44 lines
1.1 KiB
Java
44 lines
1.1 KiB
Java
package com.baeldung.circularbuffer;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import org.junit.jupiter.api.Test;
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public class CircularBufferUnitTest {
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private final String[] shapes = { "Circle", "Triangle", "Rectangle", "Square", "Rhombus", "Trapezoid", "Pentagon", "Pentagram", "Hexagon", "Hexagram" };
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@Test
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public void givenCircularBuffer_WhenAnElementIsAddedAndRemoved_thenBufferIsEmpty() {
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int capacity = 2;
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CircularBuffer<String> buffer = new CircularBuffer<>(capacity);
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assertEquals(capacity, buffer.capacity());
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buffer.offer("Rectangle");
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assertEquals(false, buffer.isEmpty());
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assertEquals(1, buffer.size());
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buffer.poll();
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assertEquals(true, buffer.isEmpty());
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}
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@Test
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public void givenCircularBuffer_WhenElementsAreAddedToCapacity_thenBufferIsFull() {
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int capacity = shapes.length;
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CircularBuffer<String> buffer = new CircularBuffer<>(capacity);
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assertEquals(true, buffer.isEmpty());
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for (String shape : shapes) {
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buffer.offer(shape);
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}
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assertEquals(true, buffer.isFull());
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}
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}
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