?? whennoparametersmatch.java
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package org.junit.tests.experimental.theories.runner;import static org.hamcrest.CoreMatchers.is;import static org.hamcrest.CoreMatchers.not;import static org.junit.Assert.assertThat;import static org.junit.Assume.assumeThat;import static org.junit.experimental.results.PrintableResult.testResult;import static org.junit.internal.matchers.StringContains.containsString;import org.hamcrest.Matcher;import org.junit.experimental.theories.DataPoints;import org.junit.experimental.theories.Theories;import org.junit.experimental.theories.Theory;import org.junit.runner.RunWith;@RunWith(Theories.class)public class WhenNoParametersMatch { @DataPoints public static int[] ints= { 0, 1, 3, 5, 1776 }; @DataPoints public static Matcher<?>[] matchers= { not(0), is(1) }; @RunWith(Theories.class) public static class AssumptionsFail { public static int DATA= 0; public static Matcher<Integer> MATCHER= null; @Theory public void nonZeroIntsAreFun(int x) { assumeThat(x, MATCHER); } } @Theory public void showFailedAssumptionsWhenNoParametersFound(int data, Matcher<Integer> matcher) throws Exception { assumeThat(data, not(matcher)); AssumptionsFail.DATA= data; AssumptionsFail.MATCHER= matcher; String result= testResult(AssumptionsFail.class).toString(); assertThat(result, containsString(matcher.toString())); assertThat(result, containsString("" + data)); }}
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