60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ortools/base/strtoint.h"
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#include <limits>
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#include <string>
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#include "gtest/gtest.h"
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#include "ortools/base/types.h"
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namespace operations_research {
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TEST(StrutilTest, StrtoFunctions) {
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// 64-bit conversions are pass-through on all current platforms
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EXPECT_EQ(0, strtoint64("0"));
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EXPECT_EQ(std::numeric_limits<int64_t>::max(),
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strtoint64("9223372036854775807"));
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EXPECT_EQ(std::numeric_limits<int64_t>::min(),
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strtoint64("-9223372036854775808"));
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// safe signed 32-bit conversions within 32-bit range
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EXPECT_EQ(0, strtoint32("0"));
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EXPECT_EQ(std::numeric_limits<int32_t>::max(), strtoint32("2147483647"));
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EXPECT_EQ(std::numeric_limits<int32_t>::min(), strtoint32("-2147483648"));
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}
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TEST(StrutilTest, AtoiFunctions) {
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// basic atoi32/64 functions, including checks for overflow equivalency
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// even in invalid conversions
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EXPECT_EQ(0, atoi64("0"));
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EXPECT_EQ(12345, atoi64("12345"));
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EXPECT_EQ(-12345, atoi64("-12345"));
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EXPECT_EQ(std::numeric_limits<int64_t>::max(), atoi64("9223372036854775807"));
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EXPECT_EQ(std::numeric_limits<int64_t>::min(),
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atoi64("-9223372036854775808"));
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EXPECT_EQ(0, atoi32("0"));
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EXPECT_EQ(12345, atoi32("12345"));
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EXPECT_EQ(-12345, atoi32("-12345"));
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EXPECT_EQ(std::numeric_limits<int32_t>::max(), atoi32("2147483647"));
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EXPECT_EQ(std::numeric_limits<int32_t>::min(), atoi32("-2147483648"));
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}
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} // namespace operations_research
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