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Simplify format string compilation

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This commit is contained in:
Victor Zverovich
2019-09-01 14:57:36 -07:00
parent 466128de00
commit a128b5b2cb
2 changed files with 106 additions and 114 deletions
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22
test/compile-test.cc
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@@ -39,14 +39,12 @@ using testing::StrictMock;
#if FMT_USE_CONSTEXPR
template <unsigned EXPECTED_PARTS_COUNT, typename Format>
void check_prepared_parts_type(Format format) {
typedef fmt::internal::compiletime_prepared_parts_type_provider<decltype(
format)>
provider;
typedef typename provider::template format_parts_array<EXPECTED_PARTS_COUNT>
expected_parts_type;
static_assert(
std::is_same<typename provider::type, expected_parts_type>::value,
"CompileTimePreparedPartsTypeProvider test failed");
typedef fmt::internal::compiled_format_base<decltype(format)> provider;
typedef fmt::internal::format_part<char>
expected_parts_type[EXPECTED_PARTS_COUNT];
static_assert(std::is_same<typename provider::parts_container,
expected_parts_type>::value,
"CompileTimePreparedPartsTypeProvider test failed");
}
TEST(CompileTest, CompileTimePreparedPartsTypeProvider) {
@@ -122,8 +120,7 @@ TEST(CompileTest, FormattedSize) {
struct formattable {};
FMT_BEGIN_NAMESPACE
template <>
struct formatter<formattable> : formatter<const char*> {
template <> struct formatter<formattable> : formatter<const char*> {
auto format(formattable, format_context& ctx) -> decltype(ctx.out()) {
return formatter<const char*>::format("foo", ctx);
}
@@ -134,3 +131,8 @@ TEST(CompileTest, FormatUserDefinedType) {
auto f = fmt::compile<formattable>("{}");
EXPECT_EQ(fmt::format(f, formattable()), "foo");
}
TEST(CompileTest, EmptyFormatString) {
auto f = fmt::compile<>("");
EXPECT_EQ(fmt::format(f), "");
}