diff options
Diffstat (limited to 'devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_01.js')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_01.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_01.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_01.js new file mode 100644 index 0000000000..f98094fd32 --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_01.js @@ -0,0 +1,24 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Sanity test that we can compute dominator trees. + +function run_test() { + const path = ChromeUtils.saveHeapSnapshot({ runtime: true }); + const snapshot = ChromeUtils.readHeapSnapshot(path); + + const dominatorTree = snapshot.computeDominatorTree(); + ok(dominatorTree); + ok(DominatorTree.isInstance(dominatorTree)); + + let threw = false; + try { + new DominatorTree(); + } catch (e) { + threw = true; + } + ok(threw, "Constructor shouldn't be usable"); + + do_test_finished(); +} |