| /* |
| * Copyright 2017 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "api/rtc_error.h" |
| |
| #include <string> |
| #include <utility> |
| |
| #include "absl/strings/str_cat.h" |
| #include "absl/strings/string_view.h" |
| #include "rtc_base/checks.h" |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| namespace { |
| |
| constexpr int kDefaultMoveOnlyIntValue = 0xbadf00d; |
| |
| // Class that has no copy constructor, ensuring that RTCErrorOr can |
| struct MoveOnlyInt { |
| MoveOnlyInt() {} |
| explicit MoveOnlyInt(int value) : value(value) {} |
| MoveOnlyInt(const MoveOnlyInt& other) = delete; |
| MoveOnlyInt& operator=(const MoveOnlyInt& other) = delete; |
| MoveOnlyInt(MoveOnlyInt&& other) : value(other.value) {} |
| MoveOnlyInt& operator=(MoveOnlyInt&& other) { |
| value = other.value; |
| return *this; |
| } |
| |
| int value = kDefaultMoveOnlyIntValue; |
| }; |
| |
| // Same as above. Used to test conversion from RTCErrorOr<A> to RTCErrorOr<B> |
| // when A can be converted to B. |
| struct MoveOnlyInt2 { |
| MoveOnlyInt2() {} |
| explicit MoveOnlyInt2(int value) : value(value) {} |
| MoveOnlyInt2(const MoveOnlyInt2& other) = delete; |
| MoveOnlyInt2& operator=(const MoveOnlyInt2& other) = delete; |
| MoveOnlyInt2(MoveOnlyInt2&& other) : value(other.value) {} |
| MoveOnlyInt2& operator=(MoveOnlyInt2&& other) { |
| value = other.value; |
| return *this; |
| } |
| |
| explicit MoveOnlyInt2(MoveOnlyInt&& other) : value(other.value) {} |
| MoveOnlyInt2& operator=(MoveOnlyInt&& other) { |
| value = other.value; |
| return *this; |
| } |
| |
| int value = kDefaultMoveOnlyIntValue; |
| }; |
| |
| // Test that the default constructor creates a "no error" error. |
| TEST(RTCErrorTest, DefaultConstructor) { |
| RTCError e; |
| EXPECT_EQ(e.type(), RTCErrorType::NONE); |
| EXPECT_STREQ(e.message(), ""); |
| EXPECT_TRUE(e.ok()); |
| } |
| |
| TEST(RTCErrorTest, NormalConstructors) { |
| RTCError a(RTCErrorType::INVALID_PARAMETER); |
| EXPECT_EQ(a.type(), RTCErrorType::INVALID_PARAMETER); |
| EXPECT_STREQ(a.message(), ""); |
| |
| // Constructor that takes const char* message. |
| RTCError b(RTCErrorType::UNSUPPORTED_PARAMETER, "foobar"); |
| EXPECT_EQ(b.type(), RTCErrorType::UNSUPPORTED_PARAMETER); |
| EXPECT_STREQ(b.message(), "foobar"); |
| |
| // Constructor that takes absl::string_view message. |
| RTCError c(RTCErrorType::SYNTAX_ERROR, absl::string_view("baz")); |
| EXPECT_EQ(c.type(), RTCErrorType::SYNTAX_ERROR); |
| EXPECT_STREQ(c.message(), "baz"); |
| |
| // Constructor that takes std::string message. |
| RTCError d(RTCErrorType::INVALID_RANGE, std::string("new")); |
| EXPECT_EQ(d.type(), RTCErrorType::INVALID_RANGE); |
| EXPECT_STREQ(d.message(), "new"); |
| } |
| |
| TEST(RTCErrorTest, MoveConstructor) { |
| // Static string. |
| RTCError a(RTCErrorType::INVALID_PARAMETER, "foo"); |
| RTCError b(std::move(a)); |
| EXPECT_EQ(b.type(), RTCErrorType::INVALID_PARAMETER); |
| EXPECT_STREQ(b.message(), "foo"); |
| |
| // Non-static string. |
| RTCError c(RTCErrorType::UNSUPPORTED_PARAMETER, std::string("bar")); |
| RTCError d(std::move(c)); |
| EXPECT_EQ(d.type(), RTCErrorType::UNSUPPORTED_PARAMETER); |
| EXPECT_STREQ(d.message(), "bar"); |
| } |
| |
| TEST(RTCErrorTest, MoveAssignment) { |
| // Try all combinations of "is static string"/"is non-static string" moves. |
| RTCError e(RTCErrorType::INVALID_PARAMETER, "foo"); |
| |
| e = RTCError(RTCErrorType::UNSUPPORTED_PARAMETER, "bar"); |
| EXPECT_EQ(e.type(), RTCErrorType::UNSUPPORTED_PARAMETER); |
| EXPECT_STREQ(e.message(), "bar"); |
| |
| e = RTCError(RTCErrorType::SYNTAX_ERROR, absl::string_view("baz")); |
| EXPECT_STREQ(e.message(), "baz"); |
| |
| e = RTCError(RTCErrorType::SYNTAX_ERROR, std::string("another")); |
| EXPECT_STREQ(e.message(), "another"); |
| } |
| |
| // Test that the error returned by RTCError::OK() is a "no error" error. |
| TEST(RTCErrorTest, OKConstant) { |
| RTCError ok = RTCError::OK(); |
| EXPECT_EQ(ok.type(), RTCErrorType::NONE); |
| EXPECT_STREQ(ok.message(), ""); |
| EXPECT_TRUE(ok.ok()); |
| } |
| |
| // Test that "error.ok()" behaves as expected. |
| TEST(RTCErrorTest, OkMethod) { |
| RTCError success; |
| RTCError failure(RTCErrorType::INTERNAL_ERROR); |
| EXPECT_TRUE(success.ok()); |
| EXPECT_FALSE(failure.ok()); |
| } |
| |
| // Test that a message can be set using either static const strings or |
| // std::strings. |
| TEST(RTCErrorTest, SetMessage) { |
| RTCError e; |
| e.set_message("foo"); |
| EXPECT_STREQ(e.message(), "foo"); |
| |
| e.set_message(absl::string_view("bar")); |
| EXPECT_STREQ(e.message(), "bar"); |
| |
| e.set_message(std::string("string")); |
| EXPECT_STREQ(e.message(), "string"); |
| } |
| |
| TEST(RTCErrorTest, Stringify) { |
| RTCError e(RTCErrorType::INVALID_PARAMETER, "foo"); |
| EXPECT_EQ(absl::StrCat(e), "INVALID_PARAMETER with message: \"foo\""); |
| } |
| |
| // Test that the default constructor creates an "INTERNAL_ERROR". |
| TEST(RTCErrorOrTest, DefaultConstructor) { |
| RTCErrorOr<MoveOnlyInt> e; |
| EXPECT_EQ(e.error().type(), RTCErrorType::INTERNAL_ERROR); |
| } |
| |
| // Test that an RTCErrorOr can be implicitly constructed from a value. |
| TEST(RTCErrorOrTest, ImplicitValueConstructor) { |
| RTCErrorOr<MoveOnlyInt> e = [] { return MoveOnlyInt(100); }(); |
| EXPECT_EQ(e.value().value, 100); |
| } |
| |
| // Test that an RTCErrorOr can be implicitly constructed from an RTCError. |
| TEST(RTCErrorOrTest, ImplicitErrorConstructor) { |
| RTCErrorOr<MoveOnlyInt> e = [] { |
| return RTCError(RTCErrorType::SYNTAX_ERROR); |
| }(); |
| EXPECT_EQ(e.error().type(), RTCErrorType::SYNTAX_ERROR); |
| } |
| |
| TEST(RTCErrorOrTest, MoveConstructor) { |
| RTCErrorOr<MoveOnlyInt> a(MoveOnlyInt(5)); |
| RTCErrorOr<MoveOnlyInt> b(std::move(a)); |
| EXPECT_EQ(b.value().value, 5); |
| } |
| |
| TEST(RTCErrorOrTest, MoveAssignment) { |
| RTCErrorOr<MoveOnlyInt> a(MoveOnlyInt(5)); |
| RTCErrorOr<MoveOnlyInt> b(MoveOnlyInt(10)); |
| a = std::move(b); |
| EXPECT_EQ(a.value().value, 10); |
| } |
| |
| TEST(RTCErrorOrTest, ConversionConstructor) { |
| RTCErrorOr<MoveOnlyInt> a(MoveOnlyInt(1)); |
| RTCErrorOr<MoveOnlyInt2> b(std::move(a)); |
| } |
| |
| TEST(RTCErrorOrTest, ConversionAssignment) { |
| RTCErrorOr<MoveOnlyInt> a(MoveOnlyInt(5)); |
| RTCErrorOr<MoveOnlyInt2> b(MoveOnlyInt2(10)); |
| b = std::move(a); |
| EXPECT_EQ(b.value().value, 5); |
| } |
| |
| TEST(RTCErrorOrTest, OkMethod) { |
| RTCErrorOr<int> success(1337); |
| RTCErrorOr<int> error = RTCError(RTCErrorType::INTERNAL_ERROR); |
| EXPECT_TRUE(success.ok()); |
| EXPECT_FALSE(error.ok()); |
| } |
| |
| TEST(RTCErrorOrTest, MoveError) { |
| RTCErrorOr<int> e({RTCErrorType::SYNTAX_ERROR, "message"}); |
| RTCError err = e.MoveError(); |
| EXPECT_EQ(err.type(), RTCErrorType::SYNTAX_ERROR); |
| EXPECT_STREQ(err.message(), "message"); |
| } |
| |
| TEST(RTCErrorOrTest, MoveValue) { |
| RTCErrorOr<MoveOnlyInt> e(MoveOnlyInt(88)); |
| MoveOnlyInt value = e.MoveValue(); |
| EXPECT_EQ(value.value, 88); |
| } |
| |
| TEST(RTCErrorOrTest, StringifyWithUnprintableValue) { |
| RTCErrorOr<MoveOnlyInt> e(MoveOnlyInt(1337)); |
| EXPECT_EQ(absl::StrCat(e), "OK"); |
| } |
| |
| TEST(RTCErrorOrTest, StringifyWithStringValue) { |
| RTCErrorOr<absl::string_view> e("foo"); |
| EXPECT_EQ(absl::StrCat(e), "OK with value: foo"); |
| } |
| |
| TEST(RTCErrorOrTest, StringifyWithPrintableValue) { |
| RTCErrorOr<int> e(1337); |
| EXPECT_EQ(absl::StrCat(e), "OK with value: 1337"); |
| } |
| |
| TEST(RTCErrorOrTest, StringifyWithError) { |
| RTCErrorOr<int> e({RTCErrorType::SYNTAX_ERROR, "message"}); |
| EXPECT_EQ(absl::StrCat(e), "SYNTAX_ERROR with message: \"message\""); |
| } |
| |
| // Death tests. |
| // Disabled on Android because death tests misbehave on Android, see |
| // base/test/gtest_util.h. |
| #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
| |
| TEST(RTCErrorOrDeathTest, ConstructWithOkError) { |
| RTCErrorOr<int> err; |
| EXPECT_DEATH(err = RTCError::OK(), ""); |
| } |
| |
| TEST(RTCErrorOrDeathTest, DereferenceErrorValue) { |
| RTCErrorOr<int> error = RTCError(RTCErrorType::INTERNAL_ERROR); |
| EXPECT_DEATH(error.value(), ""); |
| } |
| |
| TEST(RTCErrorOrDeathTest, MoveErrorValue) { |
| RTCErrorOr<int> error = RTCError(RTCErrorType::INTERNAL_ERROR); |
| EXPECT_DEATH(error.MoveValue(), ""); |
| } |
| |
| #endif // RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
| |
| } // namespace |
| } // namespace webrtc |