diff options
Diffstat (limited to 'test/unit/test_cluster_fuzz.py')
| -rw-r--r-- | test/unit/test_cluster_fuzz.py | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/test/unit/test_cluster_fuzz.py b/test/unit/test_cluster_fuzz.py index 56250d46a..8f1d18104 100644 --- a/test/unit/test_cluster_fuzz.py +++ b/test/unit/test_cluster_fuzz.py @@ -274,10 +274,11 @@ class ClusterFuzz(utils.BinaryenTestCase): print() # To check for interesting JS file contents, we'll note how many times - # we build and run the wasm. + # we build and run the wasm, and other things like JSPI. seen_builds = [] seen_calls = [] seen_second_builds = [] + seen_JSPIs = [] for i in range(1, N + 1): fuzz_file = os.path.join(temp_dir.name, f'fuzz-binaryen-{i}.js') @@ -287,6 +288,17 @@ class ClusterFuzz(utils.BinaryenTestCase): seen_calls.append(js.count('callExports();')) seen_second_builds.append(js.count('build(secondBinary);')) + # If JSPI is enabled, the async and await keywords should be + # enabled (uncommented). + if 'JSPI = 1' in js: + seen_JSPIs.append(1) + assert '/* async */' not in js + assert '/* await */' not in js + else: + seen_JSPIs.append(0) + assert '/* async */' in js + assert '/* await */' in js + # There is always one build and one call (those are in the default # fuzz_shell.js), and we add a couple of operations, each with equal # probability to be a build or a call, so over the 100 testcases here we @@ -323,6 +335,14 @@ class ClusterFuzz(utils.BinaryenTestCase): print() + # JSPI is done 1/4 of the time or so. + print('JSPIs are distributed as ~ mean 0.25') + print(f'mean JSPIs: {statistics.mean(seen_JSPIs)}') + self.assertEqual(min(seen_JSPIs), 0) + self.assertEqual(max(seen_JSPIs), 1) + + print() + # "zzz" in test name so that this runs last. If it runs first, it can be # confusing as it appears next to the logging of which bundle we use (see # setUpClass). |