diff options
Diffstat (limited to 'devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_03.js')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_03.js | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_03.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_03.js new file mode 100644 index 0000000000..013a93697a --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_03.js @@ -0,0 +1,21 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test that we can get the root of dominator trees. + +function run_test() { + const dominatorTree = saveHeapSnapshotAndComputeDominatorTree(); + equal(typeof dominatorTree.root, "number", "root should be a number"); + equal( + Math.floor(dominatorTree.root), + dominatorTree.root, + "root should be an integer" + ); + ok(dominatorTree.root >= 0, "root should be positive"); + ok( + dominatorTree.root <= Math.pow(2, 48), + "root should be less than or equal to 2^48" + ); + do_test_finished(); +} |