST_CORE_TESTING_H
+#define YAZE_TEST_CORE_TESTING_H
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include "absl/status/status.h"
+#include "absl/status/statusor.h"
+
+#define EXPECT_OK(expr) EXPECT_EQ((expr), absl::OkStatus())
+
+#define ASSERT_OK(expr) ASSERT_EQ((expr), absl::OkStatus())
+
+#define ASSERT_OK_AND_ASSIGN(lhs, rexpr)              \
+  if (auto rexpr_value = (rexpr); rexpr_value.ok()) { \
+    lhs = std::move(rexpr_value).value();             \
+  } else {                                            \
+    FAIL() << "error: " << rexpr_value.status();      \
+  }
+
+namespace yaze {
+namespace test {
+
+// StatusIs is a matcher that matches a status that has the same code and
+// message as the expected status.
+MATCHER_P(StatusIs, status, "") { return arg.code() == status; }
+
+// Support for testing absl::StatusOr.
+template <typename T>
+::testing::AssertionResult IsOkAndHolds(const absl::StatusOr<T>& status_or,
+                                        const T& value) {
+  if (!status_or.ok()) {
+    return ::testing::AssertionFailure()
+           << "Expected status to be OK, but got: " << status_or.status();
+  }
+  if (status_or.value() != value) {
+    return ::testing::AssertionFailure() << "Expected value to be " << value
+                                         << ", but got: " << status_or.value();
+  }
+  return ::testing::AssertionSuccess();
+}
+
+MATCHER_P(IsOkAndHolds, value, "") { return IsOkAndHolds(arg, value); }
+
+}  // namespace test
+}  // namespace yaze
+
+#endif  // YAZE_TEST_CORE_TESTING_H