v8/test/cctest/test-unbound-queue.cc

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// Copyright 2010 the V8 project authors. All rights reserved.
//
// Tests of the unbound queue.
#include "v8.h"
#include "unbound-queue-inl.h"
#include "cctest.h"
namespace i = v8::internal;
using i::UnboundQueue;
TEST(SingleRecord) {
typedef int Record;
UnboundQueue<Record> cq;
CHECK(cq.IsEmpty());
cq.Enqueue(1);
CHECK(!cq.IsEmpty());
Record rec = 0;
cq.Dequeue(&rec);
CHECK_EQ(1, rec);
CHECK(cq.IsEmpty());
}
TEST(MultipleRecords) {
typedef int Record;
UnboundQueue<Record> cq;
CHECK(cq.IsEmpty());
cq.Enqueue(1);
CHECK(!cq.IsEmpty());
for (int i = 2; i <= 5; ++i) {
cq.Enqueue(i);
CHECK(!cq.IsEmpty());
}
Record rec = 0;
for (int i = 1; i <= 4; ++i) {
CHECK(!cq.IsEmpty());
cq.Dequeue(&rec);
CHECK_EQ(i, rec);
}
for (int i = 6; i <= 12; ++i) {
cq.Enqueue(i);
CHECK(!cq.IsEmpty());
}
for (int i = 5; i <= 12; ++i) {
CHECK(!cq.IsEmpty());
cq.Dequeue(&rec);
CHECK_EQ(i, rec);
}
CHECK(cq.IsEmpty());
}