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Diffstat (limited to '')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_05.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_05.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_05.js new file mode 100644 index 0000000000..3202a4b39f --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_filtering_05.js @@ -0,0 +1,77 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test that filtered and inverted allocation stack census trees are sorted +// properly. + +function run_test() { + const countBreakdown = { by: "count", count: true, bytes: true }; + + const BREAKDOWN = { + by: "allocationStack", + then: countBreakdown, + noStack: countBreakdown, + }; + + const stacks = []; + + function foo(depth = 1) { + stacks.push(saveStack(depth)); + bar(depth + 1); + baz(depth + 1); + stacks.push(saveStack(depth)); + } + + function bar(depth = 1) { + stacks.push(saveStack(depth)); + stacks.push(saveStack(depth)); + } + + function baz(depth = 1) { + stacks.push(saveStack(depth)); + bang(depth + 1); + stacks.push(saveStack(depth)); + } + + function bang(depth = 1) { + stacks.push(saveStack(depth)); + stacks.push(saveStack(depth)); + stacks.push(saveStack(depth)); + } + + foo(); + bar(); + baz(); + bang(); + + const REPORT = new Map( + stacks.map((s, i) => { + return [ + s, + { + count: i + 1, + bytes: (i + 1) * 10, + }, + ]; + }) + ); + + const tree = censusReportToCensusTreeNode(BREAKDOWN, REPORT, { + filter: "baz", + invert: true, + }); + + dumpn("tree = " + JSON.stringify(tree, savedFrameReplacer, 4)); + + (function assertSortedBySelf(node) { + if (node.children) { + let lastSelfBytes = Infinity; + for (const child of node.children) { + ok(child.bytes <= lastSelfBytes, `${child.bytes} <= ${lastSelfBytes}`); + lastSelfBytes = child.bytes; + assertSortedBySelf(child); + } + } + })(tree); +} |