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Fix #8: Web playground is not working #9

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Fix #8: Web playground is not working #9

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2 changes: 1 addition & 1 deletion playground/chaiscript.js
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57 changes: 57 additions & 0 deletions test_playground.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,63 @@ assert_file_contains "playground.html" "header.html"
# 3. Navigation includes playground link
assert_file_contains "_includes/header.html" "playground"

# 4. WASM build includes C++ exception support (issue #8)
# Without -sDISABLE_EXCEPTION_CATCHING=0, any C++ exception (including those
# used internally by ChaiScript during function definition) calls abort().
assert_file_contains "playground/chaiscript.js" "___cxa_begin_catch"
assert_file_contains "playground/chaiscript.js" "___cxa_end_catch"

# Verify ___cxa_throw throws instead of calling abort()
CXA_THROW_BODY=$(grep -oP '___cxa_throw=\(ptr,type,destructor\)=>\{[^}]+\}' "$REPO_ROOT/playground/chaiscript.js" 2>/dev/null)
if echo "$CXA_THROW_BODY" | grep -q 'abort()'; then
echo "FAIL: playground/chaiscript.js ___cxa_throw calls abort() — missing exception support"
FAIL=1
elif echo "$CXA_THROW_BODY" | grep -q 'throw'; then
echo "PASS: playground/chaiscript.js ___cxa_throw throws instead of aborting"
else
echo "FAIL: playground/chaiscript.js could not find ___cxa_throw definition"
FAIL=1
fi

# 5. WASM eval works with function definitions (issue #8 regression)
if command -v node >/dev/null 2>&1; then
NODE_OUTPUT=$(cd "$REPO_ROOT/playground" && node -e "
global.__filename = process.cwd() + '/chaiscript.js';
global.__dirname = process.cwd();
global.Module = {
print: function() {},
printErr: function() {},
onRuntimeInitialized: function() {
try {
Module.eval('def greet(name) { return \"Hello, \" + name + \"!\" }');
var r = Module.evalString('greet(\"World\")');
if (r === 'Hello, World!') {
process.stdout.write('FUNC_DEF_OK');
} else {
process.stdout.write('WRONG_RESULT:' + r);
}
} catch(e) {
process.stdout.write('ERROR:' + (e.message || e));
}
process.exit(0);
},
onAbort: function() { process.stdout.write('ABORTED'); process.exit(0); }
};
var vm = require('vm');
var fs = require('fs');
vm.runInThisContext(fs.readFileSync('./chaiscript.js', 'utf8'));
setTimeout(function(){ process.stdout.write('TIMEOUT'); process.exit(0); }, 30000);
" 2>/dev/null)
if [ "$NODE_OUTPUT" = "FUNC_DEF_OK" ]; then
echo "PASS: WASM eval handles function definitions"
else
echo "FAIL: WASM eval with function definition returned: $NODE_OUTPUT"
FAIL=1
fi
else
echo "SKIP: node not available for WASM eval test"
fi

if [ "$FAIL" -ne 0 ]; then
echo ""
echo "RESULT: SOME TESTS FAILED"
Expand Down