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More tests and fixed precision fixes

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This commit is contained in:
Victor Zverovich
2019-03-13 13:10:18 -07:00
parent 287342dab1
commit a82b3680dc
3 changed files with 35 additions and 14 deletions
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22
test/format-impl-test.cc
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@@ -121,6 +121,28 @@ TEST(FPTest, GetRoundDirection) {
EXPECT_EQ(fmt::internal::up, get_round_direction(max, max - 1, 1));
}
TEST(FPTest, FixedHandler) {
struct handler : fmt::internal::fixed_handler {
char buffer[10];
handler(int prec = 0) : fmt::internal::fixed_handler() {
buf = buffer;
precision = prec;
}
};
int exp = 0;
handler().on_digit('0', 100, 99, 0, exp, false);
EXPECT_THROW(handler().on_digit('0', 100, 100, 0, exp, false),
assertion_failure);
namespace digits = fmt::internal::digits;
EXPECT_EQ(handler(1).on_digit('0', 100, 10, 10, exp, false), digits::done);
// Check that divisor - error doesn't overflow.
EXPECT_EQ(handler(1).on_digit('0', 100, 10, 101, exp, false), digits::error);
// Check that 2 * error doesn't overflow.
uint64_t max = std::numeric_limits<uint64_t>::max();
EXPECT_EQ(handler(1).on_digit('0', max, 10, max - 1, exp, false),
digits::error);
}
TEST(FPTest, Grisu2FormatCompilesWithNonIEEEDouble) {
fmt::memory_buffer buf;
int exp = 0;