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#include "asl/format.hpp"
#include "asl/testing/testing.hpp"
#include "asl/allocator.hpp"
#include "asl/float.hpp"
static_assert(asl::formattable<decltype("Hello")>);
class StringSink : public asl::Writer
{
// @Todo Use string, once we have it, or a buffer
isize_t m_current_len{};
char* m_data{};
public:
void write(asl::span<const asl::byte> str) override
{
m_data = reinterpret_cast<char*>(asl::GlobalHeap::realloc(
m_data,
asl::layout::array<char>(m_current_len),
asl::layout::array<char>(m_current_len + str.size())));
asl::memcpy(m_data + m_current_len, str.data(), str.size());
m_current_len += str.size();
}
constexpr asl::string_view str() const { return {m_data, m_current_len}; }
void reset()
{
m_current_len = 0;
asl::GlobalHeap::dealloc(m_data, asl::layout::array<char>(m_current_len));
m_data = nullptr;
}
};
ASL_TEST(format_args)
{
StringSink sink;
// @Todo Introduce ASL_TEST_EXPECT_EQ, or ASL_TEST_EXPECT_STREQ
asl::format(&sink, "Hello, world!");
ASL_TEST_EXPECT(sink.str() == "Hello, world!"_sv);
sink.reset();
asl::format(&sink, "");
ASL_TEST_EXPECT(sink.str() == ""_sv);
sink.reset();
asl::format(&sink, "Hello, {}!", "world");
ASL_TEST_EXPECT(sink.str() == "Hello, world!"_sv);
sink.reset();
asl::format(&sink, "Hello, {}! {}", "world");
ASL_TEST_EXPECT(sink.str() == "Hello, world! <ERROR>"_sv);
sink.reset();
asl::format(&sink, "Hello, pup!", "world");
ASL_TEST_EXPECT(sink.str() == "Hello, pup!"_sv);
sink.reset();
asl::format(&sink, "{}", "CHEESE");
ASL_TEST_EXPECT(sink.str() == "CHEESE"_sv);
sink.reset();
asl::format(&sink, "{ ", "CHEESE");
ASL_TEST_EXPECT(sink.str() == "<ERROR> "_sv);
sink.reset();
asl::format(&sink, "{", "CHEESE");
ASL_TEST_EXPECT(sink.str() == "<ERROR>"_sv);
sink.reset();
asl::format(&sink, "a{{b");
ASL_TEST_EXPECT(sink.str() == "a{b"_sv);
sink.reset();
asl::format(&sink, "{{{}}} }", "CHEESE");
ASL_TEST_EXPECT(sink.str() == "{CHEESE} }"_sv);
}
ASL_TEST(format_integers)
{
StringSink sink;
sink.reset();
asl::format(&sink, "{} {} {}", 0, 1, 2);
ASL_TEST_EXPECT(sink.str() == "0 1 2"_sv);
sink.reset();
asl::format(&sink, "{} {} {}", 10, 11, 12);
ASL_TEST_EXPECT(sink.str() == "10 11 12"_sv);
sink.reset();
asl::format(&sink, "{} {} {}", 100, 101, 102);
ASL_TEST_EXPECT(sink.str() == "100 101 102"_sv);
sink.reset();
asl::format(&sink, "{} {} {}", 1000, 1001, 1002);
ASL_TEST_EXPECT(sink.str() == "1000 1001 1002"_sv);
sink.reset();
asl::format(&sink, "{} {} {} {}", -1, -23, -456, -7890);
ASL_TEST_EXPECT(sink.str() == "-1 -23 -456 -7890"_sv);
}
ASL_TEST(format_floats)
{
StringSink sink;
sink.reset();
asl::format(&sink, "{} {} {}", 0.0F, 1.0, 2.0F);
ASL_TEST_EXPECT(sink.str() == "0 1 2"_sv);
sink.reset();
asl::format(&sink, "{} {} {}", 0.1F, 0.001F, 0.123F);
ASL_TEST_EXPECT(sink.str() == "0.1 0.001 0.123"_sv);
sink.reset();
asl::format(&sink, "{} {}", 1.25F, -22.3);
ASL_TEST_EXPECT(sink.str() == "1.25 -22.3"_sv);
sink.reset();
asl::format(&sink, "{}", 1e32);
ASL_TEST_EXPECT(sink.str() == "100000000000000000000000000000000"_sv);
sink.reset();
asl::format(&sink, "{}", 123e-8);
ASL_TEST_EXPECT(sink.str() == "0.00000123"_sv);
sink.reset();
asl::format(&sink, "{} {}", asl::infinity<float>(), -asl::infinity<double>());
ASL_TEST_EXPECT(sink.str() == "Infinity -Infinity"_sv);
sink.reset();
asl::format(&sink, "{}", asl::nan<float>());
ASL_TEST_EXPECT(sink.str() == "NaN"_sv);
}
ASL_TEST(format_boolean)
{
StringSink sink;
sink.reset();
asl::format(&sink, "{} {}", true, false);
ASL_TEST_EXPECT(sink.str() == "true false"_sv);
}
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