зеркало из https://github.com/mozilla/moz-skia.git
136 строки
3.9 KiB
C++
136 строки
3.9 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkTSet.h"
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#include "Test.h"
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// Tests the SkTSet<T> class template.
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// Functions that just call SkTDArray are not tested.
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static void TestTSet_basic(skiatest::Reporter* reporter) {
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SkTSet<int> set0;
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REPORTER_ASSERT(reporter, set0.isEmpty());
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REPORTER_ASSERT(reporter, !set0.contains(-1));
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REPORTER_ASSERT(reporter, !set0.contains(0));
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REPORTER_ASSERT(reporter, !set0.contains(1));
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REPORTER_ASSERT(reporter, set0.count() == 0);
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REPORTER_ASSERT(reporter, set0.add(0));
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REPORTER_ASSERT(reporter, !set0.isEmpty());
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REPORTER_ASSERT(reporter, !set0.contains(-1));
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REPORTER_ASSERT(reporter, set0.contains(0));
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REPORTER_ASSERT(reporter, !set0.contains(1));
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REPORTER_ASSERT(reporter, set0.count() == 1);
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REPORTER_ASSERT(reporter, !set0.add(0));
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REPORTER_ASSERT(reporter, set0.count() == 1);
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#ifdef SK_DEBUG
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set0.validate();
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#endif
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}
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#define COUNT 1732
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#define PRIME1 10007
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#define PRIME2 1733
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// Generates a series of positive unique pseudo-random numbers.
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static int f(int i) {
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return (long(i) * PRIME1) % PRIME2;
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}
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// Will expose contains() too.
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static void TestTSet_advanced(skiatest::Reporter* reporter) {
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SkTSet<int> set0;
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for (int i = 0; i < COUNT; i++) {
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REPORTER_ASSERT(reporter, !set0.contains(f(i)));
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if (i > 0) {
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REPORTER_ASSERT(reporter, set0.contains(f(0)));
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REPORTER_ASSERT(reporter, set0.contains(f(i / 2)));
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REPORTER_ASSERT(reporter, set0.contains(f(i - 1)));
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}
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REPORTER_ASSERT(reporter, !set0.contains(f(i)));
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REPORTER_ASSERT(reporter, set0.count() == i);
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REPORTER_ASSERT(reporter, set0.add(f(i)));
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REPORTER_ASSERT(reporter, set0.contains(f(i)));
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REPORTER_ASSERT(reporter, set0.count() == i + 1);
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REPORTER_ASSERT(reporter, !set0.add(f(i)));
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}
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// Test deterministic output
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for (int i = 0; i < COUNT; i++) {
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REPORTER_ASSERT(reporter, set0[i] == f(i));
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}
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// Test copy constructor too.
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SkTSet<int> set1 = set0;
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REPORTER_ASSERT(reporter, set0.count() == set1.count());
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REPORTER_ASSERT(reporter, !set1.contains(-1000));
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for (int i = 0; i < COUNT; i++) {
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REPORTER_ASSERT(reporter, set1.contains(f(i)));
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REPORTER_ASSERT(reporter, set1[i] == f(i));
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}
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// Test operator= too.
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SkTSet<int> set2;
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set2 = set0;
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REPORTER_ASSERT(reporter, set0.count() == set2.count());
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REPORTER_ASSERT(reporter, !set2.contains(-1000));
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for (int i = 0; i < COUNT; i++) {
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REPORTER_ASSERT(reporter, set2.contains(f(i)));
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REPORTER_ASSERT(reporter, set2[i] == f(i));
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}
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#ifdef SK_DEBUG
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set0.validate();
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set1.validate();
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set2.validate();
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#endif
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}
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static void TestTSet_merge(skiatest::Reporter* reporter) {
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SkTSet<int> set;
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SkTSet<int> setOdd;
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for (int i = 0; i < COUNT; i++) {
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REPORTER_ASSERT(reporter, set.add(2 * i));
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REPORTER_ASSERT(reporter, setOdd.add(2 * i + 1));
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}
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// mergeInto returns the number of duplicates. Expected 0.
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REPORTER_ASSERT(reporter, set.mergeInto(setOdd) == 0);
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REPORTER_ASSERT(reporter, set.count() == 2 * COUNT);
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// mergeInto should now find all new numbers duplicate.
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REPORTER_ASSERT(reporter, set.mergeInto(setOdd) == setOdd.count());
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REPORTER_ASSERT(reporter, set.count() == 2 * COUNT);
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for (int i = 0; i < 2 * COUNT; i++) {
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REPORTER_ASSERT(reporter, set.contains(i));
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}
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// check deterministic output
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for (int i = 0; i < COUNT; i++) {
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REPORTER_ASSERT(reporter, set[i] == 2 * i);
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REPORTER_ASSERT(reporter, set[COUNT + i] == 2 * i + 1);
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}
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#ifdef SK_DEBUG
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set.validate();
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setOdd.validate();
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#endif
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}
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DEF_TEST(TSet, reporter) {
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TestTSet_basic(reporter);
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TestTSet_advanced(reporter);
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TestTSet_merge(reporter);
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}
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