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authorMatt A. Tobin <email@mattatobin.com>2020-02-22 17:32:39 -0500
committerMatt A. Tobin <email@mattatobin.com>2020-02-22 17:32:39 -0500
commit4e2e9be6abed3225406b466099e397acc0f914d2 (patch)
tree023551018892b8e76ae80e63a08d9d6a27c21a77 /dom/heapsnapshot/tests/unit/test_HeapAnalyses_getImmediatelyDominated_01.js
parenta7888b8cf20691a4090715ab9b055ec3cb75f5e8 (diff)
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Reclassify heapsnapshot and nsJSInspector as not part of devtools
This resolves Issue #316
Diffstat (limited to 'dom/heapsnapshot/tests/unit/test_HeapAnalyses_getImmediatelyDominated_01.js')
-rw-r--r--dom/heapsnapshot/tests/unit/test_HeapAnalyses_getImmediatelyDominated_01.js81
1 files changed, 81 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_HeapAnalyses_getImmediatelyDominated_01.js b/dom/heapsnapshot/tests/unit/test_HeapAnalyses_getImmediatelyDominated_01.js
new file mode 100644
index 000000000..caf1c2056
--- /dev/null
+++ b/dom/heapsnapshot/tests/unit/test_HeapAnalyses_getImmediatelyDominated_01.js
@@ -0,0 +1,81 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test the HeapAnalyses{Client,Worker} "getImmediatelyDominated" request.
+
+function run_test() {
+ run_next_test();
+}
+
+const breakdown = {
+ by: "coarseType",
+ objects: { by: "count", count: true, bytes: true },
+ scripts: { by: "count", count: true, bytes: true },
+ strings: { by: "count", count: true, bytes: true },
+ other: { by: "count", count: true, bytes: true },
+};
+
+add_task(function* () {
+ const client = new HeapAnalysesClient();
+
+ const snapshotFilePath = saveNewHeapSnapshot();
+ yield client.readHeapSnapshot(snapshotFilePath);
+ const dominatorTreeId = yield client.computeDominatorTree(snapshotFilePath);
+
+ const partialTree = yield client.getDominatorTree({
+ dominatorTreeId,
+ breakdown
+ });
+ ok(partialTree.children.length > 0,
+ "root should immediately dominate some nodes");
+
+ // First, test getting a subset of children available.
+ const response = yield client.getImmediatelyDominated({
+ dominatorTreeId,
+ breakdown,
+ nodeId: partialTree.nodeId,
+ startIndex: 0,
+ maxCount: partialTree.children.length - 1
+ });
+
+ ok(Array.isArray(response.nodes));
+ ok(response.nodes.every(node => node.parentId === partialTree.nodeId));
+ ok(response.moreChildrenAvailable);
+ equal(response.path.length, 1);
+ equal(response.path[0], partialTree.nodeId);
+
+ for (let node of response.nodes) {
+ equal(typeof node.shortestPaths, "object",
+ "Should have shortest paths");
+ equal(typeof node.shortestPaths.nodes, "object",
+ "Should have shortest paths' nodes");
+ equal(typeof node.shortestPaths.edges, "object",
+ "Should have shortest paths' edges");
+ }
+
+ // Next, test getting a subset of children available.
+ const secondResponse = yield client.getImmediatelyDominated({
+ dominatorTreeId,
+ breakdown,
+ nodeId: partialTree.nodeId,
+ startIndex: 0,
+ maxCount: Infinity
+ });
+
+ ok(Array.isArray(secondResponse.nodes));
+ ok(secondResponse.nodes.every(node => node.parentId === partialTree.nodeId));
+ ok(!secondResponse.moreChildrenAvailable);
+ equal(secondResponse.path.length, 1);
+ equal(secondResponse.path[0], partialTree.nodeId);
+
+ for (let node of secondResponse.nodes) {
+ equal(typeof node.shortestPaths, "object",
+ "Should have shortest paths");
+ equal(typeof node.shortestPaths.nodes, "object",
+ "Should have shortest paths' nodes");
+ equal(typeof node.shortestPaths.edges, "object",
+ "Should have shortest paths' edges");
+ }
+
+ client.destroy();
+});