35 lines
790 B
C++
35 lines
790 B
C++
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#include "testutils/QueueMapTest.h"
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#include <boost/optional/optional_io.hpp>
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class QueueMapPeekTest: public QueueMapTest {};
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TEST_F(QueueMapPeekTest, PoppingFromEmpty) {
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EXPECT_EQ(boost::none, peek());
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}
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TEST_F(QueueMapPeekTest, PushingOne) {
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push(3, 2);
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EXPECT_EQ(2, peek().value());
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}
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TEST_F(QueueMapPeekTest, PushingTwo) {
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push(2, 3);
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push(3, 4);
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EXPECT_EQ(3, peek().value());
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EXPECT_EQ(3, peek().value());
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EXPECT_EQ(3, pop().value());
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EXPECT_EQ(4, peek().value());
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EXPECT_EQ(4, peek().value());
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EXPECT_EQ(4, pop().value());
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EXPECT_EQ(boost::none, peek());
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EXPECT_EQ(boost::none, pop());
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}
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TEST_F(QueueMapPeekTest, AfterPushingTwoAndPoppingFirst) {
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push(2, 3);
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push(3, 4);
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pop(2);
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EXPECT_EQ(boost::none, pop(2));
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EXPECT_EQ(4, peek().value());
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}
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