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Posted to commits@harmony.apache.org by "Alexey Petrenko (JIRA)" <ji...@apache.org> on 2007/03/01 21:53:50 UTC
[jira] Assigned: (HARMONY-3204) [awt] Window.pack() throws NPE if
the font of nested components is not set
[ https://issues.apache.org/jira/browse/HARMONY-3204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Petrenko reassigned HARMONY-3204:
----------------------------------------
Assignee: Alexey Petrenko
> [awt] Window.pack() throws NPE if the font of nested components is not set
> --------------------------------------------------------------------------
>
> Key: HARMONY-3204
> URL: https://issues.apache.org/jira/browse/HARMONY-3204
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Andrey Pavlenko
> Assigned To: Alexey Petrenko
> Attachments: HARMONY-3204-Window.patch, HARMONY-3204-WindowTest.patch
>
>
> The method Window.pack() throws NPE if the font of nested components is not set. See the following example.
> public void testPack() {
> final Frame f = new Frame();
> final Button b = new Button();
> assertNull(b.getFont());
> f.add(b);
> assertNull(b.getFont());
> assertFalse(b.isDisplayable());
> f.pack();
> assertTrue(f.isDisplayable());
> assertTrue(b.isDisplayable());
> assertNotNull(b.getFont());
> assertNotNull(f.getFont());
> f.dispose();
> }
> Output:
> 1) testPack(AwtTest)java.lang.NullPointerException
> at org.apache.harmony.awt.gl.font.FontMetricsImpl.getFontPeer(FontMetricsImpl.java:240)
> at org.apache.harmony.awt.gl.font.FontMetricsImpl.<init>(FontMetricsImpl.java:60)
> at org.apache.harmony.awt.gl.CommonGraphics2DFactory.getFontMetrics(CommonGraphics2DFactory.java:57)
> at java.awt.ToolkitImpl.getFontMetrics(ToolkitImpl.java:136)
> at java.awt.Component$ComponentState.getFontMetrics(Component.java:773)
> at org.apache.harmony.awt.theme.DefaultButton.calculate(DefaultButton.java)
> at org.apache.harmony.awt.Theme.calculateButton(Theme.java)
> at java.awt.Button$State.calculate(Button.java:125)
> at java.awt.Button.addNotify(Button.java:203)
> at java.awt.Container.addNotify(Container.java:447)
> at java.awt.Window.addNotify(Window.java:207)
> at java.awt.Frame.addNotify(Frame.java:185)
> at java.awt.Component.mapToDisplay(Component.java:1412)
> at java.awt.Container.mapToDisplay(Container.java)
> at java.awt.Window.pack(Window.java:697)
> at AwtTest.testPack(AwtTest.java:146)
> at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
> at AwtTest.main(AwtTest.java:176)
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