| // Copyright 2014 The Crashpad Authors. All rights reserved. |
| // |
| // 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 "util/stdlib/string_number_conversion.h" |
| |
| #include <sys/types.h> |
| |
| #include <array> |
| #include <limits> |
| #include <type_traits> |
| |
| #include "base/stl_util.h" |
| #include "gtest/gtest.h" |
| |
| #define STRINGIFY(a) STR(a) |
| #define STR(a) #a |
| |
| template <typename TValueType> |
| struct TestSpecification { |
| const char* string; |
| bool valid; |
| TValueType value; |
| }; |
| |
| // Signed 32-bit test data |
| template <typename TIntType, |
| typename std::enable_if<std::is_integral<TIntType>::value && |
| std::is_signed<TIntType>::value && |
| (sizeof(TIntType) == 4)>::type* = nullptr> |
| static constexpr std::array<TestSpecification<TIntType>, 61> kTestDataFunc() { |
| return {{ |
| {"", false, 0}, |
| {"0", true, 0}, |
| {"1", true, 1}, |
| {"2147483647", true, std::numeric_limits<TIntType>::max()}, |
| {"2147483648", false, 0}, |
| {"4294967295", false, 0}, |
| {"4294967296", false, 0}, |
| {"-1", true, -1}, |
| {"-2147483648", true, std::numeric_limits<TIntType>::min()}, |
| {"-2147483649", false, 0}, |
| {"00", true, 0}, |
| {"01", true, 1}, |
| {"-01", true, -1}, |
| {"+2", true, 2}, |
| {"0x10", true, 16}, |
| {"-0x10", true, -16}, |
| {"+0x20", true, 32}, |
| {"0xf", true, 15}, |
| {"0xg", false, 0}, |
| {"0x7fffffff", true, std::numeric_limits<TIntType>::max()}, |
| {"0x7FfFfFfF", true, std::numeric_limits<TIntType>::max()}, |
| {"0x80000000", false, 0}, |
| {"0xFFFFFFFF", false, 0}, |
| {"-0x7fffffff", true, -2147483647}, |
| {"-0x80000000", true, std::numeric_limits<TIntType>::min()}, |
| {"-0x80000001", false, 0}, |
| {"-0xffffffff", false, 0}, |
| {"0x100000000", false, 0}, |
| {"0xabcdef", true, 11259375}, |
| {"010", true, 8}, |
| {"-010", true, -8}, |
| {"+020", true, 16}, |
| {"07", true, 7}, |
| {"08", false, 0}, |
| {" 0", false, 0}, |
| {"0 ", false, 0}, |
| {" 0 ", false, 0}, |
| {" 1", false, 0}, |
| {"1 ", false, 0}, |
| {" 1 ", false, 0}, |
| {"a2", false, 0}, |
| {"2a", false, 0}, |
| {"2a2", false, 0}, |
| {".0", false, 0}, |
| {".1", false, 0}, |
| {"-.2", false, 0}, |
| {"+.3", false, 0}, |
| {"1.23", false, 0}, |
| {"-273.15", false, 0}, |
| {"+98.6", false, 0}, |
| {"1e1", false, 0}, |
| {"1E1", false, 0}, |
| {"0x123p4", false, 0}, |
| {"infinity", false, 0}, |
| {"NaN", false, 0}, |
| {"-9223372036854775810", false, 0}, |
| {"-9223372036854775809", false, 0}, |
| {"9223372036854775808", false, 0}, |
| {"9223372036854775809", false, 0}, |
| {"18446744073709551615", false, 0}, |
| {"18446744073709551616", false, 0}, |
| }}; |
| } |
| |
| // Unsigned 32-bit test data |
| template <typename TIntType, |
| typename std::enable_if<std::is_integral<TIntType>::value && |
| !std::is_signed<TIntType>::value && |
| (sizeof(TIntType) == 4)>::type* = nullptr> |
| static constexpr std::array<TestSpecification<TIntType>, 61> kTestDataFunc() { |
| return {{ |
| {"", false, 0}, |
| {"0", true, 0}, |
| {"1", true, 1}, |
| {"2147483647", true, 2147483647}, |
| {"2147483648", true, 2147483648}, |
| {"4294967295", true, std::numeric_limits<TIntType>::max()}, |
| {"4294967296", false, 0}, |
| {"-1", false, 0}, |
| {"-2147483648", false, 0}, |
| {"-2147483649", false, 0}, |
| {"00", true, 0}, |
| {"01", true, 1}, |
| {"-01", false, 0}, |
| {"+2", true, 2}, |
| {"0x10", true, 16}, |
| {"-0x10", false, 0}, |
| {"+0x20", true, 32}, |
| {"0xf", true, 15}, |
| {"0xg", false, 0}, |
| {"0x7fffffff", true, 0x7fffffff}, |
| {"0x7FfFfFfF", true, 0x7fffffff}, |
| {"0x80000000", true, 0x80000000}, |
| {"0xFFFFFFFF", true, 0xffffffff}, |
| {"-0x7fffffff", false, 0}, |
| {"-0x80000000", false, 0}, |
| {"-0x80000001", false, 0}, |
| {"-0xffffffff", false, 0}, |
| {"0x100000000", false, 0}, |
| {"0xabcdef", true, 11259375}, |
| {"010", true, 8}, |
| {"-010", false, 0}, |
| {"+020", true, 16}, |
| {"07", true, 7}, |
| {"08", false, 0}, |
| {" 0", false, 0}, |
| {"0 ", false, 0}, |
| {" 0 ", false, 0}, |
| {" 1", false, 0}, |
| {"1 ", false, 0}, |
| {" 1 ", false, 0}, |
| {"a2", false, 0}, |
| {"2a", false, 0}, |
| {"2a2", false, 0}, |
| {".0", false, 0}, |
| {".1", false, 0}, |
| {"-.2", false, 0}, |
| {"+.3", false, 0}, |
| {"1.23", false, 0}, |
| {"-273.15", false, 0}, |
| {"+98.6", false, 0}, |
| {"1e1", false, 0}, |
| {"1E1", false, 0}, |
| {"0x123p4", false, 0}, |
| {"infinity", false, 0}, |
| {"NaN", false, 0}, |
| {"-9223372036854775810", false, 0}, |
| {"-9223372036854775809", false, 0}, |
| {"9223372036854775808", false, 0}, |
| {"9223372036854775809", false, 0}, |
| {"18446744073709551615", false, 0}, |
| {"18446744073709551616", false, 0}, |
| }}; |
| } |
| |
| // Signed 64-bit test data |
| template <typename TIntType, |
| typename std::enable_if<std::is_integral<TIntType>::value && |
| std::is_signed<TIntType>::value && |
| (sizeof(TIntType) == 8)>::type* = nullptr> |
| static constexpr std::array<TestSpecification<TIntType>, 24> kTestDataFunc() { |
| return {{ |
| {"", false, 0}, |
| {"0", true, 0}, |
| {"1", true, 1}, |
| {"2147483647", true, 2147483647}, |
| {"2147483648", true, 2147483648}, |
| {"4294967295", true, 4294967295}, |
| {"4294967296", true, 4294967296}, |
| {"9223372036854775807", true, std::numeric_limits<TIntType>::max()}, |
| {"9223372036854775808", false, 0}, |
| {"18446744073709551615", false, 0}, |
| {"18446744073709551616", false, 0}, |
| {"-1", true, -1}, |
| {"-2147483648", true, INT64_C(-2147483648)}, |
| {"-2147483649", true, INT64_C(-2147483649)}, |
| {"-9223372036854775808", true, std::numeric_limits<TIntType>::min()}, |
| {"-9223372036854775809", false, 0}, |
| {"0x7fffffffffffffff", true, std::numeric_limits<TIntType>::max()}, |
| {"0x8000000000000000", false, 0}, |
| {"0xffffffffffffffff", false, 0}, |
| {"0x10000000000000000", false, 0}, |
| {"-0x7fffffffffffffff", true, -9223372036854775807}, |
| {"-0x8000000000000000", true, std::numeric_limits<TIntType>::min()}, |
| {"-0x8000000000000001", false, 0}, |
| {"0x7Fffffffffffffff", true, std::numeric_limits<TIntType>::max()}, |
| }}; |
| } |
| |
| // Unsigned 64-bit test data |
| template <typename TIntType, |
| typename std::enable_if<std::is_integral<TIntType>::value && |
| !std::is_signed<TIntType>::value && |
| (sizeof(TIntType) == 8)>::type* = nullptr> |
| static constexpr std::array<TestSpecification<TIntType>, 25> kTestDataFunc() { |
| return {{ |
| {"", false, 0}, |
| {"0", true, 0}, |
| {"1", true, 1}, |
| {"2147483647", true, 2147483647}, |
| {"2147483648", true, 2147483648}, |
| {"4294967295", true, 4294967295}, |
| {"4294967296", true, 4294967296}, |
| {"9223372036854775807", true, 9223372036854775807}, |
| {"9223372036854775808", true, 9223372036854775808u}, |
| {"18446744073709551615", true, std::numeric_limits<TIntType>::max()}, |
| {"18446744073709551616", false, 0}, |
| {"-1", false, 0}, |
| {"-2147483648", false, 0}, |
| {"-2147483649", false, 0}, |
| {"-2147483648", false, 0}, |
| {"-9223372036854775808", false, 0}, |
| {"-9223372036854775809", false, 0}, |
| {"0x7fffffffffffffff", true, 9223372036854775807}, |
| {"0x8000000000000000", true, 9223372036854775808u}, |
| {"0xffffffffffffffff", true, std::numeric_limits<TIntType>::max()}, |
| {"0x10000000000000000", false, 0}, |
| {"-0x7fffffffffffffff", false, 0}, |
| {"-0x8000000000000000", false, 0}, |
| {"-0x8000000000000001", false, 0}, |
| {"0xFfffffffffffffff", true, std::numeric_limits<TIntType>::max()}, |
| }}; |
| } |
| |
| // This string is split to avoid MSVC warning: |
| // "decimal digit terminates octal escape sequence". |
| static constexpr char kEmbeddedNullInputRaw[] = "6\000" "6"; |
| |
| namespace crashpad { |
| namespace test { |
| namespace { |
| |
| TEST(StringNumberConversion, StringToInt) { |
| static_assert(sizeof(int) == 4, "Test only configured for 32-bit int."); |
| static constexpr auto kTestData = kTestDataFunc<int>(); |
| |
| for (size_t index = 0; index < kTestData.size(); ++index) { |
| int value; |
| bool valid = StringToNumber(kTestData[index].string, &value); |
| if (kTestData[index].valid) { |
| EXPECT_TRUE(valid) << "index " << index << ", string " |
| << kTestData[index].string; |
| if (valid) { |
| EXPECT_EQ(value, kTestData[index].value) |
| << "index " << index << ", string " << kTestData[index].string; |
| } |
| } else { |
| EXPECT_FALSE(valid) << "index " << index << ", string " |
| << kTestData[index].string << ", value " << value; |
| } |
| } |
| |
| // Ensure that embedded NUL characters are treated as bad input. The string |
| // is split to avoid MSVC warning: |
| // "decimal digit terminates octal escape sequence". |
| int output; |
| std::string kEmbeddedNullInput(kEmbeddedNullInputRaw, |
| base::size(kEmbeddedNullInputRaw) - 1); |
| EXPECT_FALSE(StringToNumber(kEmbeddedNullInput, &output)); |
| } |
| |
| TEST(StringNumberConversion, StringToUnsignedInt) { |
| static_assert(sizeof(unsigned int) == 4, |
| "Test only configured for 32-bit unsigned int."); |
| static constexpr auto kTestData = kTestDataFunc<unsigned int>(); |
| |
| for (size_t index = 0; index < kTestData.size(); ++index) { |
| unsigned int value; |
| bool valid = StringToNumber(kTestData[index].string, &value); |
| if (kTestData[index].valid) { |
| EXPECT_TRUE(valid) << "index " << index << ", string " |
| << kTestData[index].string; |
| if (valid) { |
| EXPECT_EQ(value, kTestData[index].value) |
| << "index " << index << ", string " << kTestData[index].string; |
| } |
| } else { |
| EXPECT_FALSE(valid) << "index " << index << ", string " |
| << kTestData[index].string << ", value " << value; |
| } |
| } |
| |
| // Ensure that embedded NUL characters are treated as bad input. The string |
| // is split to avoid MSVC warning: |
| // "decimal digit terminates octal escape sequence". |
| unsigned int output; |
| std::string kEmbeddedNullInput(kEmbeddedNullInputRaw, |
| base::size(kEmbeddedNullInputRaw) - 1); |
| EXPECT_FALSE(StringToNumber(kEmbeddedNullInput, &output)); |
| } |
| |
| TEST(StringNumberConversion, StringToLong) { |
| static_assert( |
| sizeof(long) == 4 || sizeof(long) == 8, |
| "Test not configured for " STRINGIFY(__SIZEOF_LONG__) "-byte long"); |
| static constexpr auto kTestData = kTestDataFunc<long>(); |
| |
| for (size_t index = 0; index < kTestData.size(); ++index) { |
| long value; |
| bool valid = StringToNumber(kTestData[index].string, &value); |
| if (kTestData[index].valid) { |
| EXPECT_TRUE(valid) << "index " << index << ", string " |
| << kTestData[index].string; |
| if (valid) { |
| EXPECT_EQ(value, kTestData[index].value) |
| << "index " << index << ", string " << kTestData[index].string; |
| } |
| } else { |
| EXPECT_FALSE(valid) << "index " << index << ", string " |
| << kTestData[index].string << ", value " << value; |
| } |
| } |
| } |
| |
| TEST(StringNumberConversion, StringToUnsignedLong) { |
| static_assert( |
| sizeof(long) == 4 || sizeof(long) == 8, |
| "Test not configured for " STRINGIFY(__SIZEOF_LONG__) "-byte long"); |
| static constexpr auto kTestData = kTestDataFunc<unsigned long>(); |
| |
| for (size_t index = 0; index < kTestData.size(); ++index) { |
| unsigned long value; |
| bool valid = StringToNumber(kTestData[index].string, &value); |
| if (kTestData[index].valid) { |
| EXPECT_TRUE(valid) << "index " << index << ", string " |
| << kTestData[index].string; |
| if (valid) { |
| EXPECT_EQ(value, kTestData[index].value) |
| << "index " << index << ", string " << kTestData[index].string; |
| } |
| } else { |
| EXPECT_FALSE(valid) << "index " << index << ", string " |
| << kTestData[index].string << ", value " << value; |
| } |
| } |
| } |
| |
| TEST(StringNumberConversion, StringToLongLong) { |
| static_assert(sizeof(long long) == 8, |
| "Test only configured for 64-bit long long."); |
| static constexpr auto kTestData = kTestDataFunc<long long>(); |
| |
| for (size_t index = 0; index < kTestData.size(); ++index) { |
| long long value; |
| bool valid = StringToNumber(kTestData[index].string, &value); |
| if (kTestData[index].valid) { |
| EXPECT_TRUE(valid) << "index " << index << ", string " |
| << kTestData[index].string; |
| if (valid) { |
| EXPECT_EQ(value, kTestData[index].value) |
| << "index " << index << ", string " << kTestData[index].string; |
| } |
| } else { |
| EXPECT_FALSE(valid) << "index " << index << ", string " |
| << kTestData[index].string << ", value " << value; |
| } |
| } |
| } |
| |
| TEST(StringNumberConversion, StringToUnsignedLongLong) { |
| static_assert(sizeof(unsigned long long) == 8, |
| "Test only configured for 64-bit unsigned long long."); |
| static constexpr auto kTestData = kTestDataFunc<unsigned long long>(); |
| |
| for (size_t index = 0; index < kTestData.size(); ++index) { |
| unsigned long long value; |
| bool valid = StringToNumber(kTestData[index].string, &value); |
| if (kTestData[index].valid) { |
| EXPECT_TRUE(valid) << "index " << index << ", string " |
| << kTestData[index].string; |
| if (valid) { |
| EXPECT_EQ(value, kTestData[index].value) |
| << "index " << index << ", string " << kTestData[index].string; |
| } |
| } else { |
| EXPECT_FALSE(valid) << "index " << index << ", string " |
| << kTestData[index].string << ", value " << value; |
| } |
| } |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace crashpad |
