| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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 org.json; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| import junit.framework.TestCase; |
| |
| /** |
| * This black box test was written without inspecting the non-free org.json sourcecode. |
| */ |
| public class JSONObjectTest extends TestCase { |
| |
| public void testEmptyObject() throws JSONException { |
| JSONObject object = new JSONObject(); |
| assertEquals(0, object.length()); |
| |
| // bogus (but documented) behaviour: returns null rather than the empty object! |
| assertNull(object.names()); |
| |
| // returns null rather than an empty array! |
| assertNull(object.toJSONArray(new JSONArray())); |
| assertEquals("{}", object.toString()); |
| assertEquals("{}", object.toString(5)); |
| try { |
| object.get("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getBoolean("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getDouble("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getInt("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getJSONArray("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getJSONObject("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getLong("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getString("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| assertFalse(object.has("foo")); |
| assertTrue(object.isNull("foo")); // isNull also means "is not present" |
| assertNull(object.opt("foo")); |
| assertEquals(false, object.optBoolean("foo")); |
| assertEquals(true, object.optBoolean("foo", true)); |
| assertEquals(Double.NaN, object.optDouble("foo")); |
| assertEquals(5.0, object.optDouble("foo", 5.0)); |
| assertEquals(0, object.optInt("foo")); |
| assertEquals(5, object.optInt("foo", 5)); |
| assertEquals(null, object.optJSONArray("foo")); |
| assertEquals(null, object.optJSONObject("foo")); |
| assertEquals(0, object.optLong("foo")); |
| assertEquals(Long.MAX_VALUE-1, object.optLong("foo", Long.MAX_VALUE-1)); |
| assertEquals("", object.optString("foo")); // empty string is default! |
| assertEquals("bar", object.optString("foo", "bar")); |
| assertNull(object.remove("foo")); |
| } |
| |
| public void testEqualsAndHashCode() throws JSONException { |
| JSONObject a = new JSONObject(); |
| JSONObject b = new JSONObject(); |
| |
| // JSON object doesn't override either equals or hashCode (!) |
| assertFalse(a.equals(b)); |
| assertEquals(a.hashCode(), System.identityHashCode(a)); |
| } |
| |
| public void testGet() throws JSONException { |
| JSONObject object = new JSONObject(); |
| Object value = new Object(); |
| object.put("foo", value); |
| object.put("bar", new Object()); |
| object.put("baz", new Object()); |
| assertSame(value, object.get("foo")); |
| try { |
| object.get("FOO"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put(null, value); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.get(null); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testPut() throws JSONException { |
| JSONObject object = new JSONObject(); |
| assertSame(object, object.put("foo", true)); |
| object.put("foo", false); |
| assertEquals(false, object.get("foo")); |
| |
| object.put("foo", 5.0d); |
| assertEquals(5.0d, object.get("foo")); |
| object.put("foo", 0); |
| assertEquals(0, object.get("foo")); |
| object.put("bar", Long.MAX_VALUE - 1); |
| assertEquals(Long.MAX_VALUE - 1, object.get("bar")); |
| object.put("baz", "x"); |
| assertEquals("x", object.get("baz")); |
| object.put("bar", JSONObject.NULL); |
| assertSame(JSONObject.NULL, object.get("bar")); |
| } |
| |
| public void testPutNullRemoves() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "bar"); |
| object.put("foo", null); |
| assertEquals(0, object.length()); |
| assertFalse(object.has("foo")); |
| try { |
| object.get("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testPutOpt() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "bar"); |
| object.putOpt("foo", null); |
| assertEquals("bar", object.get("foo")); |
| object.putOpt(null, null); |
| assertEquals(1, object.length()); |
| object.putOpt(null, "bar"); |
| assertEquals(1, object.length()); |
| } |
| |
| public void testPutOptUnsupportedNumbers() throws JSONException { |
| JSONObject object = new JSONObject(); |
| try { |
| object.putOpt("foo", Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.putOpt("foo", Double.NEGATIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.putOpt("foo", Double.POSITIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testRemove() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "bar"); |
| assertEquals(null, object.remove(null)); |
| assertEquals(null, object.remove("")); |
| assertEquals(null, object.remove("bar")); |
| assertEquals("bar", object.remove("foo")); |
| assertEquals(null, object.remove("foo")); |
| } |
| |
| public void testBooleans() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", true); |
| object.put("bar", false); |
| object.put("baz", "true"); |
| object.put("quux", "false"); |
| assertEquals(4, object.length()); |
| assertEquals(true, object.getBoolean("foo")); |
| assertEquals(false, object.getBoolean("bar")); |
| assertEquals(true, object.getBoolean("baz")); |
| assertEquals(false, object.getBoolean("quux")); |
| assertFalse(object.isNull("foo")); |
| assertFalse(object.isNull("quux")); |
| assertTrue(object.has("foo")); |
| assertTrue(object.has("quux")); |
| assertFalse(object.has("missing")); |
| assertEquals(true, object.optBoolean("foo")); |
| assertEquals(false, object.optBoolean("bar")); |
| assertEquals(true, object.optBoolean("baz")); |
| assertEquals(false, object.optBoolean("quux")); |
| assertEquals(false, object.optBoolean("missing")); |
| assertEquals(true, object.optBoolean("foo", true)); |
| assertEquals(false, object.optBoolean("bar", true)); |
| assertEquals(true, object.optBoolean("baz", true)); |
| assertEquals(false, object.optBoolean("quux", true)); |
| assertEquals(true, object.optBoolean("missing", true)); |
| |
| object.put("foo", "truE"); |
| object.put("bar", "FALSE"); |
| assertEquals(true, object.getBoolean("foo")); |
| assertEquals(false, object.getBoolean("bar")); |
| assertEquals(true, object.optBoolean("foo")); |
| assertEquals(false, object.optBoolean("bar")); |
| assertEquals(true, object.optBoolean("foo", false)); |
| assertEquals(false, object.optBoolean("bar", false)); |
| } |
| |
| public void testNumbers() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", Double.MIN_VALUE); |
| object.put("bar", 9223372036854775806L); |
| object.put("baz", Double.MAX_VALUE); |
| object.put("quux", -0d); |
| assertEquals(4, object.length()); |
| |
| String toString = object.toString(); |
| assertTrue(toString, toString.contains("\"foo\":4.9E-324")); |
| assertTrue(toString, toString.contains("\"bar\":9223372036854775806")); |
| assertTrue(toString, toString.contains("\"baz\":1.7976931348623157E308")); |
| |
| // toString() and getString() return different values for -0d! |
| assertTrue(toString, toString.contains("\"quux\":-0}") // no trailing decimal point |
| || toString.contains("\"quux\":-0,")); |
| |
| assertEquals(Double.MIN_VALUE, object.get("foo")); |
| assertEquals(9223372036854775806L, object.get("bar")); |
| assertEquals(Double.MAX_VALUE, object.get("baz")); |
| assertEquals(-0d, object.get("quux")); |
| assertEquals(Double.MIN_VALUE, object.getDouble("foo")); |
| assertEquals(9.223372036854776E18, object.getDouble("bar")); |
| assertEquals(Double.MAX_VALUE, object.getDouble("baz")); |
| assertEquals(-0d, object.getDouble("quux")); |
| assertEquals(0, object.getLong("foo")); |
| assertEquals(9223372036854775806L, object.getLong("bar")); |
| assertEquals(Long.MAX_VALUE, object.getLong("baz")); |
| assertEquals(0, object.getLong("quux")); |
| assertEquals(0, object.getInt("foo")); |
| assertEquals(-2, object.getInt("bar")); |
| assertEquals(Integer.MAX_VALUE, object.getInt("baz")); |
| assertEquals(0, object.getInt("quux")); |
| assertEquals(Double.MIN_VALUE, object.opt("foo")); |
| assertEquals(9223372036854775806L, object.optLong("bar")); |
| assertEquals(Double.MAX_VALUE, object.optDouble("baz")); |
| assertEquals(0, object.optInt("quux")); |
| assertEquals(Double.MIN_VALUE, object.opt("foo")); |
| assertEquals(9223372036854775806L, object.optLong("bar")); |
| assertEquals(Double.MAX_VALUE, object.optDouble("baz")); |
| assertEquals(0, object.optInt("quux")); |
| assertEquals(Double.MIN_VALUE, object.optDouble("foo", 5.0d)); |
| assertEquals(9223372036854775806L, object.optLong("bar", 1L)); |
| assertEquals(Long.MAX_VALUE, object.optLong("baz", 1L)); |
| assertEquals(0, object.optInt("quux", -1)); |
| assertEquals("4.9E-324", object.getString("foo")); |
| assertEquals("9223372036854775806", object.getString("bar")); |
| assertEquals("1.7976931348623157E308", object.getString("baz")); |
| assertEquals("-0.0", object.getString("quux")); |
| } |
| |
| public void testFloats() throws JSONException { |
| JSONObject object = new JSONObject(); |
| try { |
| object.put("foo", (Float) Float.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put("foo", (Float) Float.NEGATIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put("foo", (Float) Float.POSITIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testOtherNumbers() throws JSONException { |
| Number nan = new Number() { |
| public int intValue() { |
| throw new UnsupportedOperationException(); |
| } |
| public long longValue() { |
| throw new UnsupportedOperationException(); |
| } |
| public float floatValue() { |
| throw new UnsupportedOperationException(); |
| } |
| public double doubleValue() { |
| return Double.NaN; |
| } |
| @Override public String toString() { |
| return "x"; |
| } |
| }; |
| |
| JSONObject object = new JSONObject(); |
| try { |
| object.put("foo", nan); |
| fail("Object.put() accepted a NaN (via a custom Number class)"); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testForeignObjects() throws JSONException { |
| Object foreign = new Object() { |
| @Override public String toString() { |
| return "x"; |
| } |
| }; |
| |
| // foreign object types are accepted and treated as Strings! |
| JSONObject object = new JSONObject(); |
| object.put("foo", foreign); |
| assertEquals("{\"foo\":\"x\"}", object.toString()); |
| } |
| |
| public void testNullKeys() { |
| try { |
| new JSONObject().put(null, false); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| new JSONObject().put(null, 0.0d); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| new JSONObject().put(null, 5); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| new JSONObject().put(null, 5L); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| new JSONObject().put(null, "foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testStrings() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "true"); |
| object.put("bar", "5.5"); |
| object.put("baz", "9223372036854775806"); |
| object.put("quux", "null"); |
| object.put("height", "5\"8' tall"); |
| |
| assertTrue(object.toString().contains("\"foo\":\"true\"")); |
| assertTrue(object.toString().contains("\"bar\":\"5.5\"")); |
| assertTrue(object.toString().contains("\"baz\":\"9223372036854775806\"")); |
| assertTrue(object.toString().contains("\"quux\":\"null\"")); |
| assertTrue(object.toString().contains("\"height\":\"5\\\"8' tall\"")); |
| |
| assertEquals("true", object.get("foo")); |
| assertEquals("null", object.getString("quux")); |
| assertEquals("5\"8' tall", object.getString("height")); |
| assertEquals("true", object.opt("foo")); |
| assertEquals("5.5", object.optString("bar")); |
| assertEquals("true", object.optString("foo", "x")); |
| assertFalse(object.isNull("foo")); |
| |
| assertEquals(true, object.getBoolean("foo")); |
| assertEquals(true, object.optBoolean("foo")); |
| assertEquals(true, object.optBoolean("foo", false)); |
| assertEquals(0, object.optInt("foo")); |
| assertEquals(-2, object.optInt("foo", -2)); |
| |
| assertEquals(5.5d, object.getDouble("bar")); |
| assertEquals(5L, object.getLong("bar")); |
| assertEquals(5, object.getInt("bar")); |
| assertEquals(5, object.optInt("bar", 3)); |
| |
| // The last digit of the string is a 6 but getLong returns a 7. It's probably parsing as a |
| // double and then converting that to a long. This is consistent with JavaScript. |
| assertEquals(9223372036854775807L, object.getLong("baz")); |
| assertEquals(9.223372036854776E18, object.getDouble("baz")); |
| assertEquals(Integer.MAX_VALUE, object.getInt("baz")); |
| |
| assertFalse(object.isNull("quux")); |
| try { |
| object.getDouble("quux"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| assertEquals(Double.NaN, object.optDouble("quux")); |
| assertEquals(-1.0d, object.optDouble("quux", -1.0d)); |
| |
| object.put("foo", "TRUE"); |
| assertEquals(true, object.getBoolean("foo")); |
| } |
| |
| public void testJSONObjects() throws JSONException { |
| JSONObject object = new JSONObject(); |
| |
| JSONArray a = new JSONArray(); |
| JSONObject b = new JSONObject(); |
| object.put("foo", a); |
| object.put("bar", b); |
| |
| assertSame(a, object.getJSONArray("foo")); |
| assertSame(b, object.getJSONObject("bar")); |
| try { |
| object.getJSONObject("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.getJSONArray("bar"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| assertEquals(a, object.optJSONArray("foo")); |
| assertEquals(b, object.optJSONObject("bar")); |
| assertEquals(null, object.optJSONArray("bar")); |
| assertEquals(null, object.optJSONObject("foo")); |
| } |
| |
| public void testNullCoercionToString() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", JSONObject.NULL); |
| assertEquals("null", object.getString("foo")); |
| } |
| |
| public void testArrayCoercion() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "[true]"); |
| try { |
| object.getJSONArray("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testObjectCoercion() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "{}"); |
| try { |
| object.getJSONObject("foo"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testAccumulateValueChecking() throws JSONException { |
| JSONObject object = new JSONObject(); |
| try { |
| object.accumulate("foo", Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| object.accumulate("foo", 1); |
| try { |
| object.accumulate("foo", Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| object.accumulate("foo", 2); |
| try { |
| object.accumulate("foo", Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testToJSONArray() throws JSONException { |
| JSONObject object = new JSONObject(); |
| Object value = new Object(); |
| object.put("foo", true); |
| object.put("bar", 5.0d); |
| object.put("baz", -0.0d); |
| object.put("quux", value); |
| |
| JSONArray names = new JSONArray(); |
| names.put("baz"); |
| names.put("quux"); |
| names.put("foo"); |
| |
| JSONArray array = object.toJSONArray(names); |
| assertEquals(-0.0d, array.get(0)); |
| assertEquals(value, array.get(1)); |
| assertEquals(true, array.get(2)); |
| |
| object.put("foo", false); |
| assertEquals(true, array.get(2)); |
| } |
| |
| public void testToJSONArrayMissingNames() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", true); |
| object.put("bar", 5.0d); |
| object.put("baz", JSONObject.NULL); |
| |
| JSONArray names = new JSONArray(); |
| names.put("bar"); |
| names.put("foo"); |
| names.put("quux"); |
| names.put("baz"); |
| |
| JSONArray array = object.toJSONArray(names); |
| assertEquals(4, array.length()); |
| |
| assertEquals(5.0d, array.get(0)); |
| assertEquals(true, array.get(1)); |
| try { |
| array.get(2); |
| fail(); |
| } catch (JSONException e) { |
| } |
| assertEquals(JSONObject.NULL, array.get(3)); |
| } |
| |
| public void testToJSONArrayNull() throws JSONException { |
| JSONObject object = new JSONObject(); |
| assertEquals(null, object.toJSONArray(null)); |
| object.put("foo", 5); |
| try { |
| object.toJSONArray(null); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testToJSONArrayEndsUpEmpty() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| JSONArray array = new JSONArray(); |
| array.put("bar"); |
| assertEquals(1, object.toJSONArray(array).length()); |
| } |
| |
| public void testToJSONArrayNonString() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| object.put("null", 10); |
| object.put("false", 15); |
| |
| JSONArray names = new JSONArray(); |
| names.put(JSONObject.NULL); |
| names.put(false); |
| names.put("foo"); |
| |
| // array elements are converted to strings to do name lookups on the map! |
| JSONArray array = object.toJSONArray(names); |
| assertEquals(3, array.length()); |
| assertEquals(10, array.get(0)); |
| assertEquals(15, array.get(1)); |
| assertEquals(5, array.get(2)); |
| } |
| |
| public void testPutUnsupportedNumbers() throws JSONException { |
| JSONObject object = new JSONObject(); |
| try { |
| object.put("foo", Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put("foo", Double.NEGATIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put("foo", Double.POSITIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testPutUnsupportedNumbersAsObjects() throws JSONException { |
| JSONObject object = new JSONObject(); |
| try { |
| object.put("foo", (Double) Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put("foo", (Double) Double.NEGATIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| object.put("foo", (Double) Double.POSITIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| /** |
| * Although JSONObject is usually defensive about which numbers it accepts, |
| * it doesn't check inputs in its constructor. |
| */ |
| public void testCreateWithUnsupportedNumbers() throws JSONException { |
| Map<String, Object> contents = new HashMap<String, Object>(); |
| contents.put("foo", Double.NaN); |
| contents.put("bar", Double.NEGATIVE_INFINITY); |
| contents.put("baz", Double.POSITIVE_INFINITY); |
| |
| JSONObject object = new JSONObject(contents); |
| assertEquals(Double.NaN, object.get("foo")); |
| assertEquals(Double.NEGATIVE_INFINITY, object.get("bar")); |
| assertEquals(Double.POSITIVE_INFINITY, object.get("baz")); |
| } |
| |
| public void testToStringWithUnsupportedNumbers() { |
| // when the object contains an unsupported number, toString returns null! |
| JSONObject object = new JSONObject(Collections.singletonMap("foo", Double.NaN)); |
| assertEquals(null, object.toString()); |
| } |
| |
| public void testMapConstructorCopiesContents() throws JSONException { |
| Map<String, Object> contents = new HashMap<String, Object>(); |
| contents.put("foo", 5); |
| JSONObject object = new JSONObject(contents); |
| contents.put("foo", 10); |
| assertEquals(5, object.get("foo")); |
| } |
| |
| public void testMapConstructorWithBogusEntries() { |
| Map<Object, Object> contents = new HashMap<Object, Object>(); |
| contents.put(5, 5); |
| |
| try { |
| new JSONObject(contents); |
| fail("JSONObject constructor doesn't validate its input!"); |
| } catch (Exception e) { |
| } |
| } |
| |
| public void testTokenerConstructor() throws JSONException { |
| JSONObject object = new JSONObject(new JSONTokener("{\"foo\": false}")); |
| assertEquals(1, object.length()); |
| assertEquals(false, object.get("foo")); |
| } |
| |
| public void testTokenerConstructorWrongType() throws JSONException { |
| try { |
| new JSONObject(new JSONTokener("[\"foo\", false]")); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testTokenerConstructorNull() throws JSONException { |
| try { |
| new JSONObject((JSONTokener) null); |
| fail(); |
| } catch (NullPointerException e) { |
| } |
| } |
| |
| public void testTokenerConstructorParseFail() { |
| try { |
| new JSONObject(new JSONTokener("{")); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testStringConstructor() throws JSONException { |
| JSONObject object = new JSONObject("{\"foo\": false}"); |
| assertEquals(1, object.length()); |
| assertEquals(false, object.get("foo")); |
| } |
| |
| public void testStringConstructorWrongType() throws JSONException { |
| try { |
| new JSONObject("[\"foo\", false]"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testStringConstructorNull() throws JSONException { |
| try { |
| new JSONObject((String) null); |
| fail(); |
| } catch (NullPointerException e) { |
| } |
| } |
| |
| public void testStringonstructorParseFail() { |
| try { |
| new JSONObject("{"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testCopyConstructor() throws JSONException { |
| JSONObject source = new JSONObject(); |
| source.put("a", JSONObject.NULL); |
| source.put("b", false); |
| source.put("c", 5); |
| |
| JSONObject copy = new JSONObject(source, new String[] { "a", "c" }); |
| assertEquals(2, copy.length()); |
| assertEquals(JSONObject.NULL, copy.get("a")); |
| assertEquals(5, copy.get("c")); |
| assertEquals(null, copy.opt("b")); |
| } |
| |
| public void testCopyConstructorMissingName() throws JSONException { |
| JSONObject source = new JSONObject(); |
| source.put("a", JSONObject.NULL); |
| source.put("b", false); |
| source.put("c", 5); |
| |
| JSONObject copy = new JSONObject(source, new String[]{ "a", "c", "d" }); |
| assertEquals(2, copy.length()); |
| assertEquals(JSONObject.NULL, copy.get("a")); |
| assertEquals(5, copy.get("c")); |
| assertEquals(0, copy.optInt("b")); |
| } |
| |
| public void testAccumulateMutatesInPlace() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| object.accumulate("foo", 6); |
| JSONArray array = object.getJSONArray("foo"); |
| assertEquals("[5,6]", array.toString()); |
| object.accumulate("foo", 7); |
| assertEquals("[5,6,7]", array.toString()); |
| } |
| |
| public void testAccumulateExistingArray() throws JSONException { |
| JSONArray array = new JSONArray(); |
| JSONObject object = new JSONObject(); |
| object.put("foo", array); |
| object.accumulate("foo", 5); |
| assertEquals("[5]", array.toString()); |
| } |
| |
| public void testAccumulatePutArray() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.accumulate("foo", 5); |
| assertEquals("{\"foo\":5}", object.toString()); |
| object.accumulate("foo", new JSONArray()); |
| assertEquals("{\"foo\":[5,[]]}", object.toString()); |
| } |
| |
| public void testAccumulateNull() { |
| JSONObject object = new JSONObject(); |
| try { |
| object.accumulate(null, 5); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| |
| public void testEmptyStringKey() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("", 5); |
| assertEquals(5, object.get("")); |
| assertEquals("{\"\":5}", object.toString()); |
| } |
| |
| public void testNullValue() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", JSONObject.NULL); |
| object.put("bar", null); |
| |
| // there are two ways to represent null; each behaves differently! |
| assertTrue(object.has("foo")); |
| assertFalse(object.has("bar")); |
| assertTrue(object.isNull("foo")); |
| assertTrue(object.isNull("bar")); |
| } |
| |
| public void testHas() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| assertTrue(object.has("foo")); |
| assertFalse(object.has("bar")); |
| assertFalse(object.has(null)); |
| } |
| |
| public void testOptNull() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", "bar"); |
| assertEquals(null, object.opt(null)); |
| assertEquals(false, object.optBoolean(null)); |
| assertEquals(Double.NaN, object.optDouble(null)); |
| assertEquals(0, object.optInt(null)); |
| assertEquals(0L, object.optLong(null)); |
| assertEquals(null, object.optJSONArray(null)); |
| assertEquals(null, object.optJSONObject(null)); |
| assertEquals("", object.optString(null)); |
| assertEquals(true, object.optBoolean(null, true)); |
| assertEquals(0.0d, object.optDouble(null, 0.0d)); |
| assertEquals(1, object.optInt(null, 1)); |
| assertEquals(1L, object.optLong(null, 1L)); |
| assertEquals("baz", object.optString(null, "baz")); |
| } |
| |
| public void testToStringWithIndentFactor() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", new JSONArray(Arrays.asList(5, 6))); |
| object.put("bar", new JSONObject()); |
| String foobar = "{\n" + |
| " \"foo\": [\n" + |
| " 5,\n" + |
| " 6\n" + |
| " ],\n" + |
| " \"bar\": {}\n" + |
| "}"; |
| String barfoo = "{\n" + |
| " \"bar\": {},\n" + |
| " \"foo\": [\n" + |
| " 5,\n" + |
| " 6\n" + |
| " ]\n" + |
| "}"; |
| String string = object.toString(5); |
| assertTrue(string, foobar.equals(string) || barfoo.equals(string)); |
| } |
| |
| public void testNames() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| object.put("bar", 6); |
| object.put("baz", 7); |
| JSONArray array = object.names(); |
| assertTrue(array.toString().contains("foo")); |
| assertTrue(array.toString().contains("bar")); |
| assertTrue(array.toString().contains("baz")); |
| } |
| |
| public void testKeysEmptyObject() { |
| JSONObject object = new JSONObject(); |
| assertFalse(object.keys().hasNext()); |
| try { |
| object.keys().next(); |
| fail(); |
| } catch (NoSuchElementException e) { |
| } |
| } |
| |
| public void testKeys() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| object.put("bar", 6); |
| object.put("foo", 7); |
| |
| @SuppressWarnings("unchecked") |
| Iterator<String> keys = (Iterator<String>) object.keys(); |
| Set<String> result = new HashSet<String>(); |
| assertTrue(keys.hasNext()); |
| result.add(keys.next()); |
| assertTrue(keys.hasNext()); |
| result.add(keys.next()); |
| assertFalse(keys.hasNext()); |
| assertEquals(new HashSet<String>(Arrays.asList("foo", "bar")), result); |
| |
| try { |
| keys.next(); |
| fail(); |
| } catch (NoSuchElementException e) { |
| } |
| } |
| |
| public void testMutatingKeysMutatesObject() throws JSONException { |
| JSONObject object = new JSONObject(); |
| object.put("foo", 5); |
| Iterator keys = object.keys(); |
| keys.next(); |
| keys.remove(); |
| assertEquals(0, object.length()); |
| } |
| |
| public void testQuote() { |
| // covered by JSONStringerTest.testEscaping |
| } |
| |
| public void testQuoteNull() throws JSONException { |
| assertEquals("\"\"", JSONObject.quote(null)); |
| } |
| |
| public void testNumberToString() throws JSONException { |
| assertEquals("5", JSONObject.numberToString(5)); |
| assertEquals("-0", JSONObject.numberToString(-0.0d)); |
| assertEquals("9223372036854775806", JSONObject.numberToString(9223372036854775806L)); |
| assertEquals("4.9E-324", JSONObject.numberToString(Double.MIN_VALUE)); |
| assertEquals("1.7976931348623157E308", JSONObject.numberToString(Double.MAX_VALUE)); |
| try { |
| JSONObject.numberToString(Double.NaN); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| JSONObject.numberToString(Double.NEGATIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| try { |
| JSONObject.numberToString(Double.POSITIVE_INFINITY); |
| fail(); |
| } catch (JSONException e) { |
| } |
| assertEquals("0.001", JSONObject.numberToString(new BigDecimal("0.001"))); |
| assertEquals("9223372036854775806", |
| JSONObject.numberToString(new BigInteger("9223372036854775806"))); |
| try { |
| JSONObject.numberToString(null); |
| fail(); |
| } catch (JSONException e) { |
| } |
| } |
| } |
