test: containers.simpleQueue.

bhelyer · bhelyer · commit 65fa51819e9d · 2018-06-25T17:48:25.000+12:00
diff --git a/test/containers/simpleQueue/test.volt b/test/containers/simpleQueue/test.volt
@@ -0,0 +1,80 @@
+module main;
+
+import watt.io;
+import watt.containers.queue;
+
+struct IntegerQueue = mixin Queue!i32;
+
+fn verifyQueue(q: IntegerQueue, arr: i32[]) bool
+{
+	return q.length == arr.length && arr == q.borrowUnsafe();
+}
+
+fn main() i32
+{
+	q: IntegerQueue;
+	if (!verifyQueue(q, null)) {
+		return 1;
+	}
+
+	q.enqueue(73);
+	if (!verifyQueue(q, [73]) || q.peek() != 73) {
+		return 2;
+	}
+	val := q.dequeue();
+	if (val != 73) {
+		return 3;
+	}
+	if (!verifyQueue(q, null)) {
+		return 4;
+	}
+
+
+	q.enqueue(41);
+	q.enqueue(31);
+	q.enqueue(21);
+	if (!verifyQueue(q, [21, 31, 41]) || q.peek() != 41) {
+		return 5;
+	}
+	if (q.dequeue() != 41) {
+		return 6;
+	}
+	if (q.dequeue() != 31) {
+		return 7;
+	}
+	if (q.dequeue() != 21) {
+		return 8;
+	}
+	if (!verifyQueue(q, null)) {
+		return 9;
+	}
+
+	q.clear();
+	if (!verifyQueue(q, null)) {
+		return 10;
+	}
+
+	q.enqueue(17384);
+	foreach (i: i32; 0 .. 1024) {
+		q.enqueue(i);
+		if (q.peek() != 17384) {
+			return 11;
+		}
+	}
+
+	if (q.dequeue() != 17384) {
+		return 12;
+	}
+	i := 0;
+	while (i != 1024) {
+		if (q.dequeue() != i++) {
+			return 13;
+		}
+	}
+
+	if (!verifyQueue(q, null)) {
+		return 14;
+	}
+
+	return 0;
+}
