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TestStringView.cpp
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TestStringView.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/TestSuite.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(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\nb\r\nc\rd";
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_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_MAIN(StringView)