android assertequals hamcrest lists code example
Example 1: error: The method assertThat(T, Matcher) in the type MatcherAssert is not applicable for the arguments (List, Matcher>)
assertTrue(result instanceof String);
// error message:
java.lang.AssertionError
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertTrue(Assert.java:52)
// ...
assertEquals(String.class, result.getClass());
// error message:
java.lang.NullPointerException
at com.vogella.hamcrest.HamcrestTest.test(HamcrestTest.java:30)
// ....
assertThat(result, instanceOf(String.class));
// error message:
java.lang.AssertionError:
Expected: an instance of java.lang.String
but: null
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)
// ...
Example 2: error: The method assertThat(T, Matcher) in the type MatcherAssert is not applicable for the arguments (List, Matcher>)
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.equalTo;
boolean a;
boolean b;
// all statements test the same
assertThat(a, equalTo(b));
assertThat(a, is(equalTo(b)));
assertThat(a, is(b));