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-rwxr-xr-xcheck.py10
1 files changed, 9 insertions, 1 deletions
diff --git a/check.py b/check.py
index 272e1394c..744042393 100755
--- a/check.py
+++ b/check.py
@@ -568,8 +568,9 @@ if has_emcc:
print '\n[ checking wasm.js methods... ]\n'
- for method in [None, 'asm2wasm', 'wasm-s-parser', 'just-asm']:
+ for method_init in [None, 'asm2wasm', 'wasm-s-parser', 'just-asm']:
for success in [1, 0]:
+ method = method_init
command = ['emcc', '-o', 'a.wasm.js', '-s', 'BINARYEN=1', os.path.join('test', 'hello_world.c') ]
if method:
command += ['-s', 'BINARYEN_METHOD="' + method + '"']
@@ -577,6 +578,13 @@ if has_emcc:
method = 'wasm-s-parser' # this is the default
print method, ' : ', ' '.join(command), ' => ', success
subprocess.check_call(command)
+
+ see_polyfill = 'var WasmJS = ' in open('a.wasm.js').read()
+ if method and 'asm2wasm' not in method and 'wasm-s-parser' not in method:
+ assert not see_polyfill, 'verify polyfill was not added - we specified a method, and it does not need it'
+ else:
+ assert see_polyfill, 'we need the polyfill'
+
def break_cashew():
asm = open('a.wasm.asm.js').read()
asm = asm.replace('"almost asm"', '"use asm"; var not_in_asm = [].length + (true || { x: 5 }.x);')