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Verify exception messages. Move method comments so JavaDoc will pick them up.
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stleary
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1 changed files with 119 additions and 32 deletions
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@ -36,27 +36,59 @@ public class JSONArrayTest {
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"\"-1\""+
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"]";
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/**
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* Attempt to create a JSONArray with a null string.
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* Expects a NullPointerException.
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*/
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@Test(expected=NullPointerException.class)
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public void nullException() {
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String str = null;
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new JSONArray(str);
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}
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@Test(expected=JSONException.class)
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/**
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* Attempt to create a JSONArray with an empty string.
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* Expects a JSONException.
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*/
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@Test
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public void emptStr() {
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String str = "";
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try {
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new JSONArray(str);
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assertTrue("Should throw an exception", false);
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"A JSONArray text must start with '[' at 1 [character 2 line 1]".
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equals(e.getMessage()));
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}
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}
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@Test(expected=JSONException.class)
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/**
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* Attempt to create a JSONArray with a string as object that is
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* not a JSON array doc.
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* Expects a JSONException.
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*/
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@Test
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public void badObject() {
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String str = "abc";
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try {
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new JSONArray((Object)str);
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assertTrue("Should throw an exception", false);
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray initial value should be a string or collection or array.".
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equals(e.getMessage()));
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}
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}
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/**
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* Create a JSONArray doc with a variety of different elements.
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* Confirm that the values can be accessed via the get[type]() API methods
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*/
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@Test
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public void getArrayValues() {
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JSONArray jsonArray = new JSONArray(arrayStr);
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// booleans
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assertTrue("Array true",
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true == jsonArray.getBoolean(0));
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assertTrue("Array false",
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@ -65,83 +97,105 @@ public class JSONArrayTest {
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true == jsonArray.getBoolean(2));
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assertTrue("Array string false",
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false == jsonArray.getBoolean(3));
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// strings
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assertTrue("Array value string",
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"hello".equals(jsonArray.getString(4)));
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// doubles
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assertTrue("Array double",
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new Double(23.45e-4).equals(jsonArray.getDouble(5)));
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assertTrue("Array string double",
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new Double(23.45).equals(jsonArray.getDouble(6)));
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// ints
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assertTrue("Array value int",
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new Integer(42).equals(jsonArray.getInt(7)));
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assertTrue("Array value string int",
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new Integer(43).equals(jsonArray.getInt(8)));
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// nested objects
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JSONArray nestedJsonArray = jsonArray.getJSONArray(9);
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assertTrue("Array value JSONArray", nestedJsonArray != null);
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JSONObject nestedJsonObject = jsonArray.getJSONObject(10);
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assertTrue("Array value JSONObject", nestedJsonObject != null);
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// longs
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assertTrue("Array value long",
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new Long(0).equals(jsonArray.getLong(11)));
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assertTrue("Array value string long",
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new Long(-1).equals(jsonArray.getLong(12)));
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assertTrue("Array value string",
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"hello".equals(jsonArray.getString(4)));
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assertTrue("Array value null", jsonArray.isNull(-1));
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}
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/**
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* Create a JSONArray doc with a variety of different elements.
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* Confirm that attempting to get the wrong types via the get[type]()
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* API methods result in JSONExceptions
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*/
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@Test
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public void failedGetArrayValues() {
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int tryCount = 0;
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int exceptionCount = 0;
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JSONArray jsonArray = new JSONArray(arrayStr);
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try {
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tryCount++;
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jsonArray.getBoolean(4);
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assertTrue("expected getBoolean to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[4] is not a boolean.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.get(-1);
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assertTrue("expected get to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[-1] not found.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.getDouble(4);
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assertTrue("expected getDouble to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[4] is not a number.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.getInt(4);
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assertTrue("expected getInt to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[4] is not a number.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.getJSONArray(4);
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assertTrue("expected getJSONArray to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[4] is not a JSONArray.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.getJSONObject(4);
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assertTrue("expected getJSONObject to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[4] is not a JSONObject.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.getLong(4);
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assertTrue("expected getLong to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[4] is not a number.".equals(e.getMessage()));
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}
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try {
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tryCount++;
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jsonArray.getString(5);
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assertTrue("expected getString to fail", false);
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} catch (JSONException ignored) { exceptionCount++; }
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assertTrue("tryCount should match exceptionCount",
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tryCount == exceptionCount);
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} catch (JSONException e) {
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assertTrue("Expected an exception message",
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"JSONArray[5] not a string.".equals(e.getMessage()));
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}
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}
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/**
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* Exercise JSONArray.join() by converting a JSONArray into a
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* comma-separated string. Since this is very nearly a JSON document,
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* array braces are added to the beginning and end, and it is reconverted
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* back to a JSONArray for comparison.
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*/
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@Test
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public void join() {
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String expectedStr =
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@ -176,6 +230,9 @@ public class JSONArrayTest {
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Util.compareActualVsExpectedJsonArrays(finalJsonArray, expectedJsonArray);
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}
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/**
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* Confirm the JSONArray.length() method
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*/
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@Test
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public void length() {
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assertTrue("expected empty JSONArray length 0",
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@ -186,6 +243,11 @@ public class JSONArrayTest {
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assertTrue("expected JSONArray length 1", nestedJsonArray.length() == 1);
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}
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/**
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* Create a JSONArray doc with a variety of different elements.
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* Confirm that the values can be accessed via the opt[type](index)
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* and opt[type](index, default) API methods.
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*/
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@Test
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public void opt() {
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JSONArray jsonArray = new JSONArray(arrayStr);
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@ -238,6 +300,10 @@ public class JSONArrayTest {
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"".equals(jsonArray.optString(-1)));
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}
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/**
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* Exercise the JSONArray.put(value) method with various parameters
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* and confirm the resulting JSONArray.
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*/
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@Test
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public void put() {
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String expectedStr =
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@ -314,6 +380,10 @@ public class JSONArrayTest {
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Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
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}
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/**
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* Exercise the JSONArray.put(index, value) method with various parameters
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* and confirm the resulting JSONArray.
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*/
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@Test
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public void putIndex() {
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String expectedStr =
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@ -393,6 +463,10 @@ public class JSONArrayTest {
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Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
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}
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/**
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* Exercise the JSONArray.remove(index) method
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* and confirm the resulting JSONArray.
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*/
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@Test
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public void remove() {
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String arrayStr =
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@ -406,6 +480,10 @@ public class JSONArrayTest {
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Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
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}
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/**
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* Exercise the JSONArray.similar() method with various parameters
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* and confirm the results when not similar.
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*/
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@Test
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public void notSimilar() {
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String arrayStr =
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@ -441,6 +519,9 @@ public class JSONArrayTest {
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!jsonArray.similar(otherJsonArray));
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}
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/**
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* Convert an empty JSONArray to JSONObject
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*/
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@Test
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public void toJSONObject() {
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JSONArray names = new JSONArray();
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@ -449,6 +530,9 @@ public class JSONArrayTest {
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null == jsonArray.toJSONObject(names));
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}
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/**
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* Confirm the creation of a JSONArray from an array of ints
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*/
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@Test
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public void objectArrayVsIsArray() {
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String expectedStr =
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@ -462,6 +546,9 @@ public class JSONArrayTest {
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Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
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}
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/**
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* Exercise the JSONArray iterator.
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*/
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@Test
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public void iterator() {
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JSONArray jsonArray = new JSONArray(arrayStr);
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