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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: devtools/shared/heapsnapshot/tests/xpcshell/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test diffing census reports of a "complex" and "realistic" breakdown.
const BREAKDOWN = {
by: "coarseType",
objects: {
by: "allocationStack",
then: {
by: "objectClass",
then: { by: "count", count: false, bytes: true },
other: { by: "count", count: false, bytes: true },
},
noStack: {
by: "objectClass",
then: { by: "count", count: false, bytes: true },
other: { by: "count", count: false, bytes: true },
},
},
strings: {
by: "internalType",
then: { by: "count", count: false, bytes: true },
},
scripts: {
by: "internalType",
then: { by: "count", count: false, bytes: true },
},
other: {
by: "internalType",
then: { by: "count", count: false, bytes: true },
},
domNode: {
by: "internalType",
then: { by: "count", count: false, bytes: true },
},
};
const stack1 = saveStack();
const stack2 = saveStack();
const stack3 = saveStack();
const REPORT1 = {
objects: new Map([
[
stack1,
{ Function: { bytes: 1 }, Object: { bytes: 2 }, other: { bytes: 0 } },
],
[stack2, { Array: { bytes: 3 }, Date: { bytes: 4 }, other: { bytes: 0 } }],
["noStack", { Object: { bytes: 3 } }],
]),
strings: {
JSAtom: { bytes: 10 },
JSLinearString: { bytes: 5 },
},
scripts: {
JSScript: { bytes: 1 },
"js::jit::JitCode": { bytes: 2 },
},
other: {
"mozilla::dom::Thing": { bytes: 1 },
},
domNode: {},
};
const REPORT2 = {
objects: new Map([
[stack2, { Array: { bytes: 1 }, Date: { bytes: 2 }, other: { bytes: 3 } }],
[
stack3,
{ Function: { bytes: 1 }, Object: { bytes: 2 }, other: { bytes: 0 } },
],
["noStack", { Object: { bytes: 3 } }],
]),
strings: {
JSAtom: { bytes: 5 },
JSLinearString: { bytes: 10 },
},
scripts: {
JSScript: { bytes: 2 },
"js::LazyScript": { bytes: 42 },
"js::jit::JitCode": { bytes: 1 },
},
other: {
"mozilla::dom::OtherThing": { bytes: 1 },
},
domNode: {},
};
const EXPECTED = {
objects: new Map([
[
stack1,
{ Function: { bytes: -1 }, Object: { bytes: -2 }, other: { bytes: 0 } },
],
[
stack2,
{ Array: { bytes: -2 }, Date: { bytes: -2 }, other: { bytes: 3 } },
],
[
stack3,
{ Function: { bytes: 1 }, Object: { bytes: 2 }, other: { bytes: 0 } },
],
["noStack", { Object: { bytes: 0 } }],
]),
scripts: {
JSScript: {
bytes: 1,
},
"js::jit::JitCode": {
bytes: -1,
},
"js::LazyScript": {
bytes: 42,
},
},
strings: {
JSAtom: {
bytes: -5,
},
JSLinearString: {
bytes: 5,
},
},
other: {
"mozilla::dom::Thing": {
bytes: -1,
},
"mozilla::dom::OtherThing": {
bytes: 1,
},
},
domNode: {},
};
function run_test() {
assertDiff(BREAKDOWN, REPORT1, REPORT2, EXPECTED);
}