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  1. JDK
  2. JDK-8202767

java/awt/font/GlyphVector/TestLayoutFlags.java is missing null check

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 11
    • Component/s: client-libs
    • Subcomponent:
      2d
    • Resolved In Build:
      b14

      Backports

        Description

        java/awt/font/GlyphVector/TestLayoutFlags.java now looks for a font
        that supports the code points and makeGlyphVector returns null if
        none is found. But there is no code in test(..) to skip + return in that case.
        So if this happens to be run on a system without such fonts we can get
        an NPE like this:
        Using Bitstream Charter for script latin
        No font found for script hebrew
        No font found for script arabic
        No font found for script devanagari
        No font found for script tamil

        *** latin ***
         test flags
        computed flags: pos
          actual flags: pos
        allowed layout flags: none
        ----------System.err:(17/986)----------
        java.lang.NullPointerException
        at TestLayoutFlags.validateCharIndexMethods(TestLayoutFlags.java:225)
        at TestLayoutFlags.computeFlags(TestLayoutFlags.java:204)
        at TestLayoutFlags.test(TestLayoutFlags.java:146)
        at TestLayoutFlags.runTest(TestLayoutFlags.java:88)
        at TestLayoutFlags.main(TestLayoutFlags.java:42)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:569)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
        at java.base/java.lang.Thread.run(Thread.java:832)

        JavaTest Message: Test threw exception: java.lang.NullPointerException
        JavaTest Message: shutting down test
        ====

        The fix is just to add that check.

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                Assignee:
                prr Philip Race
                Reporter:
                prr Philip Race
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                  Dates

                  Created:
                  Updated:
                  Resolved: