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137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <AK/FlyString.h>
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#include <AK/String.h>
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#include <AK/Try.h>
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TEST_CASE(empty_string)
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{
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FlyString fly {};
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EXPECT(fly.is_empty());
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EXPECT_EQ(fly, ""sv);
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// Short strings do not get stored in the fly string table.
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EXPECT_EQ(FlyString::number_of_fly_strings(), 0u);
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}
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TEST_CASE(short_string)
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{
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FlyString fly1 { "foo"_string };
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EXPECT_EQ(fly1, "foo"sv);
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FlyString fly2 { "foo"_string };
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EXPECT_EQ(fly2, "foo"sv);
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FlyString fly3 { "bar"_string };
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EXPECT_EQ(fly3, "bar"sv);
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EXPECT_EQ(fly1, fly2);
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EXPECT_NE(fly1, fly3);
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EXPECT_NE(fly2, fly3);
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EXPECT(fly1.to_string().is_short_string());
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EXPECT(fly2.to_string().is_short_string());
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EXPECT(fly3.to_string().is_short_string());
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// Short strings do not get stored in the fly string table.
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EXPECT_EQ(FlyString::number_of_fly_strings(), 0u);
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}
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TEST_CASE(long_string)
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{
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FlyString fly1 { "thisisdefinitelymorethan7bytes"_string };
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EXPECT_EQ(fly1, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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FlyString fly2 { "thisisdefinitelymorethan7bytes"_string };
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EXPECT_EQ(fly2, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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FlyString fly3 { "thisisalsoforsuremorethan7bytes"_string };
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EXPECT_EQ(fly3, "thisisalsoforsuremorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 2u);
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EXPECT_EQ(fly1, fly2);
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EXPECT_NE(fly1, fly3);
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EXPECT_NE(fly2, fly3);
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EXPECT(!fly1.to_string().is_short_string());
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EXPECT(!fly2.to_string().is_short_string());
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EXPECT(!fly3.to_string().is_short_string());
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}
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TEST_CASE(from_string_view)
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{
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auto fly1 = "thisisdefinitelymorethan7bytes"_fly_string;
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EXPECT_EQ(fly1, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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auto fly2 = "thisisdefinitelymorethan7bytes"_fly_string;
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EXPECT_EQ(fly2, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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auto fly3 = "foo"_fly_string;
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EXPECT_EQ(fly3, "foo"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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EXPECT_EQ(fly1, fly2);
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EXPECT_NE(fly1, fly3);
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EXPECT_NE(fly2, fly3);
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}
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TEST_CASE(fly_string_keep_string_data_alive)
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{
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EXPECT_EQ(FlyString::number_of_fly_strings(), 0u);
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{
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FlyString fly {};
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{
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auto string = "thisisdefinitelymorethan7bytes"_string;
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fly = FlyString { string };
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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}
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EXPECT_EQ(fly, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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}
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EXPECT_EQ(FlyString::number_of_fly_strings(), 0u);
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}
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TEST_CASE(moved_fly_string_becomes_empty)
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{
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FlyString fly1 {};
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EXPECT(fly1.is_empty());
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FlyString fly2 { "thisisdefinitelymorethan7bytes"_string };
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EXPECT_EQ(fly2, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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fly1 = move(fly2);
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EXPECT(fly2.is_empty());
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EXPECT_EQ(fly1, "thisisdefinitelymorethan7bytes"sv);
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EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
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}
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TEST_CASE(is_one_of)
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{
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auto foo = MUST(FlyString::from_utf8("foo"sv));
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auto bar = MUST(FlyString::from_utf8("bar"sv));
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EXPECT(foo.is_one_of(foo));
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EXPECT(foo.is_one_of(foo, bar));
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EXPECT(foo.is_one_of(bar, foo));
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EXPECT(!foo.is_one_of(bar));
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EXPECT(!bar.is_one_of("foo"sv));
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EXPECT(bar.is_one_of("foo"sv, "bar"sv));
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EXPECT(bar.is_one_of("bar"sv, "foo"sv));
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EXPECT(bar.is_one_of("bar"sv));
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}
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