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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/String.h>
TEST_CASE(construct_empty)
{
EXPECT(StringView().is_null());
EXPECT(StringView().is_empty());
EXPECT(!StringView().characters_without_null_termination());
EXPECT_EQ(StringView().length(), 0u);
}
TEST_CASE(view_literal)
{
const char* truth = "cats rule dogs drool";
StringView view(truth);
EXPECT_EQ(view.is_null(), false);
EXPECT_EQ(view.characters_without_null_termination(), truth);
EXPECT_EQ(view, view);
EXPECT_EQ(view, truth);
}
TEST_CASE(compare_views)
{
String foo1 = "foo";
String foo2 = "foo";
auto view1 = foo1.view();
auto view2 = foo2.view();
EXPECT_EQ(view1, view2);
EXPECT_EQ(view1, foo1);
EXPECT_EQ(view1, foo2);
EXPECT_EQ(view1, "foo");
}
TEST_CASE(string_view_literal_operator)
{
StringView literal_view = "foo"sv;
String test_string = "foo";
EXPECT_EQ(literal_view.length(), test_string.length());
EXPECT_EQ(literal_view, test_string);
}
TEST_CASE(starts_with)
{
String test_string = "ABCDEF";
StringView test_string_view = test_string.view();
EXPECT(test_string_view.starts_with('A'));
EXPECT(!test_string_view.starts_with('B'));
EXPECT(test_string_view.starts_with("AB"));
EXPECT(test_string_view.starts_with("ABCDEF"));
EXPECT(!test_string_view.starts_with("DEF"));
EXPECT(test_string_view.starts_with("abc", CaseSensitivity::CaseInsensitive));
EXPECT(!test_string_view.starts_with("abc", CaseSensitivity::CaseSensitive));
}
TEST_CASE(ends_with)
{
String test_string = "ABCDEF";
StringView test_string_view = test_string.view();
EXPECT(test_string_view.ends_with("DEF"));
EXPECT(test_string_view.ends_with('F'));
EXPECT(!test_string_view.ends_with('E'));
EXPECT(test_string_view.ends_with("ABCDEF"));
EXPECT(!test_string_view.ends_with("ABCDE"));
EXPECT(!test_string_view.ends_with("ABCDEFG"));
EXPECT(test_string_view.ends_with("def", CaseSensitivity::CaseInsensitive));
EXPECT(!test_string_view.ends_with("def", CaseSensitivity::CaseSensitive));
}
TEST_CASE(lines)
{
String test_string = "a\rb\nc\r\nd";
StringView test_string_view = test_string.view();
Vector<StringView> test_string_vector = test_string_view.lines();
EXPECT_EQ(test_string_vector.size(), 4u);
EXPECT(test_string_vector.at(0) == String("a"));
EXPECT(test_string_vector.at(1) == String("b"));
EXPECT(test_string_vector.at(2) == String("c"));
EXPECT(test_string_vector.at(3) == String("d"));
test_string = "```\nHello there\r\nHello there\n```";
test_string_view = test_string.view();
test_string_vector = test_string_view.lines();
EXPECT_EQ(test_string_vector.size(), 4u);
EXPECT(test_string_vector.at(0) == String("```"));
EXPECT(test_string_vector.at(1) == String("Hello there"));
EXPECT(test_string_vector.at(2) == String("Hello there"));
EXPECT(test_string_vector.at(3) == String("```"));
test_string = "\n\n\n";
test_string_view = test_string.view();
test_string_vector = test_string_view.lines();
EXPECT_EQ(test_string_vector.size(), 3u);
EXPECT_EQ(test_string_vector.at(0).is_empty(), true);
EXPECT_EQ(test_string_vector.at(1).is_empty(), true);
EXPECT_EQ(test_string_vector.at(2).is_empty(), true);
}
TEST_CASE(find_first_of)
{
String test_string = "aabbcc_xy_ccbbaa";
StringView test_string_view = test_string.view();
EXPECT_EQ(test_string_view.find_first_of('b').has_value(), true);
EXPECT_EQ(test_string_view.find_first_of('b').value(), 2U);
EXPECT_EQ(test_string_view.find_first_of('_').has_value(), true);
EXPECT_EQ(test_string_view.find_first_of('_').value(), 6U);
EXPECT_EQ(test_string_view.find_first_of("bc").has_value(), true);
EXPECT_EQ(test_string_view.find_first_of("bc").value(), 2U);
EXPECT_EQ(test_string_view.find_first_of("yx").has_value(), true);
EXPECT_EQ(test_string_view.find_first_of("yx").value(), 7U);
EXPECT_EQ(test_string_view.find_first_of('n').has_value(), false);
EXPECT_EQ(test_string_view.find_first_of("defg").has_value(), false);
}
TEST_CASE(find_last_of)
{
String test_string = "aabbcc_xy_ccbbaa";
StringView test_string_view = test_string.view();
EXPECT_EQ(test_string_view.find_last_of('b').has_value(), true);
EXPECT_EQ(test_string_view.find_last_of('b').value(), 13U);
EXPECT_EQ(test_string_view.find_last_of('_').has_value(), true);
EXPECT_EQ(test_string_view.find_last_of('_').value(), 9U);
EXPECT_EQ(test_string_view.find_last_of("bc").has_value(), true);
EXPECT_EQ(test_string_view.find_last_of("bc").value(), 13U);
EXPECT_EQ(test_string_view.find_last_of("yx").has_value(), true);
EXPECT_EQ(test_string_view.find_last_of("yx").value(), 8U);
EXPECT_EQ(test_string_view.find_last_of('3').has_value(), false);
EXPECT_EQ(test_string_view.find_last_of("fghi").has_value(), false);
test_string_view = "/";
EXPECT_EQ(test_string_view.find_last_of('/').has_value(), true);
EXPECT_EQ(test_string_view.find_last_of('/').value(), 0U);
EXPECT_EQ(test_string_view.find_last_of("/").has_value(), true);
EXPECT_EQ(test_string_view.find_last_of("/").value(), 0U);
}
TEST_CASE(split_view)
{
StringView test_string_view = "axxbxcxd";
EXPECT_EQ(test_string_view.split_view('x'), Vector<StringView>({ "a", "b", "c", "d" }));
EXPECT_EQ(test_string_view.split_view('x', true), Vector<StringView>({ "a", "", "b", "c", "d" }));
EXPECT_EQ(test_string_view.split_view("x"), Vector<StringView>({ "a", "b", "c", "d" }));
EXPECT_EQ(test_string_view.split_view("x", true), Vector<StringView>({ "a", "", "b", "c", "d" }));
test_string_view = "axxbx";
EXPECT_EQ(test_string_view.split_view('x'), Vector<StringView>({ "a", "b" }));
EXPECT_EQ(test_string_view.split_view('x', true), Vector<StringView>({ "a", "", "b", "" }));
EXPECT_EQ(test_string_view.split_view("x"), Vector<StringView>({ "a", "b" }));
EXPECT_EQ(test_string_view.split_view("x", true), Vector<StringView>({ "a", "", "b", "" }));
test_string_view = "axxbcxxdxx";
EXPECT_EQ(test_string_view.split_view("xx"), Vector<StringView>({ "a", "bc", "d" }));
EXPECT_EQ(test_string_view.split_view("xx", true), Vector<StringView>({ "a", "bc", "d", "" }));
test_string_view = "ax_b_cxd";
auto predicate = [](char ch) { return ch == 'x' || ch == '_'; };
EXPECT_EQ(test_string_view.split_view_if(predicate), Vector<StringView>({ "a", "b", "c", "d" }));
EXPECT_EQ(test_string_view.split_view_if(predicate, true), Vector<StringView>({ "a", "", "b", "c", "d" }));
EXPECT_EQ(test_string_view.split_view_if(predicate), Vector<StringView>({ "a", "b", "c", "d" }));
EXPECT_EQ(test_string_view.split_view_if(predicate, true), Vector<StringView>({ "a", "", "b", "c", "d" }));
}
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