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The compactor copies all live objects in old space to fresh pages, places forwarding pointers in the old objects, forwards all the pointers, then frees the old pages. This has a high space overhead. It is not meant for use in production, but meant to test that the VM is properly set up to handle old-space objects moving. Large page objects and instruction objects are not moved. Bug: https://github.com/dart-lang/sdk/issues/30978 Change-Id: Ia42683fd5e27a33702aa5e83bece803a8b005a4b Reviewed-on: https://dart-review.googlesource.com/13624 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Zach Anderson <zra@google.com> Reviewed-by: Erik Corry <erikcorry@google.com>
Run Existing Tests ================== See the output of ../tools/test.py --help for how to run tests. See also https://code.google.com/p/dart/wiki/Building#Testing for detailed examples. Create New Tests ================ See comments above factory StandardTestSuite.forDirectory in ../tools/testing/dart/test_suite.dart for the default test directory layout. By default test-file names must end in "_test.dart", but some test suites, such as ./co19, subclass StandardTestSuite and override this default. See comments at the beginning of ../tools/testing/dart/multitest.dart for how to create tests that pass by failing with a known error. For example, ... int x = "not an int"; /// 01: static type warning ... as part of a test will only pass the "--compiler dart2analyzer" test if the assignment generates a static type warning.