| package org.hamcrest.collection; |
| |
| import org.hamcrest.AbstractMatcherTest; |
| import org.hamcrest.Matcher; |
| import org.hamcrest.StringDescription; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| public class IsInTest extends AbstractMatcherTest { |
| String[] elements = {"a", "b", "c"}; |
| |
| @Override |
| protected Matcher<?> createMatcher() { |
| return new IsIn<String>(elements); |
| } |
| |
| public void testReturnsTrueIfArgumentIsInCollection() { |
| Collection<String> collection = Arrays.asList(elements); |
| Matcher<String> isIn = new IsIn<String>(collection); |
| |
| assertMatches("a", isIn, "a"); |
| assertMatches("b", isIn, "b"); |
| assertMatches("c", isIn, "c"); |
| assertDoesNotMatch("d", isIn, "d"); |
| } |
| |
| public void testReturnsTrueIfArgumentIsInArray() { |
| Matcher<String> isIn = new IsIn<String>(elements); |
| |
| assertMatches("a", isIn, "a"); |
| assertMatches("b", isIn, "b"); |
| assertMatches("c", isIn, "c"); |
| assertDoesNotMatch("d", isIn, "d"); |
| } |
| |
| public void testHasReadableDescription() { |
| Matcher<String> isIn = new IsIn<String>(elements); |
| |
| assertEquals("description", |
| "one of {\"a\", \"b\", \"c\"}", |
| StringDescription.toString(isIn)); |
| } |
| } |