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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/Try.h>
#include <AK/Utf8View.h>
#include <AK/Vector.h>
TEST_CASE(construct_empty)
{
String empty;
EXPECT(empty.is_empty());
EXPECT_EQ(empty.bytes().size(), 0u);
auto empty2 = MUST(String::from_utf8(""sv));
EXPECT(empty2.is_empty());
EXPECT_EQ(empty, empty2);
EXPECT_EQ(empty, ""sv);
}
TEST_CASE(move_assignment)
{
String string1 = MUST(String::from_utf8("hello"sv));
string1 = MUST(String::from_utf8("friends!"sv));
EXPECT_EQ(string1, "friends!"sv);
}
TEST_CASE(short_strings)
{
#ifdef AK_ARCH_64_BIT
auto string = MUST(String::from_utf8("abcdefg"sv));
EXPECT_EQ(string.is_short_string(), true);
EXPECT_EQ(string.bytes().size(), 7u);
EXPECT_EQ(string.bytes_as_string_view(), "abcdefg"sv);
#else
auto string = MUST(String::from_utf8("abc"sv));
EXPECT_EQ(string.is_short_string(), true);
EXPECT_EQ(string.bytes().size(), 3u);
EXPECT_EQ(string.bytes_as_string_view(), "abc"sv);
#endif
}
TEST_CASE(long_strings)
{
auto string = MUST(String::from_utf8("abcdefgh"sv));
EXPECT_EQ(string.is_short_string(), false);
EXPECT_EQ(string.bytes().size(), 8u);
EXPECT_EQ(string.bytes_as_string_view(), "abcdefgh"sv);
}
TEST_CASE(substring)
{
auto superstring = MUST(String::from_utf8("Hello I am a long string"sv));
auto short_substring = MUST(superstring.substring_from_byte_offset(0, 5));
EXPECT_EQ(short_substring, "Hello"sv);
auto long_substring = MUST(superstring.substring_from_byte_offset(0, 10));
EXPECT_EQ(long_substring, "Hello I am"sv);
}
TEST_CASE(code_points)
{
auto string = MUST(String::from_utf8("🦬🪒"sv));
Vector<u32> code_points;
for (auto code_point : string.code_points())
code_points.append(code_point);
EXPECT_EQ(code_points[0], 0x1f9acu);
EXPECT_EQ(code_points[1], 0x1fa92u);
}
TEST_CASE(string_builder)
{
StringBuilder builder;
builder.append_code_point(0x1f9acu);
builder.append_code_point(0x1fa92u);
auto string = MUST(builder.to_string());
EXPECT_EQ(string, "🦬🪒"sv);
EXPECT_EQ(string.bytes().size(), 8u);
}
TEST_CASE(ak_format)
{
auto foo = MUST(String::formatted("Hello {}", MUST(String::from_utf8("friends"sv))));
EXPECT_EQ(foo, "Hello friends"sv);
}
TEST_CASE(replace)
{
{
auto haystack = MUST(String::from_utf8("Hello enemies"sv));
auto result = MUST(haystack.replace("enemies"sv, "friends"sv, ReplaceMode::All));
EXPECT_EQ(result, "Hello friends"sv);
}
{
auto base_title = MUST(String::from_utf8("anon@courage:~"sv));
auto result = MUST(base_title.replace("[*]"sv, "(*)"sv, ReplaceMode::FirstOnly));
EXPECT_EQ(result, "anon@courage:~"sv);
}
}
TEST_CASE(reverse)
{
auto test_reverse = [](auto test, auto expected) {
auto string = MUST(String::from_utf8(test));
auto result = MUST(string.reverse());
EXPECT_EQ(result, expected);
};
test_reverse(""sv, ""sv);
test_reverse("a"sv, "a"sv);
test_reverse("ab"sv, "ba"sv);
test_reverse("ab cd ef"sv, "fe dc ba"sv);
test_reverse("😀"sv, "😀"sv);
test_reverse("ab😀cd"sv, "dc😀ba"sv);
}
TEST_CASE(to_lowercase)
{
{
auto string = MUST(String::from_utf8("Aa"sv));
auto result = MUST(string.to_lowercase());
EXPECT_EQ(result, "aa"sv);
}
{
auto string = MUST(String::from_utf8("Ωω"sv));
auto result = MUST(string.to_lowercase());
EXPECT_EQ(result, "ωω"sv);
}
{
auto string = MUST(String::from_utf8("İi̇"sv));
auto result = MUST(string.to_lowercase());
EXPECT_EQ(result, "i̇i̇"sv);
}
}
TEST_CASE(to_uppercase)
{
{
auto string = MUST(String::from_utf8("Aa"sv));
auto result = MUST(string.to_uppercase());
EXPECT_EQ(result, "AA"sv);
}
{
auto string = MUST(String::from_utf8("Ωω"sv));
auto result = MUST(string.to_uppercase());
EXPECT_EQ(result, "ΩΩ"sv);
}
{
auto string = MUST(String::from_utf8("ʼn"sv));
auto result = MUST(string.to_uppercase());
EXPECT_EQ(result, "ʼN"sv);
}
}
TEST_CASE(is_one_of)
{
auto foo = MUST(String::from_utf8("foo"sv));
auto bar = MUST(String::from_utf8("bar"sv));
EXPECT(foo.is_one_of(foo));
EXPECT(foo.is_one_of(foo, bar));
EXPECT(foo.is_one_of(bar, foo));
EXPECT(!foo.is_one_of(bar));
EXPECT(!bar.is_one_of("foo"sv));
EXPECT(bar.is_one_of("foo"sv, "bar"sv));
EXPECT(bar.is_one_of("bar"sv, "foo"sv));
EXPECT(bar.is_one_of("bar"sv));
}
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