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abseil-cpp/absl/flags/marshalling_test.cc

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//
// Copyright 2019 The Abseil Authors.
//
// 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
//
// https://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 "absl/flags/marshalling.h"
#include <stdint.h>
#include <cmath>
#include <limits>
#include <string>
#include <vector>
#include "gtest/gtest.h"
namespace {
TEST(MarshallingTest, TestBoolParsing) {
std::string err;
bool value;
// True values.
EXPECT_TRUE(absl::ParseFlag("True", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("true", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("TRUE", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("Yes", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("yes", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("YES", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("t", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("T", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("y", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("Y", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_TRUE(value);
// False values.
EXPECT_TRUE(absl::ParseFlag("False", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("false", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("FALSE", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("No", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("no", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("NO", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("f", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("F", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("n", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("N", &value, &err));
EXPECT_FALSE(value);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_FALSE(value);
// Whitespace handling.
EXPECT_TRUE(absl::ParseFlag(" true", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag("true ", &value, &err));
EXPECT_TRUE(value);
EXPECT_TRUE(absl::ParseFlag(" true ", &value, &err));
EXPECT_TRUE(value);
// Invalid input.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2", &value, &err));
EXPECT_FALSE(absl::ParseFlag("11", &value, &err));
EXPECT_FALSE(absl::ParseFlag("tt", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestInt16Parsing) {
std::string err;
int16_t value;
// Decimal values.
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("-1", &value, &err));
EXPECT_EQ(value, -1);
EXPECT_TRUE(absl::ParseFlag("123", &value, &err));
EXPECT_EQ(value, 123);
EXPECT_TRUE(absl::ParseFlag("-18765", &value, &err));
EXPECT_EQ(value, -18765);
EXPECT_TRUE(absl::ParseFlag("+3", &value, &err));
EXPECT_EQ(value, 3);
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("-001", &value, &err));
EXPECT_EQ(value, -1);
EXPECT_TRUE(absl::ParseFlag("0000100", &value, &err));
EXPECT_EQ(value, 100);
// Hex values.
EXPECT_TRUE(absl::ParseFlag("0x10", &value, &err));
EXPECT_EQ(value, 16);
EXPECT_TRUE(absl::ParseFlag("0X234", &value, &err));
EXPECT_EQ(value, 564);
// TODO(rogeeff): fix below validations
EXPECT_FALSE(absl::ParseFlag("-0x7FFD", &value, &err));
EXPECT_NE(value, -3);
EXPECT_FALSE(absl::ParseFlag("+0x31", &value, &err));
EXPECT_NE(value, 49);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10 ", &value, &err));
EXPECT_EQ(value, 10);
EXPECT_TRUE(absl::ParseFlag(" 11", &value, &err));
EXPECT_EQ(value, 11);
EXPECT_TRUE(absl::ParseFlag(" 012 ", &value, &err));
EXPECT_EQ(value, 12);
EXPECT_TRUE(absl::ParseFlag(" 0x22 ", &value, &err));
EXPECT_EQ(value, 34);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("40000", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2U", &value, &err));
EXPECT_FALSE(absl::ParseFlag("FFF", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestUint16Parsing) {
std::string err;
uint16_t value;
// Decimal values.
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("123", &value, &err));
EXPECT_EQ(value, 123);
EXPECT_TRUE(absl::ParseFlag("+3", &value, &err));
EXPECT_EQ(value, 3);
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("001", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0000100", &value, &err));
EXPECT_EQ(value, 100);
// Hex values.
EXPECT_TRUE(absl::ParseFlag("0x10", &value, &err));
EXPECT_EQ(value, 16);
EXPECT_TRUE(absl::ParseFlag("0X234", &value, &err));
EXPECT_EQ(value, 564);
// TODO(rogeeff): fix below validations
EXPECT_FALSE(absl::ParseFlag("+0x31", &value, &err));
EXPECT_NE(value, 49);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10 ", &value, &err));
EXPECT_EQ(value, 10);
EXPECT_TRUE(absl::ParseFlag(" 11", &value, &err));
EXPECT_EQ(value, 11);
EXPECT_TRUE(absl::ParseFlag(" 012 ", &value, &err));
EXPECT_EQ(value, 12);
EXPECT_TRUE(absl::ParseFlag(" 0x22 ", &value, &err));
EXPECT_EQ(value, 34);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("70000", &value, &err));
EXPECT_FALSE(absl::ParseFlag("-1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2U", &value, &err));
EXPECT_FALSE(absl::ParseFlag("FFF", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestInt32Parsing) {
std::string err;
int32_t value;
// Decimal values.
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("-1", &value, &err));
EXPECT_EQ(value, -1);
EXPECT_TRUE(absl::ParseFlag("123", &value, &err));
EXPECT_EQ(value, 123);
EXPECT_TRUE(absl::ParseFlag("-98765", &value, &err));
EXPECT_EQ(value, -98765);
EXPECT_TRUE(absl::ParseFlag("+3", &value, &err));
EXPECT_EQ(value, 3);
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("-001", &value, &err));
EXPECT_EQ(value, -1);
EXPECT_TRUE(absl::ParseFlag("0000100", &value, &err));
EXPECT_EQ(value, 100);
// Hex values.
EXPECT_TRUE(absl::ParseFlag("0x10", &value, &err));
EXPECT_EQ(value, 16);
EXPECT_TRUE(absl::ParseFlag("0X234", &value, &err));
EXPECT_EQ(value, 564);
// TODO(rogeeff): fix below validations
EXPECT_FALSE(absl::ParseFlag("-0x7FFFFFFD", &value, &err));
EXPECT_NE(value, -3);
EXPECT_FALSE(absl::ParseFlag("+0x31", &value, &err));
EXPECT_NE(value, 49);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10 ", &value, &err));
EXPECT_EQ(value, 10);
EXPECT_TRUE(absl::ParseFlag(" 11", &value, &err));
EXPECT_EQ(value, 11);
EXPECT_TRUE(absl::ParseFlag(" 012 ", &value, &err));
EXPECT_EQ(value, 12);
EXPECT_TRUE(absl::ParseFlag(" 0x22 ", &value, &err));
EXPECT_EQ(value, 34);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("70000000000", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2U", &value, &err));
EXPECT_FALSE(absl::ParseFlag("FFF", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestUint32Parsing) {
std::string err;
uint32_t value;
// Decimal values.
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("123", &value, &err));
EXPECT_EQ(value, 123);
EXPECT_TRUE(absl::ParseFlag("+3", &value, &err));
EXPECT_EQ(value, 3);
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0000100", &value, &err));
EXPECT_EQ(value, 100);
// Hex values.
EXPECT_TRUE(absl::ParseFlag("0x10", &value, &err));
EXPECT_EQ(value, 16);
EXPECT_TRUE(absl::ParseFlag("0X234", &value, &err));
EXPECT_EQ(value, 564);
EXPECT_TRUE(absl::ParseFlag("0xFFFFFFFD", &value, &err));
EXPECT_EQ(value, 4294967293);
// TODO(rogeeff): fix below validations
EXPECT_FALSE(absl::ParseFlag("+0x31", &value, &err));
EXPECT_NE(value, 49);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10 ", &value, &err));
EXPECT_EQ(value, 10);
EXPECT_TRUE(absl::ParseFlag(" 11", &value, &err));
EXPECT_EQ(value, 11);
EXPECT_TRUE(absl::ParseFlag(" 012 ", &value, &err));
EXPECT_EQ(value, 12);
EXPECT_TRUE(absl::ParseFlag(" 0x22 ", &value, &err));
EXPECT_EQ(value, 34);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("140000000000", &value, &err));
EXPECT_FALSE(absl::ParseFlag("-1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2U", &value, &err));
EXPECT_FALSE(absl::ParseFlag("FFF", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestInt64Parsing) {
std::string err;
int64_t value;
// Decimal values.
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("-1", &value, &err));
EXPECT_EQ(value, -1);
EXPECT_TRUE(absl::ParseFlag("123", &value, &err));
EXPECT_EQ(value, 123);
EXPECT_TRUE(absl::ParseFlag("-98765", &value, &err));
EXPECT_EQ(value, -98765);
EXPECT_TRUE(absl::ParseFlag("+3", &value, &err));
EXPECT_EQ(value, 3);
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("001", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0000100", &value, &err));
EXPECT_EQ(value, 100);
// Hex values.
EXPECT_TRUE(absl::ParseFlag("0x10", &value, &err));
EXPECT_EQ(value, 16);
EXPECT_TRUE(absl::ParseFlag("0XFFFAAABBBCCCDDD", &value, &err));
EXPECT_EQ(value, 1152827684197027293);
// TODO(rogeeff): fix below validation
EXPECT_FALSE(absl::ParseFlag("-0x7FFFFFFFFFFFFFFE", &value, &err));
EXPECT_NE(value, -2);
EXPECT_FALSE(absl::ParseFlag("+0x31", &value, &err));
EXPECT_NE(value, 49);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10 ", &value, &err));
EXPECT_EQ(value, 10);
EXPECT_TRUE(absl::ParseFlag(" 11", &value, &err));
EXPECT_EQ(value, 11);
EXPECT_TRUE(absl::ParseFlag(" 012 ", &value, &err));
EXPECT_EQ(value, 12);
EXPECT_TRUE(absl::ParseFlag(" 0x7F ", &value, &err));
EXPECT_EQ(value, 127);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("0xFFFFFFFFFFFFFFFFFF", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2U", &value, &err));
EXPECT_FALSE(absl::ParseFlag("FFF", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestUInt64Parsing) {
std::string err;
uint64_t value;
// Decimal values.
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0", &value, &err));
EXPECT_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("123", &value, &err));
EXPECT_EQ(value, 123);
EXPECT_TRUE(absl::ParseFlag("+13", &value, &err));
EXPECT_EQ(value, 13);
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("001", &value, &err));
EXPECT_EQ(value, 1);
EXPECT_TRUE(absl::ParseFlag("0000300", &value, &err));
EXPECT_EQ(value, 300);
// Hex values.
EXPECT_TRUE(absl::ParseFlag("0x10", &value, &err));
EXPECT_EQ(value, 16);
EXPECT_TRUE(absl::ParseFlag("0XFFFF", &value, &err));
EXPECT_EQ(value, 65535);
// TODO(rogeeff): fix below validation
EXPECT_FALSE(absl::ParseFlag("+0x31", &value, &err));
EXPECT_NE(value, 49);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10 ", &value, &err));
EXPECT_EQ(value, 10);
EXPECT_TRUE(absl::ParseFlag(" 11", &value, &err));
EXPECT_EQ(value, 11);
EXPECT_TRUE(absl::ParseFlag(" 012 ", &value, &err));
EXPECT_EQ(value, 12);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("0xFFFFFFFFFFFFFFFFFF", &value, &err));
EXPECT_FALSE(absl::ParseFlag("-1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2U", &value, &err));
EXPECT_FALSE(absl::ParseFlag("FFF", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestFloatParsing) {
std::string err;
float value;
// Ordinary values.
EXPECT_TRUE(absl::ParseFlag("1.3", &value, &err));
EXPECT_FLOAT_EQ(value, 1.3f);
EXPECT_TRUE(absl::ParseFlag("-0.1", &value, &err));
EXPECT_DOUBLE_EQ(value, -0.1f);
EXPECT_TRUE(absl::ParseFlag("+0.01", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.01f);
// Scientific values.
EXPECT_TRUE(absl::ParseFlag("1.2e3", &value, &err));
EXPECT_DOUBLE_EQ(value, 1.2e3f);
EXPECT_TRUE(absl::ParseFlag("9.8765402e-37", &value, &err));
EXPECT_DOUBLE_EQ(value, 9.8765402e-37f);
EXPECT_TRUE(absl::ParseFlag("0.11e+3", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.11e+3f);
EXPECT_TRUE(absl::ParseFlag("1.e-2300", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.f);
EXPECT_TRUE(absl::ParseFlag("1.e+2300", &value, &err));
EXPECT_TRUE(std::isinf(value));
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01.6", &value, &err));
EXPECT_DOUBLE_EQ(value, 1.6f);
EXPECT_TRUE(absl::ParseFlag("000.0001", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.0001f);
// Trailing zero values.
EXPECT_TRUE(absl::ParseFlag("-5.1000", &value, &err));
EXPECT_DOUBLE_EQ(value, -5.1f);
// Exceptional values.
EXPECT_TRUE(absl::ParseFlag("NaN", &value, &err));
EXPECT_TRUE(std::isnan(value));
EXPECT_TRUE(absl::ParseFlag("Inf", &value, &err));
EXPECT_TRUE(std::isinf(value));
// Hex values
EXPECT_TRUE(absl::ParseFlag("0x10.23p12", &value, &err));
EXPECT_DOUBLE_EQ(value, 66096.f);
EXPECT_TRUE(absl::ParseFlag("-0xF1.A3p-2", &value, &err));
EXPECT_NEAR(value, -60.4092f, 5e-5f);
EXPECT_TRUE(absl::ParseFlag("+0x0.0AAp-12", &value, &err));
EXPECT_NEAR(value, 1.01328e-05f, 5e-11f);
EXPECT_TRUE(absl::ParseFlag("0x.01p1", &value, &err));
EXPECT_NEAR(value, 0.0078125f, 5e-8f);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10.1 ", &value, &err));
EXPECT_DOUBLE_EQ(value, 10.1f);
EXPECT_TRUE(absl::ParseFlag(" 2.34", &value, &err));
EXPECT_DOUBLE_EQ(value, 2.34f);
EXPECT_TRUE(absl::ParseFlag(" 5.7 ", &value, &err));
EXPECT_DOUBLE_EQ(value, 5.7f);
EXPECT_TRUE(absl::ParseFlag(" -0xE0.F3p01 ", &value, &err));
EXPECT_NEAR(value, -449.8984375f, 5e-8f);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2.3xxx", &value, &err));
EXPECT_FALSE(absl::ParseFlag("0x0.1pAA", &value, &err));
// TODO(rogeeff): below assertion should fail
EXPECT_TRUE(absl::ParseFlag("0x0.1", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestDoubleParsing) {
std::string err;
double value;
// Ordinary values.
EXPECT_TRUE(absl::ParseFlag("1.3", &value, &err));
EXPECT_DOUBLE_EQ(value, 1.3);
EXPECT_TRUE(absl::ParseFlag("-0.1", &value, &err));
EXPECT_DOUBLE_EQ(value, -0.1);
EXPECT_TRUE(absl::ParseFlag("+0.01", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.01);
// Scientific values.
EXPECT_TRUE(absl::ParseFlag("1.2e3", &value, &err));
EXPECT_DOUBLE_EQ(value, 1.2e3);
EXPECT_TRUE(absl::ParseFlag("9.00000002e-123", &value, &err));
EXPECT_DOUBLE_EQ(value, 9.00000002e-123);
EXPECT_TRUE(absl::ParseFlag("0.11e+3", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.11e+3);
EXPECT_TRUE(absl::ParseFlag("1.e-2300", &value, &err));
EXPECT_DOUBLE_EQ(value, 0);
EXPECT_TRUE(absl::ParseFlag("1.e+2300", &value, &err));
EXPECT_TRUE(std::isinf(value));
// Leading zero values.
EXPECT_TRUE(absl::ParseFlag("01.6", &value, &err));
EXPECT_DOUBLE_EQ(value, 1.6);
EXPECT_TRUE(absl::ParseFlag("000.0001", &value, &err));
EXPECT_DOUBLE_EQ(value, 0.0001);
// Trailing zero values.
EXPECT_TRUE(absl::ParseFlag("-5.1000", &value, &err));
EXPECT_DOUBLE_EQ(value, -5.1);
// Exceptional values.
EXPECT_TRUE(absl::ParseFlag("NaN", &value, &err));
EXPECT_TRUE(std::isnan(value));
EXPECT_TRUE(absl::ParseFlag("nan", &value, &err));
EXPECT_TRUE(std::isnan(value));
EXPECT_TRUE(absl::ParseFlag("Inf", &value, &err));
EXPECT_TRUE(std::isinf(value));
EXPECT_TRUE(absl::ParseFlag("inf", &value, &err));
EXPECT_TRUE(std::isinf(value));
// Hex values
EXPECT_TRUE(absl::ParseFlag("0x10.23p12", &value, &err));
EXPECT_DOUBLE_EQ(value, 66096);
EXPECT_TRUE(absl::ParseFlag("-0xF1.A3p-2", &value, &err));
EXPECT_NEAR(value, -60.4092, 5e-5);
EXPECT_TRUE(absl::ParseFlag("+0x0.0AAp-12", &value, &err));
EXPECT_NEAR(value, 1.01328e-05, 5e-11);
EXPECT_TRUE(absl::ParseFlag("0x.01p1", &value, &err));
EXPECT_NEAR(value, 0.0078125, 5e-8);
// Whitespace handling
EXPECT_TRUE(absl::ParseFlag("10.1 ", &value, &err));
EXPECT_DOUBLE_EQ(value, 10.1);
EXPECT_TRUE(absl::ParseFlag(" 2.34", &value, &err));
EXPECT_DOUBLE_EQ(value, 2.34);
EXPECT_TRUE(absl::ParseFlag(" 5.7 ", &value, &err));
EXPECT_DOUBLE_EQ(value, 5.7);
EXPECT_TRUE(absl::ParseFlag(" -0xE0.F3p01 ", &value, &err));
EXPECT_NEAR(value, -449.8984375, 5e-8);
// Invalid values.
EXPECT_FALSE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag(" ", &value, &err));
EXPECT_FALSE(absl::ParseFlag("--1", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\n", &value, &err));
EXPECT_FALSE(absl::ParseFlag("\t", &value, &err));
EXPECT_FALSE(absl::ParseFlag("2.3xxx", &value, &err));
EXPECT_FALSE(absl::ParseFlag("0x0.1pAA", &value, &err));
// TODO(rogeeff): below assertion should fail
EXPECT_TRUE(absl::ParseFlag("0x0.1", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestStringParsing) {
std::string err;
std::string value;
EXPECT_TRUE(absl::ParseFlag("", &value, &err));
EXPECT_EQ(value, "");
EXPECT_TRUE(absl::ParseFlag(" ", &value, &err));
EXPECT_EQ(value, " ");
EXPECT_TRUE(absl::ParseFlag(" ", &value, &err));
EXPECT_EQ(value, " ");
EXPECT_TRUE(absl::ParseFlag("\n", &value, &err));
EXPECT_EQ(value, "\n");
EXPECT_TRUE(absl::ParseFlag("\t", &value, &err));
EXPECT_EQ(value, "\t");
EXPECT_TRUE(absl::ParseFlag("asdfg", &value, &err));
EXPECT_EQ(value, "asdfg");
EXPECT_TRUE(absl::ParseFlag("asdf ghjk", &value, &err));
EXPECT_EQ(value, "asdf ghjk");
EXPECT_TRUE(absl::ParseFlag("a\nb\nc", &value, &err));
EXPECT_EQ(value, "a\nb\nc");
EXPECT_TRUE(absl::ParseFlag("asd\0fgh", &value, &err));
EXPECT_EQ(value, "asd");
EXPECT_TRUE(absl::ParseFlag("\\\\", &value, &err));
EXPECT_EQ(value, "\\\\");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestVectorOfStringParsing) {
std::string err;
std::vector<std::string> value;
EXPECT_TRUE(absl::ParseFlag("", &value, &err));
EXPECT_EQ(value, std::vector<std::string>{});
EXPECT_TRUE(absl::ParseFlag("1", &value, &err));
EXPECT_EQ(value, std::vector<std::string>({"1"}));
EXPECT_TRUE(absl::ParseFlag("a,b", &value, &err));
EXPECT_EQ(value, std::vector<std::string>({"a", "b"}));
EXPECT_TRUE(absl::ParseFlag("a,b,c,", &value, &err));
EXPECT_EQ(value, std::vector<std::string>({"a", "b", "c", ""}));
EXPECT_TRUE(absl::ParseFlag("a,,", &value, &err));
EXPECT_EQ(value, std::vector<std::string>({"a", "", ""}));
EXPECT_TRUE(absl::ParseFlag(",", &value, &err));
EXPECT_EQ(value, std::vector<std::string>({"", ""}));
EXPECT_TRUE(absl::ParseFlag("a, b,c ", &value, &err));
EXPECT_EQ(value, std::vector<std::string>({"a", " b", "c "}));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalBoolParsing) {
std::string err;
absl::optional<bool> value;
EXPECT_TRUE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(value.has_value());
EXPECT_TRUE(absl::ParseFlag("true", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_TRUE(*value);
EXPECT_TRUE(absl::ParseFlag("false", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_FALSE(*value);
EXPECT_FALSE(absl::ParseFlag("nullopt", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalIntParsing) {
std::string err;
absl::optional<int> value;
EXPECT_TRUE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(value.has_value());
EXPECT_TRUE(absl::ParseFlag("10", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, 10);
EXPECT_TRUE(absl::ParseFlag("0x1F", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, 31);
EXPECT_FALSE(absl::ParseFlag("nullopt", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalDoubleParsing) {
std::string err;
absl::optional<double> value;
EXPECT_TRUE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(value.has_value());
EXPECT_TRUE(absl::ParseFlag("1.11", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, 1.11);
EXPECT_TRUE(absl::ParseFlag("-0.12", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, -0.12);
EXPECT_FALSE(absl::ParseFlag("nullopt", &value, &err));
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalStringParsing) {
std::string err;
absl::optional<std::string> value;
EXPECT_TRUE(absl::ParseFlag("", &value, &err));
EXPECT_FALSE(value.has_value());
EXPECT_TRUE(absl::ParseFlag(" ", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, " ");
EXPECT_TRUE(absl::ParseFlag("aqswde", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, "aqswde");
EXPECT_TRUE(absl::ParseFlag("nullopt", &value, &err));
EXPECT_TRUE(value.has_value());
EXPECT_EQ(*value, "nullopt");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestBoolUnparsing) {
EXPECT_EQ(absl::UnparseFlag(true), "true");
EXPECT_EQ(absl::UnparseFlag(false), "false");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestInt16Unparsing) {
int16_t value;
value = 1;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = -1;
EXPECT_EQ(absl::UnparseFlag(value), "-1");
value = 9876;
EXPECT_EQ(absl::UnparseFlag(value), "9876");
value = -987;
EXPECT_EQ(absl::UnparseFlag(value), "-987");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestUint16Unparsing) {
uint16_t value;
value = 1;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = 19876;
EXPECT_EQ(absl::UnparseFlag(value), "19876");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestInt32Unparsing) {
int32_t value;
value = 1;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = -1;
EXPECT_EQ(absl::UnparseFlag(value), "-1");
value = 12345;
EXPECT_EQ(absl::UnparseFlag(value), "12345");
value = -987;
EXPECT_EQ(absl::UnparseFlag(value), "-987");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestUint32Unparsing) {
uint32_t value;
value = 1;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = 1234500;
EXPECT_EQ(absl::UnparseFlag(value), "1234500");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestInt64Unparsing) {
int64_t value;
value = 1;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = -1;
EXPECT_EQ(absl::UnparseFlag(value), "-1");
value = 123456789L;
EXPECT_EQ(absl::UnparseFlag(value), "123456789");
value = -987654321L;
EXPECT_EQ(absl::UnparseFlag(value), "-987654321");
value = 0x7FFFFFFFFFFFFFFF;
EXPECT_EQ(absl::UnparseFlag(value), "9223372036854775807");
value = 0xFFFFFFFFFFFFFFFF;
EXPECT_EQ(absl::UnparseFlag(value), "-1");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestUint64Unparsing) {
uint64_t value;
value = 1;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = 123456789L;
EXPECT_EQ(absl::UnparseFlag(value), "123456789");
value = 0xFFFFFFFFFFFFFFFF;
EXPECT_EQ(absl::UnparseFlag(value), "18446744073709551615");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestFloatUnparsing) {
float value;
value = 1.1f;
EXPECT_EQ(absl::UnparseFlag(value), "1.1");
value = 0.01f;
EXPECT_EQ(absl::UnparseFlag(value), "0.01");
value = 1.23e-2f;
EXPECT_EQ(absl::UnparseFlag(value), "0.0123");
value = -0.71f;
EXPECT_EQ(absl::UnparseFlag(value), "-0.71");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestDoubleUnparsing) {
double value;
value = 1.1;
EXPECT_EQ(absl::UnparseFlag(value), "1.1");
value = 0.01;
EXPECT_EQ(absl::UnparseFlag(value), "0.01");
value = 1.23e-2;
EXPECT_EQ(absl::UnparseFlag(value), "0.0123");
value = -0.71;
EXPECT_EQ(absl::UnparseFlag(value), "-0.71");
value = -0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = std::nan("");
EXPECT_EQ(absl::UnparseFlag(value), "nan");
value = std::numeric_limits<double>::infinity();
EXPECT_EQ(absl::UnparseFlag(value), "inf");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestStringUnparsing) {
EXPECT_EQ(absl::UnparseFlag(""), "");
EXPECT_EQ(absl::UnparseFlag(" "), " ");
EXPECT_EQ(absl::UnparseFlag("qwerty"), "qwerty");
EXPECT_EQ(absl::UnparseFlag("ASDFGH"), "ASDFGH");
EXPECT_EQ(absl::UnparseFlag("\n\t "), "\n\t ");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalBoolUnparsing) {
absl::optional<bool> value;
EXPECT_EQ(absl::UnparseFlag(value), "");
value = true;
EXPECT_EQ(absl::UnparseFlag(value), "true");
value = false;
EXPECT_EQ(absl::UnparseFlag(value), "false");
value = absl::nullopt;
EXPECT_EQ(absl::UnparseFlag(value), "");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalIntUnparsing) {
absl::optional<int> value;
EXPECT_EQ(absl::UnparseFlag(value), "");
value = 0;
EXPECT_EQ(absl::UnparseFlag(value), "0");
value = -12;
EXPECT_EQ(absl::UnparseFlag(value), "-12");
value = absl::nullopt;
EXPECT_EQ(absl::UnparseFlag(value), "");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalDoubleUnparsing) {
absl::optional<double> value;
EXPECT_EQ(absl::UnparseFlag(value), "");
value = 1.;
EXPECT_EQ(absl::UnparseFlag(value), "1");
value = -1.23;
EXPECT_EQ(absl::UnparseFlag(value), "-1.23");
value = absl::nullopt;
EXPECT_EQ(absl::UnparseFlag(value), "");
}
// --------------------------------------------------------------------
TEST(MarshallingTest, TestOptionalStringUnparsing) {
absl::optional<std::string> strvalue;
EXPECT_EQ(absl::UnparseFlag(strvalue), "");
strvalue = "asdfg";
EXPECT_EQ(absl::UnparseFlag(strvalue), "asdfg");
strvalue = " ";
EXPECT_EQ(absl::UnparseFlag(strvalue), " ");
strvalue = ""; // It is UB to set an optional string flag to ""
EXPECT_EQ(absl::UnparseFlag(strvalue), "");
}
// --------------------------------------------------------------------
#if defined(ABSL_HAVE_STD_OPTIONAL) && !defined(ABSL_USES_STD_OPTIONAL)
TEST(MarshallingTest, TestStdOptionalUnparsing) {
std::optional<std::string> strvalue;
EXPECT_EQ(absl::UnparseFlag(strvalue), "");
strvalue = "asdfg";
EXPECT_EQ(absl::UnparseFlag(strvalue), "asdfg");
strvalue = " ";
EXPECT_EQ(absl::UnparseFlag(strvalue), " ");
strvalue = ""; // It is UB to set an optional string flag to ""
EXPECT_EQ(absl::UnparseFlag(strvalue), "");
std::optional<int> intvalue;
EXPECT_EQ(absl::UnparseFlag(intvalue), "");
intvalue = 10;
EXPECT_EQ(absl::UnparseFlag(intvalue), "10");
}
// --------------------------------------------------------------------
#endif
template <typename T>
void TestRoundtrip(T v) {
T new_v;
std::string err;
EXPECT_TRUE(absl::ParseFlag(absl::UnparseFlag(v), &new_v, &err));
EXPECT_EQ(new_v, v);
}
TEST(MarshallingTest, TestFloatRoundTrip) {
TestRoundtrip(0.1f);
TestRoundtrip(0.12f);
TestRoundtrip(0.123f);
TestRoundtrip(0.1234f);
TestRoundtrip(0.12345f);
TestRoundtrip(0.123456f);
TestRoundtrip(0.1234567f);
TestRoundtrip(0.12345678f);
TestRoundtrip(0.1e20f);
TestRoundtrip(0.12e20f);
TestRoundtrip(0.123e20f);
TestRoundtrip(0.1234e20f);
TestRoundtrip(0.12345e20f);
TestRoundtrip(0.123456e20f);
TestRoundtrip(0.1234567e20f);
TestRoundtrip(0.12345678e20f);
TestRoundtrip(0.1e-20f);
TestRoundtrip(0.12e-20f);
TestRoundtrip(0.123e-20f);
TestRoundtrip(0.1234e-20f);
TestRoundtrip(0.12345e-20f);
TestRoundtrip(0.123456e-20f);
TestRoundtrip(0.1234567e-20f);
TestRoundtrip(0.12345678e-20f);
}
TEST(MarshallingTest, TestDoubleRoundTrip) {
TestRoundtrip(0.1);
TestRoundtrip(0.12);
TestRoundtrip(0.123);
TestRoundtrip(0.1234);
TestRoundtrip(0.12345);
TestRoundtrip(0.123456);
TestRoundtrip(0.1234567);
TestRoundtrip(0.12345678);
TestRoundtrip(0.123456789);
TestRoundtrip(0.1234567891);
TestRoundtrip(0.12345678912);
TestRoundtrip(0.123456789123);
TestRoundtrip(0.1234567891234);
TestRoundtrip(0.12345678912345);
TestRoundtrip(0.123456789123456);
TestRoundtrip(0.1234567891234567);
TestRoundtrip(0.12345678912345678);
TestRoundtrip(0.1e50);
TestRoundtrip(0.12e50);
TestRoundtrip(0.123e50);
TestRoundtrip(0.1234e50);
TestRoundtrip(0.12345e50);
TestRoundtrip(0.123456e50);
TestRoundtrip(0.1234567e50);
TestRoundtrip(0.12345678e50);
TestRoundtrip(0.123456789e50);
TestRoundtrip(0.1234567891e50);
TestRoundtrip(0.12345678912e50);
TestRoundtrip(0.123456789123e50);
TestRoundtrip(0.1234567891234e50);
TestRoundtrip(0.12345678912345e50);
TestRoundtrip(0.123456789123456e50);
TestRoundtrip(0.1234567891234567e50);
TestRoundtrip(0.12345678912345678e50);
TestRoundtrip(0.1e-50);
TestRoundtrip(0.12e-50);
TestRoundtrip(0.123e-50);
TestRoundtrip(0.1234e-50);
TestRoundtrip(0.12345e-50);
TestRoundtrip(0.123456e-50);
TestRoundtrip(0.1234567e-50);
TestRoundtrip(0.12345678e-50);
TestRoundtrip(0.123456789e-50);
TestRoundtrip(0.1234567891e-50);
TestRoundtrip(0.12345678912e-50);
TestRoundtrip(0.123456789123e-50);
TestRoundtrip(0.1234567891234e-50);
TestRoundtrip(0.12345678912345e-50);
TestRoundtrip(0.123456789123456e-50);
TestRoundtrip(0.1234567891234567e-50);
TestRoundtrip(0.12345678912345678e-50);
}
} // namespace