Create a regression test for [JDK-4330998](https://bugs.openjdk.java.net/browse/JDK-4330998)
Issue tested: When calling JEditorPane.setText(null), the following exception is thrown: java.lang.NullPointerException: at java.io.StringReader.<init>(StringReader.java:38) Testing: Java 1.4.0 -> Test Failed. $ ./j2sdk1.4.0/bin/java bug4330998Win java.lang.RuntimeException: Test failed, caught Exception java.lang.NullPointerException when calling text.setText(null) at bug4330998Win.runTest(bug4330998Win.java:45) at bug4330998Win.main(bug4330998Win.java:51) Exception in thread "main" Java 1.4.1 -> Test Passed. $ ./j2sdk1.4.1/bin/java bug4330998Win Test passed ------------- Commit messages: - 8282548: Create a regression test for JDK-4330998 Changes: https://git.openjdk.java.net/jdk/pull/7740/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7740&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8282548 Stats: 55 lines in 1 file changed: 55 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk/pull/7740.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7740/head:pull/7740 PR: https://git.openjdk.java.net/jdk/pull/7740