cannam@147: // Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
cannam@147: // Licensed under the MIT License:
cannam@147: //
cannam@147: // Permission is hereby granted, free of charge, to any person obtaining a copy
cannam@147: // of this software and associated documentation files (the "Software"), to deal
cannam@147: // in the Software without restriction, including without limitation the rights
cannam@147: // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
cannam@147: // copies of the Software, and to permit persons to whom the Software is
cannam@147: // furnished to do so, subject to the following conditions:
cannam@147: //
cannam@147: // The above copyright notice and this permission notice shall be included in
cannam@147: // all copies or substantial portions of the Software.
cannam@147: //
cannam@147: // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
cannam@147: // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
cannam@147: // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
cannam@147: // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
cannam@147: // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
cannam@147: // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
cannam@147: // THE SOFTWARE.
cannam@147: 
cannam@147: #ifndef KJ_COMPAT_GTEST_H_
cannam@147: #define KJ_COMPAT_GTEST_H_
cannam@147: // This file defines compatibility macros converting Google Test tests into KJ tests.
cannam@147: //
cannam@147: // This is only intended to cover the most common functionality. Many tests will likely need
cannam@147: // additional tweaks. For instance:
cannam@147: // - Using operator<< to print information on failure is not supported. Instead, switch to
cannam@147: //   KJ_ASSERT/KJ_EXPECT and pass in stuff to print as additional parameters.
cannam@147: // - Test fixtures are not supported. Allocate your "test fixture" on the stack instead. Do setup
cannam@147: //   in the constructor, teardown in the destructor.
cannam@147: 
cannam@147: #include "../test.h"
cannam@147: 
cannam@147: namespace kj {
cannam@147: 
cannam@147: namespace _ {  // private
cannam@147: 
cannam@147: template <typename T>
cannam@147: T abs(T value) { return value < 0 ? -value : value; }
cannam@147: 
cannam@147: inline bool floatAlmostEqual(float a, float b) {
cannam@147:   return a == b || abs(a - b) < (abs(a) + abs(b)) * 1e-5;
cannam@147: }
cannam@147: 
cannam@147: inline bool doubleAlmostEqual(double a, double b) {
cannam@147:   return a == b || abs(a - b) < (abs(a) + abs(b)) * 1e-12;
cannam@147: }
cannam@147: 
cannam@147: }  // namespace _ (private)
cannam@147: 
cannam@147: #define EXPECT_FALSE(x) KJ_EXPECT(!(x))
cannam@147: #define EXPECT_TRUE(x) KJ_EXPECT(x)
cannam@147: #define EXPECT_EQ(x, y) KJ_EXPECT((x) == (y), x, y)
cannam@147: #define EXPECT_NE(x, y) KJ_EXPECT((x) != (y), x, y)
cannam@147: #define EXPECT_LE(x, y) KJ_EXPECT((x) <= (y), x, y)
cannam@147: #define EXPECT_GE(x, y) KJ_EXPECT((x) >= (y), x, y)
cannam@147: #define EXPECT_LT(x, y) KJ_EXPECT((x) <  (y), x, y)
cannam@147: #define EXPECT_GT(x, y) KJ_EXPECT((x) >  (y), x, y)
cannam@147: #define EXPECT_STREQ(x, y) KJ_EXPECT(::strcmp(x, y) == 0, x, y)
cannam@147: #define EXPECT_FLOAT_EQ(x, y) KJ_EXPECT(::kj::_::floatAlmostEqual(y, x), y, x);
cannam@147: #define EXPECT_DOUBLE_EQ(x, y) KJ_EXPECT(::kj::_::doubleAlmostEqual(y, x), y, x);
cannam@147: 
cannam@147: #define ASSERT_FALSE(x) KJ_ASSERT(!(x))
cannam@147: #define ASSERT_TRUE(x) KJ_ASSERT(x)
cannam@147: #define ASSERT_EQ(x, y) KJ_ASSERT((x) == (y), x, y)
cannam@147: #define ASSERT_NE(x, y) KJ_ASSERT((x) != (y), x, y)
cannam@147: #define ASSERT_LE(x, y) KJ_ASSERT((x) <= (y), x, y)
cannam@147: #define ASSERT_GE(x, y) KJ_ASSERT((x) >= (y), x, y)
cannam@147: #define ASSERT_LT(x, y) KJ_ASSERT((x) <  (y), x, y)
cannam@147: #define ASSERT_GT(x, y) KJ_ASSERT((x) >  (y), x, y)
cannam@147: #define ASSERT_STREQ(x, y) KJ_ASSERT(::strcmp(x, y) == 0, x, y)
cannam@147: #define ASSERT_FLOAT_EQ(x, y) KJ_ASSERT(::kj::_::floatAlmostEqual(y, x), y, x);
cannam@147: #define ASSERT_DOUBLE_EQ(x, y) KJ_ASSERT(::kj::_::doubleAlmostEqual(y, x), y, x);
cannam@147: 
cannam@147: class AddFailureAdapter {
cannam@147: public:
cannam@147:   AddFailureAdapter(const char* file, int line): file(file), line(line) {}
cannam@147: 
cannam@147:   ~AddFailureAdapter() {
cannam@147:     if (!handled) {
cannam@147:       _::Debug::log(file, line, LogSeverity::ERROR, "expectation failed");
cannam@147:     }
cannam@147:   }
cannam@147: 
cannam@147:   template <typename T>
cannam@147:   void operator<<(T&& info) {
cannam@147:     handled = true;
cannam@147:     _::Debug::log(file, line, LogSeverity::ERROR, "\"expectation failed\", info",
cannam@147:                   "expectation failed", kj::fwd<T>(info));
cannam@147:   }
cannam@147: 
cannam@147: private:
cannam@147:   bool handled = false;
cannam@147:   const char* file;
cannam@147:   int line;
cannam@147: };
cannam@147: 
cannam@147: #define ADD_FAILURE() ::kj::AddFailureAdapter(__FILE__, __LINE__)
cannam@147: 
cannam@147: #if KJ_NO_EXCEPTIONS
cannam@147: #define EXPECT_ANY_THROW(code) \
cannam@147:     KJ_EXPECT(::kj::_::expectFatalThrow(nullptr, nullptr, [&]() { code; }))
cannam@147: #else
cannam@147: #define EXPECT_ANY_THROW(code) \
cannam@147:     KJ_EXPECT(::kj::runCatchingExceptions([&]() { code; }) != nullptr)
cannam@147: #endif
cannam@147: 
cannam@147: #define EXPECT_NONFATAL_FAILURE(code) \
cannam@147:   EXPECT_TRUE(kj::runCatchingExceptions([&]() { code; }) != nullptr);
cannam@147: 
cannam@147: #ifdef KJ_DEBUG
cannam@147: #define EXPECT_DEBUG_ANY_THROW EXPECT_ANY_THROW
cannam@147: #else
cannam@147: #define EXPECT_DEBUG_ANY_THROW(EXP)
cannam@147: #endif
cannam@147: 
cannam@147: #define TEST(x, y) KJ_TEST("legacy test: " #x "/" #y)
cannam@147: 
cannam@147: }  // namespace kj
cannam@147: 
cannam@147: #endif  // KJ_COMPAT_GTEST_H_