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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/messagebus/queue.h>
using namespace mbus;
TEST_SETUP(Test);
int
Test::Main()
{
TEST_INIT("queue_test");
Queue<int> q;
EXPECT_TRUE(q.size() == 0);
q.push(1);
EXPECT_TRUE(q.size() == 1);
EXPECT_TRUE(q.front() == 1);
q.push(2);
EXPECT_TRUE(q.size() == 2);
EXPECT_TRUE(q.front() == 1);
q.push(3);
EXPECT_TRUE(q.size() == 3);
EXPECT_TRUE(q.front() == 1);
q.push(4);
EXPECT_TRUE(q.size() == 4);
EXPECT_TRUE(q.front() == 1);
q.push(5);
EXPECT_TRUE(q.size() == 5);
EXPECT_TRUE(q.front() == 1);
q.push(6);
EXPECT_TRUE(q.size() == 6);
EXPECT_TRUE(q.front() == 1);
q.push(7);
EXPECT_TRUE(q.size() == 7);
EXPECT_TRUE(q.front() == 1);
q.push(8);
EXPECT_TRUE(q.size() == 8);
EXPECT_TRUE(q.front() == 1);
q.push(9);
EXPECT_TRUE(q.size() == 9);
EXPECT_TRUE(q.front() == 1);
q.pop();
EXPECT_TRUE(q.size() == 8);
EXPECT_TRUE(q.front() == 2);
q.pop();
EXPECT_TRUE(q.size() == 7);
EXPECT_TRUE(q.front() == 3);
q.pop();
EXPECT_TRUE(q.size() == 6);
EXPECT_TRUE(q.front() == 4);
q.push(1);
EXPECT_TRUE(q.size() == 7);
EXPECT_TRUE(q.front() == 4);
q.push(2);
EXPECT_TRUE(q.size() == 8);
EXPECT_TRUE(q.front() == 4);
q.push(3);
EXPECT_TRUE(q.size() == 9);
EXPECT_TRUE(q.front() == 4);
q.pop();
EXPECT_TRUE(q.size() == 8);
EXPECT_TRUE(q.front() == 5);
q.pop();
EXPECT_TRUE(q.size() == 7);
EXPECT_TRUE(q.front() == 6);
q.pop();
EXPECT_TRUE(q.size() == 6);
EXPECT_TRUE(q.front() == 7);
q.pop();
EXPECT_TRUE(q.size() == 5);
EXPECT_TRUE(q.front() == 8);
q.pop();
EXPECT_TRUE(q.size() == 4);
EXPECT_TRUE(q.front() == 9);
q.pop();
EXPECT_TRUE(q.size() == 3);
EXPECT_TRUE(q.front() == 1);
q.pop();
EXPECT_TRUE(q.size() == 2);
EXPECT_TRUE(q.front() == 2);
q.pop();
EXPECT_TRUE(q.size() == 1);
EXPECT_TRUE(q.front() == 3);
q.pop();
EXPECT_TRUE(q.size() == 0);
TEST_DONE();
}
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