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Tests: Prefer TRY_OR_FAIL() and MUST() over EXPECT(!.is_error())

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Note that in some cases (in particular SQL::Result and PDFErrorOr),
there is no Formatter defined for the error type, hence TRY_OR_FAIL
cannot work as-is. Furthermore, this commit leaves untouched the places
where MUST could be replaced by TRY_OR_FAIL.

Inspired by:
https://github.com/SerenityOS/serenity/pull/18710#discussion_r1186892445
This commit is contained in:
Ben Wiederhake 2023-05-07 20:14:06 +02:00 • committed by Andrew Kaster
parent 87a7299078
commit f890b70eae
23 changed files with 415 additions and 742 deletions
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40
Tests/AK/TestCircularBuffer.cpp
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@ -12,10 +12,7 @@ namespace {
CircularBuffer create_circular_buffer(size_t size)
{
auto buffer_or_error = CircularBuffer::create_empty(size);
EXPECT(!buffer_or_error.is_error());
return buffer_or_error.release_value();
return MUST(CircularBuffer::create_empty(size));
}
void safe_write(CircularBuffer& buffer, u8 i)
@ -36,8 +33,7 @@ void safe_read(CircularBuffer& buffer, u8 supposed_result)
void safe_discard(CircularBuffer& buffer, size_t size)
{
auto result = buffer.discard(size);
EXPECT(!result.is_error());
TRY_OR_FAIL(buffer.discard(size));
};
}
@ -177,13 +173,9 @@ TEST_CASE(full_write_non_aligned)
TEST_CASE(create_from_bytebuffer)
{
u8 const source[] = { 2, 4, 6 };
auto byte_buffer_or_error = ByteBuffer::copy(source, AK::array_size(source));
EXPECT(!byte_buffer_or_error.is_error());
auto byte_buffer = byte_buffer_or_error.release_value();
auto byte_buffer = TRY_OR_FAIL(ByteBuffer::copy(source, AK::array_size(source)));
auto circular_buffer_or_error = CircularBuffer::create_initialized(move(byte_buffer));
EXPECT(!circular_buffer_or_error.is_error());
auto circular_buffer = circular_buffer_or_error.release_value();
auto circular_buffer = TRY_OR_FAIL(CircularBuffer::create_initialized(move(byte_buffer)));
EXPECT_EQ(circular_buffer.used_space(), circular_buffer.capacity());
EXPECT_EQ(circular_buffer.used_space(), 3ul);
@ -247,13 +239,9 @@ TEST_CASE(discard_too_much)
TEST_CASE(offset_of)
{
auto const source = "Well Hello Friends!"sv;
auto byte_buffer_or_error = ByteBuffer::copy(source.bytes());
EXPECT(!byte_buffer_or_error.is_error());
auto byte_buffer = byte_buffer_or_error.release_value();
auto byte_buffer = TRY_OR_FAIL(ByteBuffer::copy(source.bytes()));
auto circular_buffer_or_error = CircularBuffer::create_initialized(byte_buffer);
EXPECT(!circular_buffer_or_error.is_error());
auto circular_buffer = circular_buffer_or_error.release_value();
auto circular_buffer = TRY_OR_FAIL(CircularBuffer::create_initialized(byte_buffer));
auto result = circular_buffer.offset_of("Well"sv);
EXPECT(result.has_value());
@ -283,13 +271,9 @@ TEST_CASE(offset_of)
TEST_CASE(offset_of_with_until_and_after)
{
auto const source = "Well Hello Friends!"sv;
auto byte_buffer_or_error = ByteBuffer::copy(source.bytes());
EXPECT(!byte_buffer_or_error.is_error());
auto byte_buffer = byte_buffer_or_error.release_value();
auto byte_buffer = TRY_OR_FAIL(ByteBuffer::copy(source.bytes()));
auto circular_buffer_or_error = CircularBuffer::create_initialized(byte_buffer);
EXPECT(!circular_buffer_or_error.is_error());
auto circular_buffer = circular_buffer_or_error.release_value();
auto circular_buffer = TRY_OR_FAIL(CircularBuffer::create_initialized(byte_buffer));
auto result = circular_buffer.offset_of("Well Hello Friends!"sv, 0, 19);
EXPECT_EQ(result.value_or(42), 0ul);
@ -317,13 +301,9 @@ TEST_CASE(offset_of_with_until_and_after)
TEST_CASE(offset_of_with_until_and_after_wrapping_around)
{
auto const source = "Well Hello Friends!"sv;
auto byte_buffer_or_error = ByteBuffer::copy(source.bytes());
EXPECT(!byte_buffer_or_error.is_error());
auto byte_buffer = byte_buffer_or_error.release_value();
auto byte_buffer = TRY_OR_FAIL(ByteBuffer::copy(source.bytes()));
auto circular_buffer_or_error = CircularBuffer::create_empty(19);
EXPECT(!circular_buffer_or_error.is_error());
auto circular_buffer = circular_buffer_or_error.release_value();
auto circular_buffer = TRY_OR_FAIL(CircularBuffer::create_empty(19));
auto written_bytes = circular_buffer.write(byte_buffer.span().trim(5));
EXPECT_EQ(written_bytes, 5ul);