diff options
Diffstat (limited to 'Tests')
| -rw-r--r-- | Tests/AK/TestString.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Tests/AK/TestString.cpp b/Tests/AK/TestString.cpp index ae48664b83..59668da04f 100644 --- a/Tests/AK/TestString.cpp +++ b/Tests/AK/TestString.cpp @@ -10,6 +10,7 @@ #include <LibTest/TestCase.h> +#include <AK/MemoryStream.h> #include <AK/StringBuilder.h> #include <AK/Try.h> #include <AK/Utf8View.h> @@ -67,6 +68,54 @@ TEST_CASE(long_strings) EXPECT_EQ(string.bytes_as_string_view(), "abcdefgh"sv); } +TEST_CASE(long_streams) +{ + { + u8 bytes[64] = {}; + constexpr auto test_view = "Well, hello friends"sv; + FixedMemoryStream stream(Bytes { bytes, sizeof(bytes) }); + MUST(stream.write(test_view.bytes())); + MUST(stream.seek(0)); + + auto string = MUST(String::from_stream(stream, test_view.length())); + + EXPECT_EQ(string.is_short_string(), false); + EXPECT_EQ(string.bytes().size(), 19u); + EXPECT_EQ(string.bytes_as_string_view(), test_view); + } + + { + AllocatingMemoryStream stream; + MUST(stream.write(("abc"sv).bytes())); + + auto string = MUST(String::from_stream(stream, 3u)); + + EXPECT_EQ(string.is_short_string(), true); + EXPECT_EQ(string.bytes().size(), 3u); + EXPECT_EQ(string.bytes_as_string_view(), "abc"sv); + } + + { + AllocatingMemoryStream stream; + MUST(stream.write(("0123456789"sv).bytes())); + + auto string = MUST(String::from_stream(stream, 9u)); + + EXPECT_EQ(string.is_short_string(), false); + EXPECT_EQ(string.bytes().size(), 9u); + EXPECT_EQ(string.bytes_as_string_view(), "012345678"sv); + } + + { + AllocatingMemoryStream stream; + MUST(stream.write_value(0xffffffff)); + MUST(stream.write_value(0xffffffff)); + MUST(stream.write_value(0xffffffff)); + auto error_or_string = String::from_stream(stream, stream.used_buffer_size()); + EXPECT_EQ(error_or_string.is_error(), true); + } +} + TEST_CASE(from_code_points) { for (u32 code_point = 0; code_point < 0x80; ++code_point) { |