diff options
Diffstat (limited to 'test/unit/test_web_limitations.py')
| -rw-r--r-- | test/unit/test_web_limitations.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/unit/test_web_limitations.py b/test/unit/test_web_limitations.py index 6359390f9..921e02e95 100644 --- a/test/unit/test_web_limitations.py +++ b/test/unit/test_web_limitations.py @@ -20,3 +20,19 @@ class WebLimitations(utils.BinaryenTestCase): input=module, capture_output=True) self.assertIn('Some VMs may not accept this binary because it has a large number of parameters in function foo.', p.stderr) + + def test_many_locals(self): + """Test that we warn on large numbers of locals, which Web VMs + disallow.""" + + params = '(local i32) ' * 50_001 + module = ''' + (module + (func $foo %s + ) + ) + ''' % params + p = shared.run_process(shared.WASM_OPT + ['-o', os.devnull], + input=module, capture_output=True) + self.assertIn('Some VMs may not accept this binary because it has a large number of locals in function foo.', + p.stderr) |