diff options
Diffstat (limited to 'devtools/server/tests/xpcshell/test_MemoryActor_saveHeapSnapshot_03.js')
-rw-r--r-- | devtools/server/tests/xpcshell/test_MemoryActor_saveHeapSnapshot_03.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_MemoryActor_saveHeapSnapshot_03.js b/devtools/server/tests/xpcshell/test_MemoryActor_saveHeapSnapshot_03.js new file mode 100644 index 0000000000..b212abbced --- /dev/null +++ b/devtools/server/tests/xpcshell/test_MemoryActor_saveHeapSnapshot_03.js @@ -0,0 +1,22 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +// Test that we can save full runtime heap snapshots when attached to the +// ParentProcessTargetActor or a ContentProcessTargetActor. + +add_task(async () => { + const { memoryFront } = await createMainProcessMemoryFront(); + + const snapshotFilePath = await memoryFront.saveHeapSnapshot(); + ok( + !!(await IOUtils.stat(snapshotFilePath)), + "Should have the heap snapshot file" + ); + const snapshot = ChromeUtils.readHeapSnapshot(snapshotFilePath); + ok( + HeapSnapshot.isInstance(snapshot), + "And we should be able to read a HeapSnapshot instance from the file" + ); +}); |