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#include "asl/formatting/format.hpp"
#include "asl/testing/testing.hpp"
#include "asl/base/float.hpp"
#include "asl/strings/string_builder.hpp"
static_assert(asl::formattable<decltype("Hello")>);
ASL_TEST(format_args)
{
// @Todo Introduce ASL_TEST_EXPECT_EQ, or ASL_TEST_EXPECT_STREQ
auto s = asl::format_to_string("Hello, world!");
ASL_TEST_EXPECT(s == "Hello, world!"_sv);
s = asl::format_to_string("");
ASL_TEST_EXPECT(s == ""_sv);
s = asl::format_to_string("Hello, {}!", "world");
ASL_TEST_EXPECT(s == "Hello, world!"_sv);
s = asl::format_to_string("Hello, {}! {}", "world");
ASL_TEST_EXPECT(s == "Hello, world! <ERROR>"_sv);
s = asl::format_to_string("Hello, pup!", "world");
ASL_TEST_EXPECT(s == "Hello, pup!"_sv);
s = asl::format_to_string("{}", "CHEESE");
ASL_TEST_EXPECT(s == "CHEESE"_sv);
s = asl::format_to_string("{ ", "CHEESE");
ASL_TEST_EXPECT(s == "<ERROR> "_sv);
s = asl::format_to_string("{", "CHEESE");
ASL_TEST_EXPECT(s == "<ERROR>"_sv);
s = asl::format_to_string("a{{b");
ASL_TEST_EXPECT(s == "a{b"_sv);
s = asl::format_to_string("{{{}}} }", "CHEESE");
ASL_TEST_EXPECT(s == "{CHEESE} }"_sv);
}
ASL_TEST(format_integers)
{
auto s = asl::format_to_string("{} {} {}", 0, 1, 2);
ASL_TEST_EXPECT(s == "0 1 2"_sv);
s = asl::format_to_string("{} {} {}", 10, 11, 12);
ASL_TEST_EXPECT(s == "10 11 12"_sv);
s = asl::format_to_string("{} {} {}", 100, 101, 102);
ASL_TEST_EXPECT(s == "100 101 102"_sv);
s = asl::format_to_string("{} {} {}", 1000, 1001, 1002);
ASL_TEST_EXPECT(s == "1000 1001 1002"_sv);
s = asl::format_to_string("{} {} {} {}", -1, -23, -456, -7890);
ASL_TEST_EXPECT(s == "-1 -23 -456 -7890"_sv);
}
ASL_TEST(format_floats)
{
auto s = asl::format_to_string("{} {} {}", 0.0F, 1.0, 2.0F);
ASL_TEST_EXPECT(s == "0 1 2"_sv);
s = asl::format_to_string("{} {} {}", 0.1F, 0.001F, 0.123F);
ASL_TEST_EXPECT(s == "0.1 0.001 0.123"_sv);
s = asl::format_to_string("{} {}", 1.25F, -22.3);
ASL_TEST_EXPECT(s == "1.25 -22.3"_sv);
s = asl::format_to_string("{}", 1e32);
ASL_TEST_EXPECT(s == "100000000000000000000000000000000"_sv);
s = asl::format_to_string("{}", 123e-8);
ASL_TEST_EXPECT(s == "0.00000123"_sv);
s = asl::format_to_string("{} {}", asl::infinity<float>(), -asl::infinity<double>());
ASL_TEST_EXPECT(s == "Infinity -Infinity"_sv);
s = asl::format_to_string("{}", asl::nan<float>());
ASL_TEST_EXPECT(s == "NaN"_sv);
}
ASL_TEST(format_boolean)
{
auto s = asl::format_to_string("{} {}", true, false);
ASL_TEST_EXPECT(s == "true false"_sv);
}
struct CustomFormat
{
int x;
friend void AslFormat(asl::Formatter&, const CustomFormat&);
};
void AslFormat(asl::Formatter& f, const CustomFormat& c)
{
f.write("("_sv);
AslFormat(f, c.x);
f.write(")"_sv);
}
static_assert(asl::formattable<CustomFormat>);
ASL_TEST(format_custom)
{
auto s = asl::format_to_string("{}", CustomFormat{37});
ASL_TEST_EXPECT(s == "(37)"_sv);
}
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