45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
#include <const_fmt/format_impl.h>
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#include <limits>
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#include <gtest/gtest.h>
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using namespace const_fmt;
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using namespace const_fmt::const_fmt_detail;
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TEST(FormatUtility, count_digits_base_decimal) {
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constexpr unsigned length1 = count_digits_base<FormatType::d>(123);
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constexpr unsigned length2 = count_digits_base<FormatType::d>(std::numeric_limits<uint64_t>::max());
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constexpr unsigned length3 = count_digits_base<FormatType::d>(10000011);
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constexpr unsigned length4 = count_digits_base<FormatType::d>(1);
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EXPECT_EQ(length1, 3);
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EXPECT_EQ(length2, 20);
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EXPECT_EQ(length3, 8);
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EXPECT_EQ(length4, 1);
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}
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TEST(FormatUtility, count_digits_base_binary) {
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constexpr unsigned length1 = count_digits_base<FormatType::b>(0b1001);
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constexpr unsigned length2 = count_digits_base<FormatType::b>(std::numeric_limits<uint64_t>::max());
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constexpr unsigned length3 = count_digits_base<FormatType::b>(0b10000001);
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constexpr unsigned length4 = count_digits_base<FormatType::b>(0b01);
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EXPECT_EQ(length1, 4);
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EXPECT_EQ(length2, 64);
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EXPECT_EQ(length3, 8);
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EXPECT_EQ(length4, 1);
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}
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TEST(FormatUtility, count_digits_base_hex) {
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constexpr unsigned length1 = count_digits_base<FormatType::x>(0x123);
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constexpr unsigned length2 = count_digits_base<FormatType::x>(std::numeric_limits<uint64_t>::max());
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constexpr unsigned length3 = count_digits_base<FormatType::x>(0x1000000f);
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constexpr unsigned length4 = count_digits_base<FormatType::x>(0x01);
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EXPECT_EQ(length1, 3);
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EXPECT_EQ(length2, 16);
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EXPECT_EQ(length3, 8);
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EXPECT_EQ(length4, 1);
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}
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