| /* |
| * Copyright (C) 2011 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.gson.internal.bind; |
| |
| import com.google.gson.JsonNull; |
| import java.io.IOException; |
| import junit.framework.TestCase; |
| |
| @SuppressWarnings("resource") |
| public final class JsonTreeWriterTest extends TestCase { |
| public void testArray() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.beginArray(); |
| writer.value(1); |
| writer.value(2); |
| writer.value(3); |
| writer.endArray(); |
| assertEquals("[1,2,3]", writer.get().toString()); |
| } |
| |
| public void testNestedArray() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.beginArray(); |
| writer.beginArray(); |
| writer.endArray(); |
| writer.beginArray(); |
| writer.beginArray(); |
| writer.endArray(); |
| writer.endArray(); |
| writer.endArray(); |
| assertEquals("[[],[[]]]", writer.get().toString()); |
| } |
| |
| public void testObject() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.beginObject(); |
| writer.name("A").value(1); |
| writer.name("B").value(2); |
| writer.endObject(); |
| assertEquals("{\"A\":1,\"B\":2}", writer.get().toString()); |
| } |
| |
| public void testNestedObject() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.beginObject(); |
| writer.name("A"); |
| writer.beginObject(); |
| writer.name("B"); |
| writer.beginObject(); |
| writer.endObject(); |
| writer.endObject(); |
| writer.name("C"); |
| writer.beginObject(); |
| writer.endObject(); |
| writer.endObject(); |
| assertEquals("{\"A\":{\"B\":{}},\"C\":{}}", writer.get().toString()); |
| } |
| |
| public void testWriteAfterClose() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setLenient(true); |
| writer.beginArray(); |
| writer.value("A"); |
| writer.endArray(); |
| writer.close(); |
| try { |
| writer.beginArray(); |
| fail(); |
| } catch (IllegalStateException expected) { |
| } |
| } |
| |
| public void testPrematureClose() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setLenient(true); |
| writer.beginArray(); |
| try { |
| writer.close(); |
| fail(); |
| } catch (IOException expected) { |
| } |
| } |
| |
| public void testSerializeNullsFalse() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setSerializeNulls(false); |
| writer.beginObject(); |
| writer.name("A"); |
| writer.nullValue(); |
| writer.endObject(); |
| assertEquals("{}", writer.get().toString()); |
| } |
| |
| public void testSerializeNullsTrue() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setSerializeNulls(true); |
| writer.beginObject(); |
| writer.name("A"); |
| writer.nullValue(); |
| writer.endObject(); |
| assertEquals("{\"A\":null}", writer.get().toString()); |
| } |
| |
| public void testEmptyWriter() { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| assertEquals(JsonNull.INSTANCE, writer.get()); |
| } |
| |
| public void testBeginArray() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| assertEquals(writer, writer.beginArray()); |
| } |
| |
| public void testBeginObject() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| assertEquals(writer, writer.beginObject()); |
| } |
| |
| public void testValueString() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| String n = "as"; |
| assertEquals(writer, writer.value(n)); |
| } |
| |
| public void testBoolValue() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| boolean bool = true; |
| assertEquals(writer, writer.value(bool)); |
| } |
| |
| public void testBoolMaisValue() throws Exception { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| Boolean bool = true; |
| assertEquals(writer, writer.value(bool)); |
| } |
| |
| public void testLenientNansAndInfinities() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setLenient(true); |
| writer.beginArray(); |
| writer.value(Float.NaN); |
| writer.value(Float.NEGATIVE_INFINITY); |
| writer.value(Float.POSITIVE_INFINITY); |
| writer.value(Double.NaN); |
| writer.value(Double.NEGATIVE_INFINITY); |
| writer.value(Double.POSITIVE_INFINITY); |
| writer.endArray(); |
| assertEquals("[NaN,-Infinity,Infinity,NaN,-Infinity,Infinity]", writer.get().toString()); |
| } |
| |
| public void testStrictNansAndInfinities() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setLenient(false); |
| writer.beginArray(); |
| try { |
| writer.value(Float.NaN); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Float.NEGATIVE_INFINITY); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Float.POSITIVE_INFINITY); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Double.NaN); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Double.NEGATIVE_INFINITY); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Double.POSITIVE_INFINITY); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| public void testStrictBoxedNansAndInfinities() throws IOException { |
| JsonTreeWriter writer = new JsonTreeWriter(); |
| writer.setLenient(false); |
| writer.beginArray(); |
| try { |
| writer.value(Float.valueOf(Float.NaN)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Float.valueOf(Float.NEGATIVE_INFINITY)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Float.valueOf(Float.POSITIVE_INFINITY)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Double.valueOf(Double.NaN)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Double.valueOf(Double.NEGATIVE_INFINITY)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| writer.value(Double.valueOf(Double.POSITIVE_INFINITY)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| } |