Polish ToStringCreatorTests
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Sam Brannen
parent
5aeafc0761
commit
5070604d4e
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@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2019 the original author or authors.
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* Copyright 2002-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -16,122 +16,173 @@
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package org.springframework.core.style;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.ObjectUtils;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Unit tests for {@link ToStringCreator}.
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*
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* @author Keith Donald
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* @author Sam Brannen
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*/
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class ToStringCreatorTests {
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private SomeObject s1, s2, s3;
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private final SomeObject s1 = new SomeObject() {
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@Override
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public String toString() {
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return "A";
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}
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};
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private final SomeObject s2 = new SomeObject() {
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@Override
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public String toString() {
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return "B";
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}
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};
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private final SomeObject s3 = new SomeObject() {
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@Override
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public String toString() {
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return "C";
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}
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};
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@BeforeEach
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void setUp() throws Exception {
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s1 = new SomeObject() {
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@Override
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public String toString() {
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return "A";
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}
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};
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s2 = new SomeObject() {
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@Override
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public String toString() {
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return "B";
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}
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};
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s3 = new SomeObject() {
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@Override
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public String toString() {
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return "C";
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}
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};
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@Test
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void primitiveArray() {
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int[] integers = {0, 1, 2, 3, 4};
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String str = new ToStringCreator(integers).toString();
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assertThat(str).isEqualTo(
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"[@%s array<Integer>[0, 1, 2, 3, 4]]",
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ObjectUtils.getIdentityHexString(integers));
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}
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@Test
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void defaultStyleMap() {
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final Map<String, String> map = getMap();
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Object stringy = new Object() {
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@Override
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public String toString() {
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return new ToStringCreator(this).append("familyFavoriteSport", map).toString();
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}
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};
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assertThat(stringy.toString()).isEqualTo(("[ToStringCreatorTests.4@" + ObjectUtils.getIdentityHexString(stringy) +
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" familyFavoriteSport = map['Keri' -> 'Softball', 'Scot' -> 'Fishing', 'Keith' -> 'Flag Football']]"));
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}
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private Map<String, String> getMap() {
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Map<String, String> map = new LinkedHashMap<>();
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map.put("Keri", "Softball");
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map.put("Scot", "Fishing");
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map.put("Keith", "Flag Football");
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return map;
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}
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@Test
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void defaultStyleArray() {
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void objectArray() {
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SomeObject[] array = new SomeObject[] {s1, s2, s3};
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String str = new ToStringCreator(array).toString();
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assertThat(str).isEqualTo(("[@" + ObjectUtils.getIdentityHexString(array) +
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" array<ToStringCreatorTests.SomeObject>[A, B, C]]"));
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assertThat(str).isEqualTo(
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"[@%s array<ToStringCreatorTests.SomeObject>[A, B, C]]",
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ObjectUtils.getIdentityHexString(array));
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}
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@Test
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void primitiveArrays() {
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int[] integers = new int[] {0, 1, 2, 3, 4};
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String str = new ToStringCreator(integers).toString();
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assertThat(str).isEqualTo(("[@" + ObjectUtils.getIdentityHexString(integers) + " array<Integer>[0, 1, 2, 3, 4]]"));
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void appendTopLevelClass() {
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SomeObject object = new SomeObject();
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String str = new ToStringCreator(object)
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.append("myClass", Integer.class)
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.toString();
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assertThat(str).isEqualTo(
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"[ToStringCreatorTests.SomeObject@%s myClass = Integer]",
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ObjectUtils.getIdentityHexString(object));
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}
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@Test
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void appendNestedClass() {
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SomeObject object = new SomeObject();
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String str = new ToStringCreator(object)
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.append("myClass", object.getClass())
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.toString();
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assertThat(str).isEqualTo(
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"[ToStringCreatorTests.SomeObject@%s myClass = ToStringCreatorTests.SomeObject]",
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ObjectUtils.getIdentityHexString(object));
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}
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@Test
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void appendTopLevelMethod() throws Exception {
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SomeObject object = new SomeObject();
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String str = new ToStringCreator(object)
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.append("myMethod", ToStringCreatorTests.class.getDeclaredMethod("someMethod"))
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.toString();
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assertThat(str).isEqualTo(
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"[ToStringCreatorTests.SomeObject@%s myMethod = someMethod@ToStringCreatorTests]",
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ObjectUtils.getIdentityHexString(object));
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}
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@Test
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void appendNestedMethod() throws Exception {
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SomeObject object = new SomeObject();
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String str = new ToStringCreator(object)
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.append("myMethod", SomeObject.class.getDeclaredMethod("someMethod"))
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.toString();
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assertThat(str).isEqualTo(
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"[ToStringCreatorTests.SomeObject@%s myMethod = someMethod@ToStringCreatorTests.SomeObject]",
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ObjectUtils.getIdentityHexString(object));
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}
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@Test
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void appendList() {
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List<SomeObject> list = new ArrayList<>();
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list.add(s1);
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list.add(s2);
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list.add(s3);
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String str = new ToStringCreator(this).append("myLetters", list).toString();
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assertThat(str).isEqualTo(("[ToStringCreatorTests@" + ObjectUtils.getIdentityHexString(this) + " myLetters = list[A, B, C]]"));
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SomeObject object = new SomeObject();
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List<SomeObject> list = List.of(s1, s2, s3);
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String str = new ToStringCreator(object)
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.append("myLetters", list)
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.toString();
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assertThat(str).isEqualTo(
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"[ToStringCreatorTests.SomeObject@%s myLetters = list[A, B, C]]",
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ObjectUtils.getIdentityHexString(object));
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}
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@Test
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void appendSet() {
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SomeObject object = new SomeObject();
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Set<SomeObject> set = new LinkedHashSet<>();
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set.add(s1);
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set.add(s2);
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set.add(s3);
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String str = new ToStringCreator(this).append("myLetters", set).toString();
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assertThat(str).isEqualTo(("[ToStringCreatorTests@" + ObjectUtils.getIdentityHexString(this) + " myLetters = set[A, B, C]]"));
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String str = new ToStringCreator(object)
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.append("myLetters", set)
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.toString();
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assertThat(str).isEqualTo(
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"[ToStringCreatorTests.SomeObject@%s myLetters = set[A, B, C]]",
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ObjectUtils.getIdentityHexString(object));
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}
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@Test
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void appendClass() {
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String str = new ToStringCreator(this).append("myClass", this.getClass()).toString();
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assertThat(str).isEqualTo(("[ToStringCreatorTests@" + ObjectUtils.getIdentityHexString(this) +
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" myClass = ToStringCreatorTests]"));
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}
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@Test
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void appendMethod() throws Exception {
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String str = new ToStringCreator(this).append("myMethod", this.getClass().getDeclaredMethod("appendMethod")).toString();
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assertThat(str).isEqualTo(("[ToStringCreatorTests@" + ObjectUtils.getIdentityHexString(this) +
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" myMethod = appendMethod@ToStringCreatorTests]"));
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void appendMap() {
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Map<String, String> map = new LinkedHashMap<>() {{
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put("Keri", "Softball");
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put("Scot", "Fishing");
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put("Keith", "Flag Football");
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}};
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Object stringy = new Object() {
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@Override
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public String toString() {
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return new ToStringCreator(this)
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.append("familyFavoriteSport", map)
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.toString();
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}
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};
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assertThat(stringy.toString())
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.containsSubsequence(
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"[",
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ClassUtils.getShortName(stringy.getClass().getName()),
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"@",
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ObjectUtils.getIdentityHexString(stringy),
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"familyFavoriteSport = map['Keri' -> 'Softball', 'Scot' -> 'Fishing', 'Keith' -> 'Flag Football']",
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"]"
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);
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}
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public static class SomeObject {
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private static class SomeObject {
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@SuppressWarnings("unused")
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private static void someMethod() {
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}
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}
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@SuppressWarnings("unused")
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private static void someMethod() {
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}
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}
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