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#include "asl/format.hpp"
#include "asl/testing/testing.hpp"
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <cstdio>
// @Todo Improve this to use our utilities, not the C stdlib
static_assert(asl::formattable<decltype("Hello")>);
class StringSink : public asl::writer
{
int64_t m_current_len{};
char* m_data{};
public:
void write(const char* str, int64_t len) override
{
m_data = (char*)realloc(m_data, (size_t)(m_current_len + len + 1));
memcpy(m_data + m_current_len, str, (size_t)len);
m_current_len += len;
m_data[m_current_len] = '\0';
}
constexpr const char* cstr() const { return m_data; }
void reset()
{
m_current_len = 0;
free(m_data);
m_data = nullptr;
}
};
ASL_TEST(Format)
{
StringSink sink;
// @Todo Introduce ASL_TEST_ASSERT_EQ, or ASL_TEST_ASSERT_STREQ
// @Todo Don't use strcmp for string comparison
asl::format(&sink, "Hello, world!");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "Hello, world!") == 0);
sink.reset();
asl::format(&sink, "");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "") == 0);
sink.reset();
asl::format(&sink, "Hello, {}!", "world");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "Hello, world!") == 0);
sink.reset();
asl::format(&sink, "Hello, {}! {}", "world");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "Hello, world! <ERROR>") == 0);
sink.reset();
asl::format(&sink, "Hello, pup!", "world");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "Hello, pup!") == 0);
sink.reset();
asl::format(&sink, "{}", "CHEESE");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "CHEESE") == 0);
sink.reset();
asl::format(&sink, "{ ", "CHEESE");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "<ERROR> ") == 0);
sink.reset();
asl::format(&sink, "{", "CHEESE");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "<ERROR>") == 0);
sink.reset();
asl::format(&sink, "a{{b");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "a{b") == 0);
sink.reset();
asl::format(&sink, "{{{}}} }", "CHEESE");
ASL_TEST_ASSERT(strcmp(sink.cstr(), "{CHEESE} }") == 0);
sink.reset();
asl::format(&sink, "{} {} {}", 0, 1, 2);
ASL_TEST_ASSERT(strcmp(sink.cstr(), "0 1 2") == 0);
sink.reset();
asl::format(&sink, "{} {} {}", 10, 11, 12);
ASL_TEST_ASSERT(strcmp(sink.cstr(), "10 11 12") == 0);
sink.reset();
asl::format(&sink, "{} {} {}", 100, 101, 102);
ASL_TEST_ASSERT(strcmp(sink.cstr(), "100 101 102") == 0);
sink.reset();
asl::format(&sink, "{} {} {}", 1000, 1001, 1002);
ASL_TEST_ASSERT(strcmp(sink.cstr(), "1000 1001 1002") == 0);
sink.reset();
asl::format(&sink, "{} {} {} {}", -1, -23, -456, -7890);
ASL_TEST_ASSERT(strcmp(sink.cstr(), "-1 -23 -456 -7890") == 0);
sink.reset();
asl::format(&sink, "{} {}", true, false);
ASL_TEST_ASSERT(strcmp(sink.cstr(), "true false") == 0);
}
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