BAEL - 1577 hamcrest core matchers 2.0 version examples as test cases (#4214)
* BAEL-1577 : hamcrest core matchers examples added as test cases * BAEL-1577 : Hamcrest java library 2.0.0.0 examples updated as test cases * BAEL-1577 : changed test class name to HamcrestCoreMatchersTest to resolve conflicts
This commit is contained in:
Harsh Jain
maibin
parent
07838a2d25
commit
e166f5d9c9
@ -32,6 +32,14 @@
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.hamcrest/java-hamcrest -->
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>java-hamcrest</artifactId>
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<version>${java-hamcrest.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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@ -52,6 +60,7 @@
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<!-- testing -->
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<assertj.version>3.6.1</assertj.version>
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<java-hamcrest.version>2.0.0.0</java-hamcrest.version>
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</properties>
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</project>
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@ -0,0 +1,259 @@
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package org.baeldung.hamcrest;
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import com.google.common.collect.Lists;
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import org.junit.Test;
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import java.util.List;
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import static org.hamcrest.CoreMatchers.*;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.core.StringEndsWith.endsWith;
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import static org.hamcrest.core.StringStartsWith.startsWith;
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public class HamcrestCoreMatchersTest {
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@Test
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public void givenTestInput_WhenUsingIsForMatch() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, is("hamcrest core"));
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assertThat(testString, is(equalTo("hamcrest core")));
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}
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@Test
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public void givenDifferentStaticTypeTestInput_WhenUsingEqualToObject_ThenCorrect() {
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// GIVEN
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Object original = 100;
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// ASSERT
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assertThat(original, equalToObject(100));
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}
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@Test
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public void givenTestInput_WhenUsingInstanceOfForClassTypeCheck() {
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assertThat("hamcrest", is(instanceOf(String.class)));
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}
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@Test
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public void givenTestInput_WhenUsingIsA_ThenAssertType() {
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assertThat("hamcrest core", isA(String.class));
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}
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@Test
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public void givenTestInput_WhenUsingEqualToMatcherForEquality() {
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// GIVEN
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String actualString = "Hamcrest Core";
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List<String> actualList = Lists.newArrayList("hamcrest", "core");
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// ASSERT
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assertThat(actualString, is(equalTo("Hamcrest Core")));
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assertThat(actualList, is(equalTo(Lists.newArrayList("hamcrest", "core"))));
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}
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@Test
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public void givenTestInput_WhenUsingNotForMatch() {
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// GIVEN
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String testString = "hamcrest";
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// ASSERT
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assertThat(testString, not("hamcrest core"));
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assertThat(testString, is(not(equalTo("hamcrest core"))));
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assertThat(testString, is(not(instanceOf(Integer.class))));
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}
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@Test
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public void givenTestInput_WhenUsingNullValueForNullCheck() {
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// GIVEN
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Integer nullObject = null;
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// ASSERT
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assertThat(nullObject, is(nullValue()));
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assertThat(nullObject, is(nullValue(Integer.class)));
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}
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@Test
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public void givenTestInput_WhenUsingNotNullValueForNotNullCheck() {
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// GIVEN
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Integer testNumber = 123;
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// ASSERT
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assertThat(testNumber, is(notNullValue()));
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assertThat(testNumber, is(notNullValue(Integer.class)));
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}
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@Test
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public void givenString_WhenStartsWith_ThenCorrect() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, startsWith("hamcrest"));
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}
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@Test
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public void giveString_WhenStartsWithIgnoringCase_ThenCorrect() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, startsWithIgnoringCase("HAMCREST"));
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}
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@Test
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public void givenString_WhenEndsWith_ThenCorrect() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, endsWith("core"));
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}
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@Test
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public void givenString_WhenEndsWithIgnoringCase_ThenCorrect() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, endsWithIgnoringCase("CORE"));
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}
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@Test
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public void givenString_WhenContainsString_ThenCorrect() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, containsString("co"));
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}
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@Test
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public void givenString_WhenContainsStringIgnoringCase_ThenCorrect() {
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// GIVEN
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String testString = "hamcrest core";
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// ASSERT
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assertThat(testString, containsStringIgnoringCase("CO"));
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}
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@Test
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public void givenTestInput_WhenUsingHasItemInCollection() {
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// GIVEN
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List<String> list = Lists.newArrayList("java", "spring", "baeldung");
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// ASSERT
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assertThat(list, hasItem("java"));
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assertThat(list, hasItem(isA(String.class)));
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}
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@Test
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public void givenTestInput_WhenUsingHasItemsInCollection() {
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// GIVEN
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List<String> list = Lists.newArrayList("java", "spring", "baeldung");
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// ASSERT
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assertThat(list, hasItems("java", "baeldung"));
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assertThat(list, hasItems(isA(String.class), endsWith("ing")));
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}
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@Test
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public void givenTestInput_WhenUsingAnyForClassType() {
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assertThat("hamcrest", is(any(String.class)));
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assertThat("hamcrest", is(any(Object.class)));
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}
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@Test
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public void givenTestInput_WhenUsingAllOfForAllMatchers() {
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// GIVEN
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String testString = "Hamcrest Core";
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// ASSERT
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assertThat(testString, allOf(startsWith("Ham"), endsWith("ore"), containsString("Core")));
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}
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@Test
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public void givenTestInput_WhenUsingAnyOfForAnyMatcher() {
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// GIVEN
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String testString = "Hamcrest Core";
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// ASSERT
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assertThat(testString, anyOf(startsWith("Ham"), containsString("baeldung")));
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}
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@Test
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public void givenTestInput_WhenUsingBothForMatcher() {
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// GIVEN
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String testString = "Hamcrest Core Matchers";
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// ASSERT
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assertThat(testString, both(startsWith("Ham")).and(containsString("Core")));
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}
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@Test
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public void givenTestInput_WhenUsingEitherForMatcher() {
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// GIVEN
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String testString = "Hamcrest Core Matchers";
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// ASSERT
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assertThat(testString, either(startsWith("Bael")).or(containsString("Core")));
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}
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@Test
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public void givenTestInput_WhenUsingEveryItemForMatchInCollection() {
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// GIVEN
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List<String> testItems = Lists.newArrayList("Common", "Core", "Combinable");
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// ASSERT
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assertThat(testItems, everyItem(startsWith("Co")));
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}
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@Test
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public void givenTwoTestInputs_WhenUsingSameInstanceForMatch() {
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// GIVEN
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String string1 = "hamcrest";
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String string2 = string1;
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// ASSERT
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assertThat(string1, is(sameInstance(string2)));
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}
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@Test
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public void givenTwoTestInputs_WhenUsingTheInstanceForMatch() {
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// GIVEN
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String string1 = "hamcrest";
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String string2 = string1;
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// ASSERT
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assertThat(string1, is(theInstance(string2)));
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}
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}
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