summaryrefslogtreecommitdiffstats
path: root/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_11.js
diff options
context:
space:
mode:
Diffstat (limited to 'devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_11.js')
-rw-r--r--devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_11.js116
1 files changed, 0 insertions, 116 deletions
diff --git a/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_11.js b/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_11.js
deleted file mode 100644
index 3d898b2d1..000000000
--- a/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_11.js
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// Test that Debugger.Memory.prototype.takeCensus and
-// HeapSnapshot.prototype.takeCensus return the same data for the same heap
-// graph.
-
-function doLiveAndOfflineCensus(g, dbg, opts) {
- dbg.memory.allocationSamplingProbability = 1;
- dbg.memory.trackingAllocationSites = true;
- g.eval(` // 1
- (function unsafeAtAnySpeed() { // 2
- for (var i = 0; i < 100; i++) { // 3
- this.markers.push(allocationMarker()); // 4
- } // 5
- }()); // 6
- `); // 7
- dbg.memory.trackingAllocationSites = false;
-
- return {
- live: dbg.memory.takeCensus(opts),
- offline: saveHeapSnapshotAndTakeCensus(dbg, opts)
- };
-}
-
-function run_test() {
- var g = newGlobal();
- var dbg = new Debugger(g);
-
- g.eval("this.markers = []");
- const markerSize = byteSize(allocationMarker());
-
- // First, test that we get the same counts and sizes as we allocate and retain
- // more things.
-
- let prevCount = 0;
- let prevBytes = 0;
-
- for (var i = 0; i < 10; i++) {
- const { live, offline } = doLiveAndOfflineCensus(g, dbg, {
- breakdown: { by: "objectClass",
- then: { by: "count"} }
- });
-
- equal(live.AllocationMarker.count, offline.AllocationMarker.count);
- equal(live.AllocationMarker.bytes, offline.AllocationMarker.bytes);
- equal(live.AllocationMarker.count, prevCount + 100);
- equal(live.AllocationMarker.bytes, prevBytes + 100 * markerSize);
-
- prevCount = live.AllocationMarker.count;
- prevBytes = live.AllocationMarker.bytes;
- }
-
- // Second, test that the reported allocation stacks and counts and sizes at
- // those allocation stacks match up.
-
- const { live, offline } = doLiveAndOfflineCensus(g, dbg, {
- breakdown: { by: "objectClass",
- then: { by: "allocationStack"} }
- });
-
- equal(live.AllocationMarker.size, offline.AllocationMarker.size);
- // One stack with the loop further above, and another stack featuring the call
- // right above.
- equal(live.AllocationMarker.size, 2);
-
- // Note that because SavedFrame stacks reconstructed from an offline heap
- // snapshot don't have the same principals as SavedFrame stacks captured from
- // a live stack, the live and offline allocation stacks won't be identity
- // equal, but should be structurally the same.
-
- const liveEntries = [];
- live.AllocationMarker.forEach((v, k) => {
- dumpn("Allocation stack:");
- k.toString().split(/\n/g).forEach(s => dumpn(s));
-
- equal(k.functionDisplayName, "unsafeAtAnySpeed");
- equal(k.line, 4);
-
- liveEntries.push([k.toString(), v]);
- });
-
- const offlineEntries = [];
- offline.AllocationMarker.forEach((v, k) => {
- dumpn("Allocation stack:");
- k.toString().split(/\n/g).forEach(s => dumpn(s));
-
- equal(k.functionDisplayName, "unsafeAtAnySpeed");
- equal(k.line, 4);
-
- offlineEntries.push([k.toString(), v]);
- });
-
- const sortEntries = (a, b) => {
- if (a[0] < b[0]) {
- return -1;
- } else if (a[0] > b[0]) {
- return 1;
- } else {
- return 0;
- }
- };
- liveEntries.sort(sortEntries);
- offlineEntries.sort(sortEntries);
-
- equal(liveEntries.length, live.AllocationMarker.size);
- equal(liveEntries.length, offlineEntries.length);
-
- for (let i = 0; i < liveEntries.length; i++) {
- equal(liveEntries[i][0], offlineEntries[i][0]);
- equal(liveEntries[i][1].count, offlineEntries[i][1].count);
- equal(liveEntries[i][1].bytes, offlineEntries[i][1].bytes);
- }
-
- do_test_finished();
-}