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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js new file mode 100644 index 0000000000..a669c7b52b --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js @@ -0,0 +1,26 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test that we can get the retained sizes of dominator trees. + +function run_test() { + const dominatorTree = saveHeapSnapshotAndComputeDominatorTree(); + equal( + typeof dominatorTree.getRetainedSize, + "function", + "getRetainedSize should be a function" + ); + + const size = dominatorTree.getRetainedSize(dominatorTree.root); + ok(size, "should get a size for the root"); + equal(typeof size, "number", "retained sizes should be a number"); + equal(Math.floor(size), size, "size should be an integer"); + ok(size > 0, "size should be positive"); + ok(size <= Math.pow(2, 64), "size should be less than or equal to 2^64"); + + const bad = dominatorTree.getRetainedSize(1); + equal(bad, null, "null is returned for unknown node ids"); + + do_test_finished(); +} |