зеркало из https://github.com/mozilla/moz-skia.git
60 строки
1.5 KiB
C++
60 строки
1.5 KiB
C++
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/*
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* Copyright 2011 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 "Test.h"
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#include "SkRandom.h"
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#include "SkTSort.h"
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extern "C" {
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static int compare_int(const void* a, const void* b) {
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return *(const int*)a - *(const int*)b;
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}
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}
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static void rand_array(SkRandom& rand, int array[], int n) {
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for (int j = 0; j < n; j++) {
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array[j] = rand.nextS() & 0xFF;
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}
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}
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static void check_sort(skiatest::Reporter* reporter, const char label[],
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const int array[], int n) {
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for (int j = 1; j < n; j++) {
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if (array[j-1] > array[j]) {
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SkString str;
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str.printf("%sSort [%d] failed %d %d", label, n,
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array[j-1], array[j]);
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reporter->reportFailed(str);
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}
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}
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}
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static void TestSort(skiatest::Reporter* reporter) {
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int array[500];
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SkRandom rand;
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for (int i = 0; i < 10000; i++) {
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int count = rand.nextRangeU(1, SK_ARRAY_COUNT(array));
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rand_array(rand, array, count);
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SkTHeapSort<int>(array, count);
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check_sort(reporter, "Heap", array, count);
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rand_array(rand, array, count);
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SkTQSort<int>(array, array + count - 1);
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check_sort(reporter, "Quick", array, count);
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}
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if (false) { // avoid bit rot, suppress warning
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compare_int(array, array);
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}
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}
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// need tests for SkStrSearch
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("Sort", SortTestClass, TestSort)
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