JUnit 4比较集 [英] JUnit 4 compare Sets

问题描述

您如何简洁地断言Collection元素的相等性，特别是JUnit 4中的Set?

How would you succinctly assert the equality of Collection elements, specifically a Set in JUnit 4?

推荐答案

您可以断言两个Set彼此相等，这将调用Set

You can assert that the two Sets are equal to one another, which invokes the Set equals() method.

public class SimpleTest {

    private Set<String> setA;
    private Set<String> setB;

    @Before
    public void setUp() {
        setA = new HashSet<String>();
        setA.add("Testing...");
        setB = new HashSet<String>();
        setB.add("Testing...");
    }

    @Test
    public void testEqualSets() {
        assertEquals( setA, setB );
    }
}

如果两个Set的大小相同且包含相同的元素，则此@Test将通过.

This @Test will pass if the two Sets are the same size and contain the same elements.

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