|
Java example source code file (JsonElementReaderTest.java)
The JsonElementReaderTest.java Java example source code/* * 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.JsonElement; import com.google.gson.JsonParser; import com.google.gson.stream.JsonToken; import java.io.IOException; import junit.framework.TestCase; @SuppressWarnings("resource") public final class JsonElementReaderTest extends TestCase { public void testNumbers() throws IOException { JsonElement element = new JsonParser().parse("[1, 2, 3]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); assertEquals(1, reader.nextInt()); assertEquals(2L, reader.nextLong()); assertEquals(3.0, reader.nextDouble()); reader.endArray(); } public void testLenientNansAndInfinities() throws IOException { JsonElement element = new JsonParser().parse("[NaN, -Infinity, Infinity]"); JsonTreeReader reader = new JsonTreeReader(element); reader.setLenient(true); reader.beginArray(); assertTrue(Double.isNaN(reader.nextDouble())); assertEquals(Double.NEGATIVE_INFINITY, reader.nextDouble()); assertEquals(Double.POSITIVE_INFINITY, reader.nextDouble()); reader.endArray(); } public void testStrictNansAndInfinities() throws IOException { JsonElement element = new JsonParser().parse("[NaN, -Infinity, Infinity]"); JsonTreeReader reader = new JsonTreeReader(element); reader.setLenient(false); reader.beginArray(); try { reader.nextDouble(); fail(); } catch (NumberFormatException e) { } assertEquals("NaN", reader.nextString()); try { reader.nextDouble(); fail(); } catch (NumberFormatException e) { } assertEquals("-Infinity", reader.nextString()); try { reader.nextDouble(); fail(); } catch (NumberFormatException e) { } assertEquals("Infinity", reader.nextString()); reader.endArray(); } public void testNumbersFromStrings() throws IOException { JsonElement element = new JsonParser().parse("[\"1\", \"2\", \"3\"]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); assertEquals(1, reader.nextInt()); assertEquals(2L, reader.nextLong()); assertEquals(3.0, reader.nextDouble()); reader.endArray(); } public void testStringsFromNumbers() throws IOException { JsonElement element = new JsonParser().parse("[1]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); assertEquals("1", reader.nextString()); reader.endArray(); } public void testBooleans() throws IOException { JsonElement element = new JsonParser().parse("[true, false]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); assertEquals(true, reader.nextBoolean()); assertEquals(false, reader.nextBoolean()); reader.endArray(); } public void testNulls() throws IOException { JsonElement element = new JsonParser().parse("[null,null]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); reader.nextNull(); reader.nextNull(); reader.endArray(); } public void testStrings() throws IOException { JsonElement element = new JsonParser().parse("[\"A\",\"B\"]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); assertEquals("A", reader.nextString()); assertEquals("B", reader.nextString()); reader.endArray(); } public void testArray() throws IOException { JsonElement element = new JsonParser().parse("[1, 2, 3]"); JsonTreeReader reader = new JsonTreeReader(element); assertEquals(JsonToken.BEGIN_ARRAY, reader.peek()); reader.beginArray(); assertEquals(JsonToken.NUMBER, reader.peek()); assertEquals(1, reader.nextInt()); assertEquals(JsonToken.NUMBER, reader.peek()); assertEquals(2, reader.nextInt()); assertEquals(JsonToken.NUMBER, reader.peek()); assertEquals(3, reader.nextInt()); assertEquals(JsonToken.END_ARRAY, reader.peek()); reader.endArray(); assertEquals(JsonToken.END_DOCUMENT, reader.peek()); } public void testObject() throws IOException { JsonElement element = new JsonParser().parse("{\"A\": 1, \"B\": 2}"); JsonTreeReader reader = new JsonTreeReader(element); assertEquals(JsonToken.BEGIN_OBJECT, reader.peek()); reader.beginObject(); assertEquals(JsonToken.NAME, reader.peek()); assertEquals("A", reader.nextName()); assertEquals(JsonToken.NUMBER, reader.peek()); assertEquals(1, reader.nextInt()); assertEquals(JsonToken.NAME, reader.peek()); assertEquals("B", reader.nextName()); assertEquals(JsonToken.NUMBER, reader.peek()); assertEquals(2, reader.nextInt()); assertEquals(JsonToken.END_OBJECT, reader.peek()); reader.endObject(); assertEquals(JsonToken.END_DOCUMENT, reader.peek()); } public void testEmptyArray() throws IOException { JsonElement element = new JsonParser().parse("[]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); reader.endArray(); } public void testNestedArrays() throws IOException { JsonElement element = new JsonParser().parse("[[],[[]]]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); reader.beginArray(); reader.endArray(); reader.beginArray(); reader.beginArray(); reader.endArray(); reader.endArray(); reader.endArray(); } public void testNestedObjects() throws IOException { JsonElement element = new JsonParser().parse("{\"A\":{},\"B\":{\"C\":{}}}"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginObject(); assertEquals("A", reader.nextName()); reader.beginObject(); reader.endObject(); assertEquals("B", reader.nextName()); reader.beginObject(); assertEquals("C", reader.nextName()); reader.beginObject(); reader.endObject(); reader.endObject(); reader.endObject(); } public void testEmptyObject() throws IOException { JsonElement element = new JsonParser().parse("{}"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginObject(); reader.endObject(); } public void testSkipValue() throws IOException { JsonElement element = new JsonParser().parse("[\"A\",{\"B\":[[]]},\"C\",[[]],\"D\",null]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); assertEquals("A", reader.nextString()); reader.skipValue(); assertEquals("C", reader.nextString()); reader.skipValue(); assertEquals("D", reader.nextString()); reader.skipValue(); reader.endArray(); } public void testWrongType() throws IOException { JsonElement element = new JsonParser().parse("[[],\"A\"]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); try { reader.nextBoolean(); fail(); } catch (IllegalStateException expected) { } try { reader.nextNull(); fail(); } catch (IllegalStateException expected) { } try { reader.nextString(); fail(); } catch (IllegalStateException expected) { } try { reader.nextInt(); fail(); } catch (IllegalStateException expected) { } try { reader.nextLong(); fail(); } catch (IllegalStateException expected) { } try { reader.nextDouble(); fail(); } catch (IllegalStateException expected) { } try { reader.nextName(); fail(); } catch (IllegalStateException expected) { } try { reader.beginObject(); fail(); } catch (IllegalStateException expected) { } try { reader.endArray(); fail(); } catch (IllegalStateException expected) { } try { reader.endObject(); fail(); } catch (IllegalStateException expected) { } reader.beginArray(); reader.endArray(); try { reader.nextBoolean(); fail(); } catch (IllegalStateException expected) { } try { reader.nextNull(); fail(); } catch (IllegalStateException expected) { } try { reader.nextInt(); fail(); } catch (NumberFormatException expected) { } try { reader.nextLong(); fail(); } catch (NumberFormatException expected) { } try { reader.nextDouble(); fail(); } catch (NumberFormatException expected) { } try { reader.nextName(); fail(); } catch (IllegalStateException expected) { } assertEquals("A", reader.nextString()); reader.endArray(); } public void testEarlyClose() throws IOException { JsonElement element = new JsonParser().parse("[1, 2, 3]"); JsonTreeReader reader = new JsonTreeReader(element); reader.beginArray(); reader.close(); try { reader.peek(); fail(); } catch (IllegalStateException expected) { } } } Other Java examples (source code examples)Here is a short list of links related to this Java JsonElementReaderTest.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.