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6e19ab2bbc
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@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/BinaryHeap.h>
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#include <AK/DeprecatedString.h>
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TEST_CASE(construct)
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{
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BinaryHeap<int, int, 5> empty;
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EXPECT(empty.is_empty());
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EXPECT(empty.size() == 0);
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}
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TEST_CASE(construct_from_existing)
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{
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int keys[] = { 3, 2, 1 };
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char values[] = { 'c', 'b', 'a' };
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BinaryHeap<int, char, 5> from_existing(keys, values, 3);
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EXPECT(from_existing.size() == 3);
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EXPECT_EQ(from_existing.pop_min(), 'a');
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EXPECT_EQ(from_existing.pop_min(), 'b');
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EXPECT_EQ(from_existing.pop_min(), 'c');
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}
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TEST_CASE(populate_int)
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{
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BinaryHeap<int, int, 5> ints;
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ints.insert(1, 10);
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ints.insert(3, 20);
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ints.insert(2, 30);
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EXPECT_EQ(ints.size(), 3u);
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EXPECT_EQ(ints.pop_min(), 10);
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EXPECT_EQ(ints.size(), 2u);
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EXPECT_EQ(ints.pop_min(), 30);
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EXPECT_EQ(ints.size(), 1u);
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EXPECT_EQ(ints.pop_min(), 20);
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EXPECT_EQ(ints.size(), 0u);
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}
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TEST_CASE(populate_string)
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{
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BinaryHeap<int, DeprecatedString, 5> strings;
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strings.insert(1, "ABC");
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strings.insert(2, "DEF");
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EXPECT_EQ(strings.size(), 2u);
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EXPECT_EQ(strings.pop_min(), "ABC");
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EXPECT_EQ(strings.pop_min(), "DEF");
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EXPECT(strings.is_empty());
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}
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TEST_CASE(large_populate_reverse)
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{
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BinaryHeap<int, int, 1024> ints;
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for (int i = 1023; i >= 0; i--) {
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ints.insert(i, i);
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}
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EXPECT_EQ(ints.size(), 1024u);
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for (int i = 0; i < 1024; i++) {
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EXPECT_EQ(ints.peek_min(), i);
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EXPECT_EQ(ints.pop_min(), i);
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}
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}
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