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#include "cru/base/Exception.h"
#include "cru/base/StringToNumberConverter.h"
#include <catch2/catch_test_macros.hpp>
TEST_CASE("StringToIntegerConverterImpl Base0", "[string]") {
using namespace cru;
StringToIntegerConverter converter({}, 0);
Index processed_characters_count;
REQUIRE(converter.Parse("12345678", &processed_characters_count) ==
StringToIntegerResult(false, 12345678));
REQUIRE(processed_characters_count == 8);
REQUIRE(converter.Parse("0", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 1);
REQUIRE(converter.Parse("012", &processed_characters_count) ==
StringToIntegerResult(false, 012));
REQUIRE(processed_characters_count == 3);
REQUIRE(converter.Parse("0x12", &processed_characters_count) ==
StringToIntegerResult(false, 0x12));
REQUIRE(processed_characters_count == 4);
REQUIRE(converter.Parse("0X12", &processed_characters_count) ==
StringToIntegerResult(false, 0x12));
REQUIRE(processed_characters_count == 4);
REQUIRE(converter.Parse("0b101", &processed_characters_count) ==
StringToIntegerResult(false, 0b101));
REQUIRE(processed_characters_count == 5);
REQUIRE(converter.Parse("0B101", &processed_characters_count) ==
StringToIntegerResult(false, 0b101));
REQUIRE(processed_characters_count == 5);
REQUIRE(converter.Parse("-123", &processed_characters_count) ==
StringToIntegerResult(true, 123));
REQUIRE(processed_characters_count == 4);
REQUIRE(converter.Parse("-0x10", &processed_characters_count) ==
StringToIntegerResult(true, 0x10));
REQUIRE(processed_characters_count == 5);
}
TEST_CASE("StringToIntegerConverterImpl Base0ForError", "[string]") {
using namespace cru;
StringToIntegerConverter converter({}, 0);
Index processed_characters_count;
REQUIRE(converter.Parse("a", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 0);
REQUIRE(converter.Parse("0a", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 0);
REQUIRE(converter.Parse("0x", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 0);
REQUIRE(converter.Parse("0xx", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 0);
REQUIRE(converter.Parse(" 0", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 0);
REQUIRE(converter.Parse("0 ", &processed_characters_count) ==
StringToIntegerResult(false, 0));
REQUIRE(processed_characters_count == 0);
}
TEST_CASE("StringToIntegerConverterImpl ThrowOnErrorFlag", "[string]") {
using namespace cru;
StringToIntegerConverter converter(StringToNumberFlags::kThrowOnError, 0);
Index processed_characters_count;
REQUIRE_THROWS_AS(converter.Parse("?", &processed_characters_count),
Exception);
}
TEST_CASE("StringToIntegerConverterImpl AllowLeadingZeroFlag", "[string]") {
using namespace cru;
StringToIntegerConverter converter(
StringToNumberFlags::kAllowLeadingSpaces, 0);
Index processed_characters_count;
REQUIRE(converter.Parse(" 123", &processed_characters_count) ==
StringToIntegerResult(false, 123));
REQUIRE(processed_characters_count == 6);
}
TEST_CASE("StringToIntegerConverterImpl AllowTrailingZeroFlag", "[string]") {
using namespace cru;
StringToIntegerConverter converter(
StringToNumberFlags::kAllowTrailingSpaces, 0);
Index processed_characters_count;
REQUIRE(converter.Parse("123 ", &processed_characters_count) ==
StringToIntegerResult(false, 123));
REQUIRE(processed_characters_count == 6);
}
TEST_CASE("StringToIntegerConverterImpl AllowTrailingJunk", "[string]") {
using namespace cru;
StringToIntegerConverter converter(
StringToNumberFlags::kAllowTrailingJunk, 0);
Index processed_characters_count;
REQUIRE(converter.Parse("123 12", &processed_characters_count) ==
StringToIntegerResult(false, 123));
REQUIRE(processed_characters_count == 3);
}
TEST_CASE("StringToIntegerConverterImpl AllowLeadingZeroForInteger",
"[string]") {
using namespace cru;
StringToIntegerConverter converter(
StringToNumberFlags::kAllowLeadingZeroForInteger, 0);
Index processed_characters_count;
REQUIRE(converter.Parse("0x0012", &processed_characters_count) ==
StringToIntegerResult(false, 0x12));
REQUIRE(processed_characters_count == 6);
REQUIRE(converter.Parse("000011", &processed_characters_count) ==
StringToIntegerResult(false, 000011));
REQUIRE(processed_characters_count == 6);
REQUIRE(converter.Parse("0b0011", &processed_characters_count) ==
StringToIntegerResult(false, 0b0011));
REQUIRE(processed_characters_count == 6);
}
TEST_CASE("StringToIntegerConverterImpl CompositeFlags", "[string]") {
using namespace cru;
StringToIntegerConverter converter(
StringToNumberFlags::kAllowLeadingSpaces |
StringToNumberFlags::kAllowTrailingJunk |
StringToNumberFlags::kAllowLeadingZeroForInteger,
0);
Index processed_characters_count;
REQUIRE(converter.Parse(" 0x00123!!!", &processed_characters_count) ==
StringToIntegerResult(false, 0x00123));
REQUIRE(processed_characters_count == 10);
}
TEST_CASE("StringToIntegerConverterImpl OtherBase", "[string]") {
using namespace cru;
StringToIntegerConverter converter({}, 7);
Index processed_characters_count;
REQUIRE(converter.Parse("12", &processed_characters_count) ==
StringToIntegerResult(false, 9));
REQUIRE(processed_characters_count == 2);
REQUIRE(converter.Parse("-12", &processed_characters_count) ==
StringToIntegerResult(true, 9));
REQUIRE(processed_characters_count == 3);
converter.base = 11;
REQUIRE(converter.Parse("1a", &processed_characters_count) ==
StringToIntegerResult(false, 21));
REQUIRE(processed_characters_count == 2);
}
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