10. 自定义assertThat中的Matcher函数lt、gt

最新推荐文章于 2025-01-29 00:15:00 发布

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最新推荐文章于 2025-01-29 00:15:00 发布 · 234 阅读

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package lesson10;

import org.junit.Test;
import static org.hamcrest.CoreMatchers.both;
import static org.junit.Assert.assertThat;

public class SimpleTest {
    @Test
    public void test() {
        assertThat(1, CompareNumberMatcher.lt(3));
        assertThat(10, CompareNumberMatcher.gt(3));
        assertThat(5, both(CompareNumberMatcher.gt(3)).and(CompareNumberMatcher.lt(10)));

    }
}

package lesson10;

import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Factory;

public class CompareNumberMatcher<T extends Number> extends BaseMatcher<T> {

    private final T value;
    private final Boolean greater;

    public CompareNumberMatcher(T value, Boolean greater) {
        this.value = value;
        this.greater = greater;
    }