Tests for Issue #240 in JSON-Java

.gitignore

@@ -3,3 +3,9 @@ build
 .classpath
 .project
 .settings/
+/.gradle/
+/gradle/
+/gradlew
+/gradlew.bat
+.gitmodules
+src/main/

README.md

@@ -29,15 +29,22 @@ git clone https://github.com/stleary/JSON-Java-unit-test.git .
 \# Create a directory structure for the JSON-Java code
 ````
 # Windows version
-md /s src\org\json
+md /s src\main\java\org\json
+# *nix version
+mkdir -p src/main/java/org/json
 ````
 \# clone JSON-Java 
 ````
-git clone https://github.com/stleary/JSON-Java.git src\org\json
+#Windows version
+git clone https://github.com/stleary/JSON-Java.git src\main\java\org\json
+
+#*Nix version
+git clone https://github.com/stleary/JSON-Java.git src/main/java/org/json
 ````
 \# Build, then execute the unit tests and code coverage
 ````
 gradle clean build test jacocoTestReport
+
 ````
 Unit test results will be in build\reports\tests\index.html<br>
 Code coverage will be in build\reports\jacoco\html\index.html
@@ -55,7 +62,7 @@ When adding a new unit test, don't forget to update <b>JunitTestSuite.java</b>.
 
 <b>The fundamental issues with JSON-Java testing are:</b><br>
 * <b>JSONObjects</b> are unordered, making simple string comparison ineffective. 
-* Comparisons via **equals()** is not currently supported. Neither <b>JSONArray</b> nor <b>JSONObject</b> overrride <b>hashCode()</b> or <b>equals()</b>, so comparison defaults to the <b>Object</b> equals(), which is not useful.
+* Comparisons via **equals()** is not currently supported. Neither <b>JSONArray</b> nor <b>JSONObject</b> override <b>hashCode()</b> or <b>equals()</b>, so comparison defaults to the <b>Object</b> equals(), which is not useful.
 * Access to the <b>JSONArray</b> and <b>JSONObject</b> internal containers for comparison is not currently available.
 
 <b>General issues with unit testing are:</b><br>

build.gradle

@@ -4,21 +4,8 @@ apply plugin: 'jacoco'
 
 sourceSets {
   // Uncomment main if you have merged JSON-Java and JSON-Java-unit-test code
-  main {
-    java {
-      srcDir 'src'
-      exclude 'test/' 
-    }
-  }
-  test {
-    java {
-      srcDir 'src/test'
-      exclude 'resources/'
-    }
-    resources {
-       srcDir 'resources'
-    }
-  }
+  main
+  test
 }
 
 repositories {

src/test/org/json/junit/JSONObjectTest.java → src/test/java/org/json/junit/JSONObjectTest.java

@@ -1564,6 +1564,26 @@ public void wrapObject() {
         assertTrue("expected val3", "val3".equals(mapJsonObject.query("/key3")));
     }
 
+
+    /**
+     * RFC 7159 defines control characters to be U+0000 through U+001F. This test verifies that the parser is checking for these in expected ways.
+     */
+    @Test
+    public void jsonObjectParseControlCharacters(){
+        for(int i = 0;i<=0x001f;i++){
+            final String charString = String.valueOf((char)i);
+            final String source = "{\"key\":\""+charString+"\"}";
+            try {
+                JSONObject jo = new JSONObject(source);
+                assertTrue("Expected "+charString+"("+i+") in the JSON Object but did not find it.",charString.equals(jo.getString("key")));
+            } catch (JSONException ex) {
+                assertTrue("Only \\0 (U+0000), \\n (U+000A), and \\r (U+000D) should cause an error. Instead "+charString+"("+i+") caused an error",
+                        i=='\0' || i=='\n' || i=='\r'
+                );
+            }
+        }
+    }
+
     /**
      * Explore how JSONObject handles parsing errors.
      */