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1 changed files with 107 additions and 56 deletions
159
CDLTest.java
159
CDLTest.java
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@ -12,11 +12,7 @@ import org.json.CDL;
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* Tests for CDL.java.
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* CDL provides an application level API, but it is not used by the
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* reference app. To test it, strings will be converted to JSON-Java classes
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* and then converted back. Since each row is an unordered JSONObject,
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* can't use a simple string compare to check for equality.
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* @author JSON.org
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* @version 2015-03-22
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*
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* and then converted back.
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*/
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public class CDLTest {
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@ -25,40 +21,90 @@ public class CDLTest {
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* and all subsequent rows are values. All keys and values should be legal.
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*/
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String lines = new String(
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"Col 1, Col 2, Col 3, Col 4, Col 5, Col 6, Col 7\n" +
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"Col 1, Col 2, \tCol 3, Col 4, Col 5, Col 6, Col 7\n" +
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"val1, val2, val3, val4, val5, val6, val7\n" +
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"1, 2, 3, 4, 5, 6, 7\n" +
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"1, 2, 3, 4\t, 5, 6, 7\n" +
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"true, false, true, true, false, false, false\n" +
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"0.23, 57.42, 5e27, -234.879, 2.34e5, 0.0, 9e-3\n" +
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"\"va\tl1\", \"v\bal2\", \"val3\", \"val\f4\", \"val5\", va\'l6, val7\n"
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);
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/**
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* Something I did not expect is that CDL.toJSONArray() adds all values as
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* strings, with no filtering or conversions. I suppose this makes it
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* easier to emit it as CDL later. For testing, it means that the
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* expected JSONObject values all must be quoted in the cases where the
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* JSONObject parsing might normally convert the value into a non-string.
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* CDL.toJSONArray() adds all values asstrings, with no filtering or
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* conversions. For testing, this means that the expected JSONObject
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* values all must be quoted in the cases where the JSONObject parsing
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* might normally convert the value into a non-string.
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*/
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String expectedLines = new String(
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"[{Col 1:val1, Col 2:val2, Col 3:val3, Col 4:val4, Col 5:val5, Col 6:val6, Col 7:val7}, "+
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"{Col 1:1, Col 2:2, Col 3:3, Col 4:4, Col 5:5, Col 6:6, Col 7:7}, "+
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"{Col 1:true, Col 2:false, Col 3:true, Col 4:true, Col 5:false, Col 6:false, Col 7:false}, "+
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"{Col 1:\"1\", Col 2:\"2\", Col 3:\"3\", Col 4:\"4\", Col 5:\"5\", Col 6:\"6\", Col 7:\"7\"}, "+
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"{Col 1:\"true\", Col 2:\"false\", Col 3:\"true\", Col 4:\"true\", Col 5:\"false\", Col 6:\"false\", Col 7:\"false\"}, "+
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"{Col 1:\"0.23\", Col 2:\"57.42\", Col 3:\"5e27\", Col 4:\"-234.879\", Col 5:\"2.34e5\", Col 6:\"0.0\", Col 7:\"9e-3\"}, "+
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"{Col 1:\"va\tl1\", Col 2:\"v\bal2\", Col 3:val3, Col 4:\"val\f4\", Col 5:val5, Col 6:va\'l6, Col 7:val7}]");
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@Test(expected=NullPointerException.class)
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public void shouldThrowExceptionOnNullString() {
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public void exceptionOnNullString() {
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/**
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* Attempts to create a JSONArray from a null string
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*/
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String nullStr = null;
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CDL.toJSONArray(nullStr);
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}
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@Test(expected=JSONException.class)
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public void unbalancedQuoteInName() {
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/**
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* Attempts to create a JSONArray from a string with unbalanced quotes
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* in column title line
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*/
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String badLine = "Col1, \"Col2\nVal1, Val2";
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CDL.toJSONArray(badLine);
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}
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@Test(expected=JSONException.class)
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public void unbalancedQuoteInValue() {
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/**
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* Attempts to create a JSONArray from a string with unbalanced quotes
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* in value line
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*/
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String badLine = "Col1, Col2\n\"Val1, Val2";
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CDL.toJSONArray(badLine);
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}
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@Test(expected=JSONException.class)
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public void nullInName() {
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/**
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* Attempts to create a JSONArray from a string with null char
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* in column title line
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*/
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String badLine = "C\0ol1, Col2\nVal1, Val2";
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CDL.toJSONArray(badLine);
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}
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@Test(expected=NullPointerException.class)
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public void nullJSONArrayToString() {
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/**
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* call toString with a null array
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*/
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CDL.toString((JSONArray)null);
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}
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@Test
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/**
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* Note: This test reveals a bug in the method JavaDoc. It should
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* mention it might return null, or it should return an empty JSONArray.
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*/
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public void shouldHandleOnlyColumnNames() {
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public void emptyString() {
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/**
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* Create a JSONArray from an empty string
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*/
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String emptyStr = "";
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JSONArray jsonArray = CDL.toJSONArray(emptyStr);
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assertTrue("CDL should return null when the input string is empty",
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jsonArray == null);
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}
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@Test
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public void onlyColumnNames() {
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/**
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* Create a JSONArray with only 1 row
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*/
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String columnNameStr = "col1, col2, col3";
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JSONArray jsonArray = CDL.toJSONArray(columnNameStr);
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assertTrue("CDL should return null when only 1 row is given",
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@ -66,38 +112,39 @@ public class CDLTest {
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}
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@Test
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/**
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* Note: This test reveals a bug in the method JavaDoc. It should
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* mention it might return null, or it should return an empty JSONArray.
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*/
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public void shouldHandleEmptyString() {
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String emptyStr = "";
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JSONArray jsonArray = CDL.toJSONArray(emptyStr);
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assertTrue("CDL should return null when the input string is empty",
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public void emptyLinesToJSONArray() {
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/**
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* Create a JSONArray from string containing only whitespace and commas
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*/
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String str = " , , , \n , , , ";
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JSONArray jsonArray = CDL.toJSONArray(str);
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assertTrue("JSONArray should be null for no content",
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jsonArray == null);
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}
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@Test(expected=JSONException.class)
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public void shouldHandleUnbalancedQuoteInName() {
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String badLine = "Col1, \"Col2\nVal1, Val2";
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CDL.toJSONArray(badLine);
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@Test
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public void emptyJSONArrayToString() {
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/**
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* call toString with a null array
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*/
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JSONArray jsonArray = new JSONArray();
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String str = CDL.toString(jsonArray);
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assertTrue("CDL should return null for toString(null)",
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str == null);
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}
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@Test(expected=JSONException.class)
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public void shouldHandleUnbalancedQuoteInValue() {
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String badLine = "Col1, Col2\n\"Val1, Val2";
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CDL.toJSONArray(badLine);
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}
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@Test(expected=JSONException.class)
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public void shouldHandleNullInName() {
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String badLine = "C\0ol1, Col2\nVal1, Val2";
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CDL.toJSONArray(badLine);
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}
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@Test
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public void toStringShouldCheckSpecialChars() {
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public void nullJSONArraysToString() {
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/**
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* call toString with a null arrays for names and values
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*/
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String str = CDL.toString(null, null);
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assertTrue("CDL should return null for toString(null)",
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str == null);
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}
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@Test
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public void checkSpecialChars() {
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/**
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* Given a JSONArray that was not built by CDL, some chars may be
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* found that would otherwise be filtered out by CDL.
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@ -119,16 +166,21 @@ public class CDLTest {
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}
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@Test
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public void shouldConvertCDLToJSONArray() {
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// this array is built by CDL
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public void textToJSONArray() {
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/**
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* Create a JSONArray from a string of lines
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*/
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JSONArray jsonArray = CDL.toJSONArray(lines);
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// This array is built from JSON parsing
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JSONArray expectedJsonArray = new JSONArray(expectedLines);
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Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
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}
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@Test
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public void shouldCreateJSONArrayUsingJSONArray() {
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public void jsonArrayToJSONArray() {
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/**
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* Create a JSONArray from a JSONArray of titles and a
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* string of value lines
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*/
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String nameArrayStr = "[Col1, Col2]";
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String values = "V1, V2";
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JSONArray nameJSONArray = new JSONArray(nameArrayStr);
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@ -138,11 +190,10 @@ public class CDLTest {
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}
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@Test
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public void shouldConvertCDLToJSONArrayAndBackToString() {
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public void textToJSONArrayAndBackToString() {
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/**
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* This is the first test of normal functionality.
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* The string contains a typical variety of values
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* that might be found in a real CDL.
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* Create a JSONArray from a string of lines,
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* then convert to string and then back to JSONArray
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*/
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JSONArray jsonArray = CDL.toJSONArray(lines);
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String jsonStr = CDL.toString(jsonArray);
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