Test that GraphAdapterBuilder works with collections.
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@ -291,7 +291,7 @@ public final class GraphAdapterBuilder {
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void read(Graph graph) throws IOException {
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void read(Graph graph) throws IOException {
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if (graph.nextCreate != null) {
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if (graph.nextCreate != null) {
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throw new IllegalStateException("Unexpected recursive call to read()");
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throw new IllegalStateException("Unexpected recursive call to read() for " + id);
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}
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}
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graph.nextCreate = this;
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graph.nextCreate = this;
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value = typeAdapter.fromJsonTree(element);
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value = typeAdapter.fromJsonTree(element);
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@ -18,6 +18,11 @@ package com.google.gson.graph;
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import com.google.gson.Gson;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.GsonBuilder;
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import com.google.gson.reflect.TypeToken;
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import java.lang.reflect.Type;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import junit.framework.TestCase;
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import junit.framework.TestCase;
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public final class GraphAdapterBuilderTest extends TestCase {
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public final class GraphAdapterBuilderTest extends TestCase {
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@ -38,7 +43,7 @@ public final class GraphAdapterBuilderTest extends TestCase {
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assertEquals("{'0x1':{'name':'ROCK','beats':'0x2'}," +
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assertEquals("{'0x1':{'name':'ROCK','beats':'0x2'}," +
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"'0x2':{'name':'SCISSORS','beats':'0x3'}," +
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"'0x2':{'name':'SCISSORS','beats':'0x3'}," +
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"'0x3':{'name':'PAPER','beats':'0x1'}}",
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"'0x3':{'name':'PAPER','beats':'0x1'}}",
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gson.toJson(rock).replace('\"', '\''));
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gson.toJson(rock).replace('"', '\''));
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}
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}
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public void testDeserialization() {
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public void testDeserialization() {
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@ -72,7 +77,7 @@ public final class GraphAdapterBuilderTest extends TestCase {
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Gson gson = gsonBuilder.create();
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Gson gson = gsonBuilder.create();
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assertEquals("{'0x1':{'name':'SUICIDE','beats':'0x1'}}",
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assertEquals("{'0x1':{'name':'SUICIDE','beats':'0x1'}}",
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gson.toJson(suicide).replace('\"', '\''));
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gson.toJson(suicide).replace('"', '\''));
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}
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}
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public void testDeserializationDirectSelfReference() {
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public void testDeserializationDirectSelfReference() {
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@ -89,6 +94,42 @@ public final class GraphAdapterBuilderTest extends TestCase {
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assertSame(suicide, suicide.beats);
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assertSame(suicide, suicide.beats);
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}
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}
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public void testSerializeListOfLists() {
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Type listOfListsType = new TypeToken<List<List<?>>>() {}.getType();
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Type listOfAnyType = new TypeToken<List<?>>() {}.getType();
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List<List<?>> listOfLists = new ArrayList<List<?>>();
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listOfLists.add(listOfLists);
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listOfLists.add(new ArrayList<Object>());
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GsonBuilder gsonBuilder = new GsonBuilder();
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new GraphAdapterBuilder()
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.addType(listOfListsType)
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.addType(listOfAnyType)
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.registerOn(gsonBuilder);
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Gson gson = gsonBuilder.create();
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String json = gson.toJson(listOfLists, listOfListsType);
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assertEquals("{'0x1':['0x1','0x2'],'0x2':[]}", json.replace('"', '\''));
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}
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public void testDeserializeListOfLists() {
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Type listOfAnyType = new TypeToken<List<?>>() {}.getType();
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Type listOfListsType = new TypeToken<List<List<?>>>() {}.getType();
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GsonBuilder gsonBuilder = new GsonBuilder();
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new GraphAdapterBuilder()
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.addType(listOfListsType)
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.addType(listOfAnyType)
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.registerOn(gsonBuilder);
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Gson gson = gsonBuilder.create();
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List<List<?>> listOfLists = gson.fromJson("{'0x1':['0x1','0x2'],'0x2':[]}", listOfListsType);
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assertEquals(2, listOfLists.size());
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assertSame(listOfLists, listOfLists.get(0));
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assertEquals(Collections.emptyList(), listOfLists.get(1));
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}
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static class Roshambo {
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static class Roshambo {
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String name;
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String name;
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Roshambo beats;
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Roshambo beats;
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