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From "Ilya Okomin" <ilya.oko...@gmail.com>
Subject Re: [jira] Created: (HARMONY-1456) [classlib][awt]java.awt.Font.hasUniformLineMetrics() return true on Harmony while RI returns false
Date Tue, 19 Sep 2006 09:37:02 GMT
Hi, community!

I found for java.awt.Font.hasUniformLineMetrics() RI returns false for all
fonts (physical/logical) while Harmony returns true for physical and false
for logical.
Spec says: "Checks whether or not this Font has uniform line metrics. A
logical Font might be a composite font, which means that it is composed of
different physical fonts to cover different code ranges. Each of these fonts
might have different LineMetrics. If the logical Font is a single font then
the metrics would be uniform. ". Thus I find reasonable to return true for
physical fonts, as they are single.I assume that it is a non-bug difference
from RI.
Any thoughts on this issue?

Regards,
Ilya.


On 9/13/06, Ilya Okomin (JIRA) <jira@apache.org> wrote:
>
> [classlib][awt]java.awt.Font.hasUniformLineMetrics() return true on
> Harmony while RI returns false
>
> --------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1456
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1456
>             Project: Harmony
>          Issue Type: Bug
>          Components: Non-bug differences from RI
>         Environment: Windows XP
>            Reporter: Ilya Okomin
>            Priority: Trivial
>
>
> According to the specification method must Font.hasUniformLineMetricsreturn true if this
Font has uniform
> line metrics; false otherwise.
> RI returns false for physical font "Arial" while Harmony returns true.
> ====================test.java====================
> import java.awt.*;
>
> import junit.framework.TestCase;
>
> public class test extends TestCase {
>
>    public void testRun() {
>        final String name = "Arial";
>
>        Font f=new Font(name, Font.BOLD, 12);
>
>        // Check if created font is physical, it's family name
>        // is not logical and equals to the name parameter.
>        assertEquals(f.getFamily(), name);
>        assertTrue(f.hasUniformLineMetrics());
>    }
> }
> ===============================================
>
> Output:
> RI: java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32,
> R25.0.0-75, GC: System optimized over throughput (initial strategy
> singleparpar))
>
> junit.framework.AssertionFailedError
>        at junit.framework.Assert.fail(Assert.java:47)
>        at junit.framework.Assert.assertTrue(Assert.java:20)
>        at junit.framework.Assert.assertTrue(Assert.java:27)
>        at test.testRun(Test9688.java:17)
>        at jrockit.reflect.VirtualNativeMethodInvoker.invoke(
> Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source)
>        at java.lang.reflect.Method.invoke(Ljava.lang.Object;[
> Ljava.lang.Object;I)Ljava.lang.Object;(Unknown Source)
>        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 junit.framework.TestSuite.runTest(TestSuite.java:208)
>        at junit.framework.TestSuite.run(TestSuite.java:203)
>        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(
> RemoteTestRunner.java:478)
>        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(
> RemoteTestRunner.java:344)
>        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(
> RemoteTestRunner.java:196)
>
> Harmony: java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r431938, (Aug 16 2006), Windows/ia32/msvc 1310, release build
> http://incubator.apache.org/harmony
>
> // test passed!
>
> I would suppose that it is RI bug, since spec says: " If the logical Font
> is a single font then the metrics would be uniform." In this case we have
> "Arial" font that is a single physical font on Windows platform and
> according to spec it has to have uniform metrics.
>
>
>
> --
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>
>
>


-- 
--
Ilya Okomin
Intel Middleware Products Division

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