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Move test_count_digits block from format-test.cc

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denchat 2019-05-07 22:29:54 +07:00 committed by GitHub
parent a5b1111d7f
commit 871e2bff99
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1 changed files with 16 additions and 0 deletions
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test/format-impl-test.cc
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@ -237,3 +237,19 @@ TEST(FormatTest, FormatErrorCode) {
TEST(FormatTest, CountCodePoints) {
EXPECT_EQ(4, fmt::internal::count_code_points(fmt::u8string_view("ёжик")));
}
// Tests fmt::internal::count_digits for integer type Int.
template <typename Int> void test_count_digits() {
for (Int i = 0; i < 10; ++i) EXPECT_EQ(1u, fmt::internal::count_digits(i));
for (Int i = 1, n = 1, end = std::numeric_limits<Int>::max() / 10; n <= end;
++i) {
n *= 10;
EXPECT_EQ(i, fmt::internal::count_digits(n - 1));
EXPECT_EQ(i + 1, fmt::internal::count_digits(n));
}
}
TEST(UtilTest, CountDigits) {
test_count_digits<uint32_t>();
test_count_digits<uint64_t>();
}