Bug 160178 NPE when new AutoTextContent( null);
Description: NPE when new AutoTextContent( null); Steps to reproduce: Run codes like: IAutoTextContent autoTextContent = new AutoTextContent( null); Expected result: Proper process of null argument. Actual result: NPE. Error logs: java.lang.NullPointerException at org.eclipse.birt.report.engine.content.impl.AbstractContent.<init>(AbstractContent.java:93) at org.eclipse.birt.report.engine.content.impl.TextContent.<init>(TextContent.java:36) at org.eclipse.birt.report.engine.content.impl.AutoTextContent.<init>(AutoTextContent.java:39) at org.eclipse.birt.report.tests.engine.api.IAutoTextContentTest.testGetType(IAutoTextContentTest.java:32) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at junit.framework.TestCase.runTest(TestCase.java:154) at junit.framework.TestCase.runBare(TestCase.java:127) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:118) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:58) at org.eclipse.pde.internal.junit.runtime.CoreTestApplication.run(CoreTestApplication.java:24) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952)
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/content/impl/AbstractContent.java
x.readObject( in );
				break;
			case FIELD_Y :
				y = new DimensionType( );
				y.readObject( in );
				break;
			case FIELD_WIDTH :
				width = new DimensionType( );
				width.readObject( in );
				break;
			case FIELD_HEIGHT :
				height = new DimensionType( );
				height.readObject( in );
				break;
			case FIELD_HYPERLINK :
				ActionContent action = new ActionContent( );
				action.readObject( in );
				hyperlink = action;
				break;
			case FIELD_BOOKMARK :
				bookmark = IOUtil.readString( in );
				break;
			case FIELD_HELPTEXT :
				helpText = IOUtil.readString( in );
				break;
			case FIELD_INLINESTYLE :
				String style = IOUtil.readString( in );
				if ( style != null && style.length( ) != 0 )
				{
					inlineStyle = new StyleDeclaration( cssEngine );