Bug 304548 – [WebDriver][BiDi] script test_exception_details are asserting on the callback result

• Status: NEW
• Component: WebDriver

[Lauro Moura]

imported/w3c/webdriver/tests/bidi/script/evaluate/exception_details_await_promise.py

Test cases:

test_exception_details_await_promise[undefined-expected0]
test_exception_details_await_promise[null-expected1]
test_exception_details_await_promise[NaN-expected4]
test_exception_details_await_promise[-0-expected5]
test_exception_details_await_promise[Infinity-expected6]
test_exception_details_await_promise[-Infinity-expected7]
test_exception_details_await_promise[3-expected8]
test_exception_details_await_promise[1.4-expected9]
test_exception_details_await_promise[true-expected10]
test_exception_details_await_promise[false-expected11]
test_exception_details_await_promise[42n-expected12]
test_exception_details_await_promise[(Symbol('foo'))-expected13]

Assertion:

webkitpy.webdriver_tests.webdriver_w3c_executor: [DEBUG] (WPEWebDriver:971273): ASSERTION FAILED: JSValueIsObject(context, arguments[2]) || JSValueIsString(context, arguments[2])
webkitpy.webdriver_tests.webdriver_w3c_executor: [DEBUG] (WPEWebDriver:971273): ../../../Source/WebKit/WebProcess/Automation/WebAutomationSessionProxy.cpp(219) : const OpaqueJSValue* WebKit::evaluateJavaScriptCallback(JSContextRef, JSObjectRef, JSObjectRef, size_t, const OpaqueJSValue* const*, const OpaqueJSValu
e**)                                                                                                                                                                                                                                                                                                                     
webkitpy.webdriver_tests.webdriver_w3c_executor: [DEBUG] (WPEWebDriver:971273): 1   0x797ab8788914 WebKit::evaluateJavaScriptCallback(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**)                                                         
webkitpy.webdriver_tests.webdriver_w3c_executor: [DEBUG] (WPEWebDriver:971273): 2   0x797ab8c314b5 long JSC::APICallbackFunction::callImpl<JSC::JSCallbackFunction>(JSC::JSGlobalObject*, JSC::CallFrame*)
webkitpy.webdriver_tests.webdriver_w3c_executor: [DEBUG] (WPEWebDriver:971273): 3   0x797a5ec0c327 ???

In this case, the value received from JS is `undefined`.

Could not detect yet when this was introduced. Maybe it's related to the serialization algorithm (bug282977).

[Lauro Moura]

Also affecting script.call_function, for:

test_exception_details[undefined-expected0]
test_exception_details[null-expected1]"
test_exception_details[NaN-expected4]
test_exception_details[-0-expected5]
test_exception_details[Infinity-expected6]
test_exception_details[-Infinity-expected7]
test_exception_details[3-expected8]
test_exception_details[1.4-expected9]
test_exception_details[true-expected10]
test_exception_details[false-expected11]
test_exception_details[42n-expected12]
test_exception_details[(Symbol('foo'))-expected13]

[Lauro Moura]

Pull request: https://github.com/WebKit/WebKit/pull/55752

[EWS]

Test gardening commit 304823@main (6bf20d103daf): <https://commits.webkit.org/304823@main>

Reviewed commits have been landed. Closing PR #55752 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/167235256>