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AK+Everywhere: Remove the null state of DeprecatedString

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This commit removes DeprecatedString's "null" state, and replaces all
its users with one of the following:
- A normal, empty DeprecatedString
- Optional<DeprecatedString>

Note that null states of DeprecatedFlyString/StringView/etc are *not*
affected by this commit. However, DeprecatedString::empty() is now
considered equal to a null StringView.
This commit is contained in:
Ali Mohammad Pur 2023-10-10 15:00:58 +03:30 • committed by Ali Mohammad Pur
parent daf6d8173c
commit aeee98b3a1
189 changed files with 597 additions and 652 deletions
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10
Tests/AK/TestDeprecatedString.cpp
View file

@ -14,11 +14,9 @@
TEST_CASE(construct_empty)
{
EXPECT(DeprecatedString().is_null());
EXPECT(DeprecatedString().is_empty());
EXPECT(!DeprecatedString().characters());
EXPECT(DeprecatedString().characters() != nullptr);
EXPECT(!DeprecatedString("").is_null());
EXPECT(DeprecatedString("").is_empty());
EXPECT(DeprecatedString("").characters() != nullptr);
@ -29,7 +27,6 @@ TEST_CASE(construct_contents)
{
DeprecatedString test_string = "ABCDEF";
EXPECT(!test_string.is_empty());
EXPECT(!test_string.is_null());
EXPECT_EQ(test_string.length(), 6u);
EXPECT_EQ(test_string.length(), strlen(test_string.characters()));
EXPECT(test_string.characters() != nullptr);
@ -42,7 +39,7 @@ TEST_CASE(construct_contents)
TEST_CASE(equal)
{
EXPECT_NE(DeprecatedString::empty(), DeprecatedString {});
EXPECT_EQ(DeprecatedString::empty(), DeprecatedString {});
}
TEST_CASE(compare)
@ -116,7 +113,7 @@ TEST_CASE(move_string)
auto test_string_copy = test_string;
auto test_string_move = move(test_string_copy);
EXPECT_EQ(test_string, test_string_move);
EXPECT(test_string_copy.is_null());
EXPECT(test_string_copy.is_empty());
}
TEST_CASE(repeated)
@ -253,7 +250,6 @@ TEST_CASE(builder_zero_initial_capacity)
StringBuilder builder(0);
builder.append(""sv);
auto built = builder.to_deprecated_string();
EXPECT_EQ(built.is_null(), false);
EXPECT_EQ(built.length(), 0u);
}