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62 lines
2.0 KiB
Plaintext
62 lines
2.0 KiB
Plaintext
To add a new IPDL C++ unit test, you need to create (at least) the
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following files (for a test "TestFoo"):
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- PTestFoo.ipdl, specifying the top-level protocol used for the test
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- TestFoo.h, declaring the top-level parent/child actors used for
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the test
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- TestFoo.cpp, defining the top-level actors
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- (make sure all are in the namespace mozilla::_ipdltest)
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Next
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- add PTestFoo.ipdl to ipdl.mk
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- append TestFoo to the variable IPDLTESTS in Makefile.in
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You must define three methods in your |TestFooParent| class:
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- static methods |bool RunTestInProcesses()| and
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|bool RunTestInThreads()|. These methods control whether
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to execute the test using actors in separate processes and
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threads respectively. Generally, both should return true.
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- an instance method |void Main()|. The test harness wil first
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initialize the processes or threads, create and open both actors,
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and then kick off the test using |Main()|. Make sure you define
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it.
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If your test passes its criteria, please call
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|MOZ_IPDL_TESTPASS("msg")| and "exit gracefully".
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If your tests fails, please call |MOZ_IPDL_TESTFAIL("msg")| and "exit
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ungracefully", preferably by abort()ing.
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If all goes well, running
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make -C $OBJDIR/ipc/ipdl/test/cxx
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will update the file IPDLUnitTests.cpp (the test launcher), and your
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new code will be built automatically.
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You can launch your new test by invoking one of
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make -C $OBJDIR/ipc/ipdl/test/cxx check-proc (test process-based tests)
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make -C $OBJDIR/ipc/ipdl/test/cxx check-threads (test thread-based tests)
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make -C $OBJDIR/ipc/ipdl/test/cxx check (tests both)
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If you want to launch only your test, run
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cd $OBJDIR/dist/bin
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./run-mozilla.sh ./ipdlunittest TestFoo (test in two processes, if appl.)
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./run-mozilla.sh ./ipdlunittest thread:TestFoo (test in two threads, if appl.)
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For a bare-bones example of adding a test, take a look at
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PTestSanity.ipdl, TestSanity.h, TestSanity.cpp, and how "TestSanity"
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is included in ipdl.mk and Makefile.in.
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