| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <limits> |
| |
| #include <gtest/gtest.h> |
| |
| #include <stout/gtest.hpp> |
| #include <stout/numify.hpp> |
| |
| |
| TEST(NumifyTest, DecNumberTest) |
| { |
| Try<unsigned int> num1 = numify<unsigned int>("10"); |
| EXPECT_SOME_EQ(10u, num1); |
| |
| Try<int> num2 = numify<int>("-10"); |
| EXPECT_SOME_EQ(-10, num2); |
| |
| // `numify<T>` does not return an error if T is an unsigned integral |
| // type and the input is a negative number; rather, it returns the |
| // result of casting the numeric input value to T. |
| Try<unsigned int> num3 = numify<unsigned int>("-1"); |
| EXPECT_SOME_EQ(std::numeric_limits<unsigned int>::max(), num3); |
| |
| EXPECT_ERROR(numify<unsigned int>("")); |
| EXPECT_ERROR(numify<int>("-10.")); |
| EXPECT_ERROR(numify<unsigned int>("123xyz")); |
| } |
| |
| |
| TEST(NumifyTest, HexNumberTest) |
| { |
| Try<unsigned int> num1 = numify<unsigned int>("0xdeadbeef"); |
| EXPECT_SOME_EQ(0xdeadbeefu, num1); |
| |
| Try<unsigned int> num2 = numify<unsigned int>("0x10"); |
| EXPECT_SOME_EQ(16u, num2); |
| |
| // Keep it consistent with the handling of non-hex numbers. |
| Try<int> num3 = numify<int>("-0x10"); |
| EXPECT_SOME_EQ(-0x10, num3); |
| |
| EXPECT_ERROR(numify<unsigned int>("")); |
| EXPECT_ERROR(numify<unsigned int>("0xxyz")); |
| EXPECT_ERROR(numify<unsigned int>("abc")); |
| EXPECT_ERROR(numify<unsigned int>("0x0x1")); |
| EXPECT_ERROR(numify<double>("0x10.9")); |
| EXPECT_ERROR(numify<double>("0x1p-5")); |
| } |