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Diffstat (limited to 'devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_02.js')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_02.js | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_02.js b/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_02.js deleted file mode 100644 index 680ac9b58..000000000 --- a/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_takeCensus_02.js +++ /dev/null @@ -1,57 +0,0 @@ -/* Any copyright is dedicated to the Public Domain. - http://creativecommons.org/publicdomain/zero/1.0/ */ - -// HeapSnapshot.prototype.takeCensus behaves plausibly as we allocate objects. -// -// Exact object counts vary in ways we can't predict. For example, -// BaselineScripts can hold onto "template objects", which exist only to hold -// the shape and type for newly created objects. When BaselineScripts are -// discarded, these template objects go with them. -// -// So instead of expecting precise counts, we expect counts that are at least as -// many as we would expect given the object graph we've built. -// -// Ported from js/src/jit-tests/debug/Memory-takeCensus-02.js - -function run_test() { - // A Debugger with no debuggees had better not find anything. - var dbg = new Debugger; - var census0 = saveHeapSnapshotAndTakeCensus(dbg); - Census.walkCensus(census0, "census0", Census.assertAllZeros); - - function newGlobalWithDefs() { - var g = newGlobal(); - g.eval(` - function times(n, fn) { - var a=[]; - for (var i = 0; i<n; i++) - a.push(fn()); - return a; - } - `); - return g; - } - - // Allocate a large number of various types of objects, and check that census - // finds them. - var g = newGlobalWithDefs(); - dbg.addDebuggee(g); - - g.eval("var objs = times(100, () => ({}));"); - g.eval("var rxs = times(200, () => /foo/);"); - g.eval("var ars = times(400, () => []);"); - g.eval("var fns = times(800, () => () => {});"); - - var census1 = dbg.memory.takeCensus(dbg); - Census.walkCensus(census1, "census1", - Census.assertAllNotLessThan( - { "objects": - { "Object": { count: 100 }, - "RegExp": { count: 200 }, - "Array": { count: 400 }, - "Function": { count: 800 } - } - })); - - do_test_finished(); -} |