Mypal/dom/heapsnapshot/tests/unit/test_DominatorTreeNode_Labe...

54 lines
1.1 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Test that we can generate label structures from node description reports.
const breakdown = {
by: "coarseType",
objects: {
by: "objectClass",
then: {
by: "allocationStack",
then: { by: "count", count: true, bytes: true },
noStack: { by: "count", count: true, bytes: true },
},
other: { by: "count", count: true, bytes: true },
},
strings: {
by: "internalType",
then: { by: "count", count: true, bytes: true },
},
scripts: {
by: "internalType",
then: { by: "count", count: true, bytes: true },
},
other: {
by: "internalType",
then: { by: "count", count: true, bytes: true },
},
};
const stack = saveStack();
const description = {
objects: {
Array: new Map([[stack, { count: 1, bytes: 512 }]]),
other: { count: 0, bytes: 0 }
},
strings: {},
scripts: {},
other: {}
};
const expected = [
"objects",
"Array",
stack
];
const shallowSize = 512;
function run_test() {
assertLabelAndShallowSize(breakdown, description, shallowSize, expected);
}