package org.json.simple; import java.io.IOException; import java.io.StringWriter; import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; /** Ensures that JSONValue hasn't regressed in functionality or breaks its API contract. Deprecated warnings are * suppressed since it is intentionally testing deprecated code for backwards compatibility. */ @SuppressWarnings("deprecation") public class JSONValueTest{ /** Called before each Test Method. */ @Before public void setUp(){ /* All of the implemented tests use local variables in their own respective method. */ } /** Called after each Test method. */ @After public void tearDown(){ /* All of the implemented tests use local variables in their own respective method. */ } /** Ensures an array of array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testArraysOfArraysToJsonString() throws IOException{ StringWriter writer; final int[][][] nestedIntArray = new int[][][]{{{1}, {5}}, {{2}, {6}}}; final String expectedNestedIntString = "[[[1],[5]],[[2],[6]]]"; Assert.assertEquals(expectedNestedIntString, JSONValue.toJSONString(nestedIntArray)); writer = new StringWriter(); JSONValue.writeJSONString(nestedIntArray, writer); Assert.assertEquals(expectedNestedIntString, writer.toString()); final String[][] nestedStringArray = new String[][]{{"a", "b"}, {"c", "d"}}; final String expectedNestedStringString = "[[\"a\",\"b\"],[\"c\",\"d\"]]"; Assert.assertEquals(expectedNestedStringString, JSONValue.toJSONString(nestedStringArray)); writer = new StringWriter(); JSONValue.writeJSONString(nestedStringArray, writer); Assert.assertEquals(expectedNestedStringString, writer.toString()); } /** Ensures a boolean array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testBooleanArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((boolean[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new boolean[0])); Assert.assertEquals("[true]", JSONValue.toJSONString(new boolean[]{true})); Assert.assertEquals("[true,false,true]", JSONValue.toJSONString(new boolean[]{true, false, true})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((boolean[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new boolean[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new boolean[]{true}, writer); Assert.assertEquals("[true]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new boolean[]{true, false, true}, writer); Assert.assertEquals("[true,false,true]", writer.toString()); } /** Ensures a byte array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testByteArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((byte[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new byte[0])); Assert.assertEquals("[12]", JSONValue.toJSONString(new byte[]{12})); Assert.assertEquals("[-7,22,86,-99]", JSONValue.toJSONString(new byte[]{-7, 22, 86, -99})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((byte[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new byte[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new byte[]{12}, writer); Assert.assertEquals("[12]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new byte[]{-7, 22, 86, -99}, writer); Assert.assertEquals("[-7,22,86,-99]", writer.toString()); } /** Ensures a char array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testCharArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((char[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new char[0])); Assert.assertEquals("[\"a\"]", JSONValue.toJSONString(new char[]{'a'})); Assert.assertEquals("[\"a\",\"b\",\"c\"]", JSONValue.toJSONString(new char[]{'a', 'b', 'c'})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((char[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new char[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new char[]{'a'}, writer); Assert.assertEquals("[\"a\"]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new char[]{'a', 'b', 'c'}, writer); Assert.assertEquals("[\"a\",\"b\",\"c\"]", writer.toString()); } /** Ensures a double array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testDoubleArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((double[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new double[0])); Assert.assertEquals("[12.8]", JSONValue.toJSONString(new double[]{12.8})); Assert.assertEquals("[-7.1,22.234,86.7,-99.02]", JSONValue.toJSONString(new double[]{-7.1, 22.234, 86.7, -99.02})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((double[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new double[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new double[]{12.8}, writer); Assert.assertEquals("[12.8]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new double[]{-7.1, 22.234, 86.7, -99.02}, writer); Assert.assertEquals("[-7.1,22.234,86.7,-99.02]", writer.toString()); } /** Ensures JSON values can be encoded. * @throws IOException if the test failed. */ @SuppressWarnings("unchecked") @Test public void testEncodeJsonValues() throws IOException{ final JSONArray array1 = new JSONArray(); final JSONObject obj1 = new JSONObject(); array1.add("abc\u0010a/"); array1.add(new Integer(123)); array1.add(new Double(222.123)); array1.add(new Boolean(true)); Assert.assertEquals("[\"abc\\u0010a\\/\",123,222.123,true]", array1.toString()); obj1.put("array1", array1); Assert.assertEquals("{\"array1\":[\"abc\\u0010a\\/\",123,222.123,true]}", obj1.toString()); obj1.remove("array1"); array1.add(obj1); array1.add(null); Assert.assertEquals("[\"abc\\u0010a\\/\",123,222.123,true,{},null]", array1.toString()); final List list = new ArrayList(); list.add("abc\u0010a/"); list.add(new Integer(123)); list.add(new Double(222.123)); list.add(new Boolean(true)); list.add(null); Assert.assertEquals("[\"abc\\u0010a\\/\",123,222.123,true,null]", JSONArray.toJSONString(list)); final Map map = new HashMap(); map.put("array1", list); Assert.assertEquals("{\"array1\":[\"abc\\u0010a\\/\",123,222.123,true,null]}", JSONObject.toJSONString(map)); final Map m1 = new LinkedHashMap(); final Map m2 = new LinkedHashMap(); final List l1 = new LinkedList(); m1.put("k11", "v11"); m1.put("k12", "v12"); m1.put("k13", "v13"); m2.put("k21", "v21"); m2.put("k22", "v22"); m2.put("k23", "v23"); l1.add(m1); l1.add(m2); String jsonString = JSONValue.toJSONString(l1); Assert.assertEquals("[{\"k11\":\"v11\",\"k12\":\"v12\",\"k13\":\"v13\"},{\"k21\":\"v21\",\"k22\":\"v22\",\"k23\":\"v23\"}]", jsonString); StringWriter out = new StringWriter(); JSONValue.writeJSONString(l1, out); jsonString = out.toString(); Assert.assertEquals("[{\"k11\":\"v11\",\"k12\":\"v12\",\"k13\":\"v13\"},{\"k21\":\"v21\",\"k22\":\"v22\",\"k23\":\"v23\"}]", jsonString); final List l2 = new LinkedList(); final Map m3 = new LinkedHashMap(); m3.put("k31", "v3"); m3.put("k32", new Double(123.45)); m3.put("k33", new Boolean(false)); m3.put("k34", null); l2.add("vvv"); l2.add("1.23456789123456789"); l2.add(new Boolean(true)); l2.add(null); m3.put("k35", l2); m1.put("k14", m3); out = new StringWriter(); JSONValue.writeJSONString(l1, out); jsonString = out.toString(); Assert.assertEquals("[{\"k11\":\"v11\",\"k12\":\"v12\",\"k13\":\"v13\",\"k14\":{\"k31\":\"v3\",\"k32\":123.45,\"k33\":false,\"k34\":null,\"k35\":[\"vvv\",\"1.23456789123456789\",true,null]}},{\"k21\":\"v21\",\"k22\":\"v22\",\"k23\":\"v23\"}]", jsonString); } /** Ensures a float array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testFloatArrayToString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((float[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new float[0])); Assert.assertEquals("[12.8]", JSONValue.toJSONString(new float[]{12.8f})); Assert.assertEquals("[-7.1,22.234,86.7,-99.02]", JSONValue.toJSONString(new float[]{-7.1f, 22.234f, 86.7f, -99.02f})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((float[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new float[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new float[]{12.8f}, writer); Assert.assertEquals("[12.8]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new float[]{-7.1f, 22.234f, 86.7f, -99.02f}, writer); Assert.assertEquals("[-7.1,22.234,86.7,-99.02]", writer.toString()); } /** Ensures an int array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testIntArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((int[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new int[0])); Assert.assertEquals("[12]", JSONValue.toJSONString(new int[]{12})); Assert.assertEquals("[-7,22,86,-99]", JSONValue.toJSONString(new int[]{-7, 22, 86, -99})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((int[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new int[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new int[]{12}, writer); Assert.assertEquals("[12]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new int[]{-7, 22, 86, -99}, writer); Assert.assertEquals("[-7,22,86,-99]", writer.toString()); } /** Ensures a long array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testLongArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((long[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new long[0])); Assert.assertEquals("[12]", JSONValue.toJSONString(new long[]{12})); Assert.assertEquals("[-7,22,9223372036854775807,-99]", JSONValue.toJSONString(new long[]{-7, 22, 9223372036854775807L, -99})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((long[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new long[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new long[]{12}, writer); Assert.assertEquals("[12]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new long[]{-7, 22, 86, -99}, writer); Assert.assertEquals("[-7,22,86,-99]", writer.toString()); } /** Ensures an Object array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testObjectArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((Object[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new Object[0])); Assert.assertEquals("[\"Hello\"]", JSONValue.toJSONString(new Object[]{"Hello"})); Assert.assertEquals("[\"Hello\",12,[1,2,3]]", JSONValue.toJSONString(new Object[]{"Hello", new Integer(12), new int[]{1, 2, 3}})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((Object[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new Object[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new Object[]{"Hello"}, writer); Assert.assertEquals("[\"Hello\"]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new Object[]{"Hello", new Integer(12), new int[]{1, 2, 3}}, writer); Assert.assertEquals("[\"Hello\",12,[1,2,3]]", writer.toString()); } /** Ensures a short array can be encoded as a JSON string. * @throws IOException if the test failed. */ @Test public void testShortArrayToJsonString() throws IOException{ Assert.assertEquals("null", JSONValue.toJSONString((short[])null)); Assert.assertEquals("[]", JSONValue.toJSONString(new short[0])); Assert.assertEquals("[12]", JSONValue.toJSONString(new short[]{12})); Assert.assertEquals("[-7,22,86,-99]", JSONValue.toJSONString(new short[]{-7, 22, 86, -99})); StringWriter writer; writer = new StringWriter(); JSONValue.writeJSONString((short[])null, writer); Assert.assertEquals("null", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new short[0], writer); Assert.assertEquals("[]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new short[]{12}, writer); Assert.assertEquals("[12]", writer.toString()); writer = new StringWriter(); JSONValue.writeJSONString(new short[]{-7, 22, 86, -99}, writer); Assert.assertEquals("[-7,22,86,-99]", writer.toString()); } }