зеркало из https://github.com/mozilla/moz-skia.git
97 строки
2.7 KiB
C++
97 строки
2.7 KiB
C++
#include "Test.h"
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#include "SkDeque.h"
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static void assert_count(skiatest::Reporter* reporter, const SkDeque& deq, int count) {
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if (0 == count) {
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REPORTER_ASSERT(reporter, deq.empty());
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REPORTER_ASSERT(reporter, 0 == deq.count());
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REPORTER_ASSERT(reporter, sizeof(int) == deq.elemSize());
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REPORTER_ASSERT(reporter, NULL == deq.front());
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REPORTER_ASSERT(reporter, NULL == deq.back());
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} else {
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REPORTER_ASSERT(reporter, !deq.empty());
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REPORTER_ASSERT(reporter, count == deq.count());
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REPORTER_ASSERT(reporter, sizeof(int) == deq.elemSize());
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REPORTER_ASSERT(reporter, NULL != deq.front());
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REPORTER_ASSERT(reporter, NULL != deq.back());
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if (1 == count) {
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REPORTER_ASSERT(reporter, deq.back() == deq.front());
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} else {
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REPORTER_ASSERT(reporter, deq.back() != deq.front());
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}
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}
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}
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static void assert_f2biter(skiatest::Reporter* reporter, const SkDeque& deq,
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int max, int min) {
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SkDeque::F2BIter iter(deq);
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void* ptr;
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int value = max;
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while ((ptr = iter.next()) != NULL) {
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REPORTER_ASSERT(reporter, value == *(int*)ptr);
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value -= 1;
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}
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REPORTER_ASSERT(reporter, value+1 == min);
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}
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static void TestDeque(skiatest::Reporter* reporter) {
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SkDeque deq(sizeof(int));
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int i;
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// test pushing on the front
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assert_count(reporter, deq, 0);
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for (i = 1; i <= 10; i++) {
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*(int*)deq.push_front() = i;
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}
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assert_count(reporter, deq, 10);
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assert_f2biter(reporter, deq, 10, 1);
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for (i = 0; i < 5; i++) {
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deq.pop_front();
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}
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assert_count(reporter, deq, 5);
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assert_f2biter(reporter, deq, 5, 1);
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for (i = 0; i < 5; i++) {
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deq.pop_front();
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}
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assert_count(reporter, deq, 0);
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// now test pushing on the back
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for (i = 10; i >= 1; --i) {
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*(int*)deq.push_back() = i;
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}
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assert_count(reporter, deq, 10);
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assert_f2biter(reporter, deq, 10, 1);
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for (i = 0; i < 5; i++) {
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deq.pop_back();
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}
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assert_count(reporter, deq, 5);
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assert_f2biter(reporter, deq, 10, 6);
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for (i = 0; i < 5; i++) {
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deq.pop_back();
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}
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assert_count(reporter, deq, 0);
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// now tests pushing/poping on both ends
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*(int*)deq.push_front() = 5;
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*(int*)deq.push_back() = 4;
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*(int*)deq.push_front() = 6;
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*(int*)deq.push_back() = 3;
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*(int*)deq.push_front() = 7;
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*(int*)deq.push_back() = 2;
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*(int*)deq.push_front() = 8;
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*(int*)deq.push_back() = 1;
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assert_count(reporter, deq, 8);
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assert_f2biter(reporter, deq, 8, 1);
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("Deque", TestDequeClass, TestDeque)
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