From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../tests/xpcshell/test_DominatorTree_04.js | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js (limited to 'devtools/shared/heapsnapshot/tests/xpcshell/test_DominatorTree_04.js') 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(); +} -- cgit v1.2.3