binding: Makes ExceptionState STACK_ALLOCATED().

third_party/WebKit/Source/modules/cachestorage/CacheTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/cachestorage/Cache.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 240 matching lines @@
         v8::MicrotasksScope::PerformCheckpoint(isolate());
         return onResolve;
     }
 
     std::string getResolveString(ScriptPromise& promise)
     {
         ScriptValue onResolve = getResolveValue(promise);
         return toCoreString(onResolve.v8Value()->ToString(context()).ToLocalChecked()).ascii().data();
     }
 
-    ExceptionState& exceptionState()
-    {
-        return m_exceptionState;
-    }
-
 private:
     // A ScriptFunction that creates a test failure if it is ever called.
     class UnreachableFunction : public ScriptFunction {
     public:
         static v8::Local<v8::Function> create(ScriptState* scriptState)
         {
             UnreachableFunction* self = new UnreachableFunction(scriptState);
             return self->bindToV8Function();
         }
 
@@ skipping 24 matching lines @@
         }
 
     private:
         TestFunction(ScriptState* scriptState, ScriptValue* outValue) : ScriptFunction(scriptState), m_value(outValue) { }
 
         ScriptValue* m_value;
     };
 
     // Lifetime is that of the text fixture.
     std::unique_ptr<DummyPageHolder> m_page;
-
-    NonThrowableExceptionState m_exceptionState;
 };
 
 RequestInfo stringToRequestInfo(const String& value)
 {
     RequestInfo info;
     info.setUSVString(value);
     return info;
 }
 
 RequestInfo requestToRequestInfo(Request* value)
 {
     RequestInfo info;
     info.setRequest(value);
     return info;
 }
 
 TEST_F(CacheStorageTest, Basics)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     ErrorWebCacheForTests* testCache;
     Cache* cache = createCache(fetcher, testCache = new NotImplementedErrorCache());
     ASSERT(cache);
 
     const String url = "http://www.cachetest.org/";
 
     CacheQueryOptions options;
-    ScriptPromise matchPromise = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    ScriptPromise matchPromise = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     EXPECT_EQ(kNotImplementedString, getRejectString(matchPromise));
 
     cache = createCache(fetcher, testCache = new ErrorWebCacheForTests(WebServiceWorkerCacheErrorNotFound));
-    matchPromise = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    matchPromise = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     ScriptValue scriptValue = getResolveValue(matchPromise);
     EXPECT_TRUE(scriptValue.isUndefined());
 
     cache = createCache(fetcher, testCache = new ErrorWebCacheForTests(WebServiceWorkerCacheErrorExists));
-    matchPromise = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    matchPromise = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     EXPECT_EQ("InvalidAccessError: Entry already exists.", getRejectString(matchPromise));
 }
 
 // Tests that arguments are faithfully passed on calls to Cache methods, except for methods which use batch operations,
 // which are tested later.
 TEST_F(CacheStorageTest, BasicArguments)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     ErrorWebCacheForTests* testCache;
     Cache* cache = createCache(fetcher, testCache = new NotImplementedErrorCache());
     ASSERT(cache);
 
     const String url = "http://www.cache.arguments.test/";
     testCache->setExpectedUrl(&url);
 
     WebServiceWorkerCache::QueryParams expectedQueryParams;
     expectedQueryParams.ignoreVary = true;
     expectedQueryParams.cacheName = "this is a cache name";
     testCache->setExpectedQueryParams(&expectedQueryParams);
 
     CacheQueryOptions options;
     options.setIgnoreVary(1);
     options.setCacheName(expectedQueryParams.cacheName);
 
     Request* request = newRequestFromUrl(url);
     ASSERT(request);
-    ScriptPromise matchResult = cache->match(getScriptState(), requestToRequestInfo(request), options, exceptionState());
+    ScriptPromise matchResult = cache->match(getScriptState(), requestToRequestInfo(request), options, exceptionState);
     EXPECT_EQ("dispatchMatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(matchResult));
 
-    ScriptPromise stringMatchResult = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    ScriptPromise stringMatchResult = cache->match(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     EXPECT_EQ("dispatchMatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(stringMatchResult));
 
     request = newRequestFromUrl(url);
     ASSERT(request);
-    ScriptPromise matchAllResult = cache->matchAll(getScriptState(), requestToRequestInfo(request), options, exceptionState());
+    ScriptPromise matchAllResult = cache->matchAll(getScriptState(), requestToRequestInfo(request), options, exceptionState);
     EXPECT_EQ("dispatchMatchAll", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(matchAllResult));
 
-    ScriptPromise stringMatchAllResult = cache->matchAll(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    ScriptPromise stringMatchAllResult = cache->matchAll(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     EXPECT_EQ("dispatchMatchAll", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(stringMatchAllResult));
 
-    ScriptPromise keysResult1 = cache->keys(getScriptState(), exceptionState());
+    ScriptPromise keysResult1 = cache->keys(getScriptState(), exceptionState);
     EXPECT_EQ("dispatchKeys", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(keysResult1));
 
     request = newRequestFromUrl(url);
     ASSERT(request);
-    ScriptPromise keysResult2 = cache->keys(getScriptState(), requestToRequestInfo(request), options, exceptionState());
+    ScriptPromise keysResult2 = cache->keys(getScriptState(), requestToRequestInfo(request), options, exceptionState);
     EXPECT_EQ("dispatchKeys", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(keysResult2));
 
-    ScriptPromise stringKeysResult2 = cache->keys(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    ScriptPromise stringKeysResult2 = cache->keys(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     EXPECT_EQ("dispatchKeys", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(stringKeysResult2));
 }
 
 // Tests that arguments are faithfully passed to API calls that degrade to batch operations.
 TEST_F(CacheStorageTest, BatchOperationArguments)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     ErrorWebCacheForTests* testCache;
     Cache* cache = createCache(fetcher, testCache = new NotImplementedErrorCache());
     ASSERT(cache);
 
     WebServiceWorkerCache::QueryParams expectedQueryParams;
     expectedQueryParams.cacheName = "this is another cache name";
     testCache->setExpectedQueryParams(&expectedQueryParams);
 
     CacheQueryOptions options;
@@ skipping 10 matching lines @@
     WebVector<WebServiceWorkerCache::BatchOperation> expectedDeleteOperations(size_t(1));
     {
         WebServiceWorkerCache::BatchOperation deleteOperation;
         deleteOperation.operationType = WebServiceWorkerCache::OperationTypeDelete;
         request->populateWebServiceWorkerRequest(deleteOperation.request);
         deleteOperation.matchParams = expectedQueryParams;
         expectedDeleteOperations[0] = deleteOperation;
     }
     testCache->setExpectedBatchOperations(&expectedDeleteOperations);
 
-    ScriptPromise deleteResult = cache->deleteFunction(getScriptState(), requestToRequestInfo(request), options, exceptionState());
+    ScriptPromise deleteResult = cache->deleteFunction(getScriptState(), requestToRequestInfo(request), options, exceptionState);
     EXPECT_EQ("dispatchBatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(deleteResult));
 
-    ScriptPromise stringDeleteResult = cache->deleteFunction(getScriptState(), stringToRequestInfo(url), options, exceptionState());
+    ScriptPromise stringDeleteResult = cache->deleteFunction(getScriptState(), stringToRequestInfo(url), options, exceptionState);
     EXPECT_EQ("dispatchBatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(stringDeleteResult));
 
     WebVector<WebServiceWorkerCache::BatchOperation> expectedPutOperations(size_t(1));
     {
         WebServiceWorkerCache::BatchOperation putOperation;
         putOperation.operationType = WebServiceWorkerCache::OperationTypePut;
         request->populateWebServiceWorkerRequest(putOperation.request);
         response->populateWebServiceWorkerResponse(putOperation.response);
         expectedPutOperations[0] = putOperation;
     }
     testCache->setExpectedBatchOperations(&expectedPutOperations);
 
     request = newRequestFromUrl(url);
     ASSERT(request);
-    ScriptPromise putResult = cache->put(getScriptState(), requestToRequestInfo(request), response->clone(getScriptState(), exceptionState()), exceptionState());
+    ScriptPromise putResult = cache->put(getScriptState(), requestToRequestInfo(request), response->clone(getScriptState(), exceptionState), exceptionState);
     EXPECT_EQ("dispatchBatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(putResult));
 
-    ScriptPromise stringPutResult = cache->put(getScriptState(), stringToRequestInfo(url), response, exceptionState());
+    ScriptPromise stringPutResult = cache->put(getScriptState(), stringToRequestInfo(url), response, exceptionState);
     EXPECT_EQ("dispatchBatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
     EXPECT_EQ(kNotImplementedString, getRejectString(stringPutResult));
 
     // FIXME: test add & addAll.
 }
 
 class MatchTestCache : public NotImplementedErrorCache {
 public:
     MatchTestCache(WebServiceWorkerResponse& response)
         : m_response(response) { }
 
     // From WebServiceWorkerCache:
     void dispatchMatch(CacheMatchCallbacks* callbacks, const WebServiceWorkerRequest& webRequest, const QueryParams& queryParams) override
     {
         std::unique_ptr<CacheMatchCallbacks> ownedCallbacks(wrapUnique(callbacks));
         return callbacks->onSuccess(m_response);
     }
 
 private:
     WebServiceWorkerResponse& m_response;
 };
 
 TEST_F(CacheStorageTest, MatchResponseTest)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     const String requestUrl = "http://request.url/";
     const String responseUrl = "http://match.response.test/";
 
     WebServiceWorkerResponse webResponse;
     webResponse.setURL(KURL(ParsedURLString, responseUrl));
     webResponse.setResponseType(WebServiceWorkerResponseTypeDefault);
 
     Cache* cache = createCache(fetcher, new MatchTestCache(webResponse));
     CacheQueryOptions options;
 
-    ScriptPromise result = cache->match(getScriptState(), stringToRequestInfo(requestUrl), options, exceptionState());
+    ScriptPromise result = cache->match(getScriptState(), stringToRequestInfo(requestUrl), options, exceptionState);
     ScriptValue scriptValue = getResolveValue(result);
     Response* response = V8Response::toImplWithTypeCheck(isolate(), scriptValue.v8Value());
     ASSERT_TRUE(response);
     EXPECT_EQ(responseUrl, response->url());
 }
 
 class KeysTestCache : public NotImplementedErrorCache {
 public:
     KeysTestCache(WebVector<WebServiceWorkerRequest>& requests)
         : m_requests(requests) { }
 
     void dispatchKeys(CacheWithRequestsCallbacks* callbacks, const WebServiceWorkerRequest& webRequest, const QueryParams& queryParams) override
     {
         std::unique_ptr<CacheWithRequestsCallbacks> ownedCallbacks(wrapUnique(callbacks));
         return callbacks->onSuccess(m_requests);
     }
 
 private:
     WebVector<WebServiceWorkerRequest>& m_requests;
 };
 
 TEST_F(CacheStorageTest, KeysResponseTest)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     const String url1 = "http://first.request/";
     const String url2 = "http://second.request/";
 
     Vector<String> expectedUrls(size_t(2));
     expectedUrls[0] = url1;
     expectedUrls[1] = url2;
 
     WebVector<WebServiceWorkerRequest> webRequests(size_t(2));
     webRequests[0].setURL(KURL(ParsedURLString, url1));
     webRequests[1].setURL(KURL(ParsedURLString, url2));
 
     Cache* cache = createCache(fetcher, new KeysTestCache(webRequests));
 
-    ScriptPromise result = cache->keys(getScriptState(), exceptionState());
+    ScriptPromise result = cache->keys(getScriptState(), exceptionState);
     ScriptValue scriptValue = getResolveValue(result);
 
-    Vector<v8::Local<v8::Value>> requests = toImplArray<Vector<v8::Local<v8::Value>>>(scriptValue.v8Value(), 0, isolate(), exceptionState());
+    Vector<v8::Local<v8::Value>> requests = toImplArray<Vector<v8::Local<v8::Value>>>(scriptValue.v8Value(), 0, isolate(), exceptionState);
     EXPECT_EQ(expectedUrls.size(), requests.size());
     for (int i = 0, minsize = std::min(expectedUrls.size(), requests.size()); i < minsize; ++i) {
         Request* request = V8Request::toImplWithTypeCheck(isolate(), requests[i]);
         EXPECT_TRUE(request);
         if (request)
             EXPECT_EQ(expectedUrls[i], request->url());
     }
 }
 
 class MatchAllAndBatchTestCache : public NotImplementedErrorCache {
@@ skipping 13 matching lines @@
         return callbacks->onSuccess();
     }
 
 private:
     WebVector<WebServiceWorkerResponse>& m_responses;
 };
 
 TEST_F(CacheStorageTest, MatchAllAndBatchResponseTest)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     const String url1 = "http://first.response/";
     const String url2 = "http://second.response/";
 
     Vector<String> expectedUrls(size_t(2));
     expectedUrls[0] = url1;
     expectedUrls[1] = url2;
 
     WebVector<WebServiceWorkerResponse> webResponses(size_t(2));
     webResponses[0].setURL(KURL(ParsedURLString, url1));
     webResponses[0].setResponseType(WebServiceWorkerResponseTypeDefault);
     webResponses[1].setURL(KURL(ParsedURLString, url2));
     webResponses[1].setResponseType(WebServiceWorkerResponseTypeDefault);
 
     Cache* cache = createCache(fetcher, new MatchAllAndBatchTestCache(webResponses));
 
     CacheQueryOptions options;
-    ScriptPromise result = cache->matchAll(getScriptState(), stringToRequestInfo("http://some.url/"), options, exceptionState());
+    ScriptPromise result = cache->matchAll(getScriptState(), stringToRequestInfo("http://some.url/"), options, exceptionState);
     ScriptValue scriptValue = getResolveValue(result);
 
-    Vector<v8::Local<v8::Value>> responses = toImplArray<Vector<v8::Local<v8::Value>>>(scriptValue.v8Value(), 0, isolate(), exceptionState());
+    Vector<v8::Local<v8::Value>> responses = toImplArray<Vector<v8::Local<v8::Value>>>(scriptValue.v8Value(), 0, isolate(), exceptionState);
     EXPECT_EQ(expectedUrls.size(), responses.size());
     for (int i = 0, minsize = std::min(expectedUrls.size(), responses.size()); i < minsize; ++i) {
         Response* response = V8Response::toImplWithTypeCheck(isolate(), responses[i]);
         EXPECT_TRUE(response);
         if (response)
             EXPECT_EQ(expectedUrls[i], response->url());
     }
 
-    result = cache->deleteFunction(getScriptState(), stringToRequestInfo("http://some.url/"), options, exceptionState());
+    result = cache->deleteFunction(getScriptState(), stringToRequestInfo("http://some.url/"), options, exceptionState);
     scriptValue = getResolveValue(result);
     EXPECT_TRUE(scriptValue.v8Value()->IsBoolean());
     EXPECT_EQ(true, scriptValue.v8Value().As<v8::Boolean>()->Value());
 }
 
 TEST_F(CacheStorageTest, Add)
 {
     ScriptState::Scope scope(getScriptState());
+    NonThrowableExceptionState exceptionState;
     ScopedFetcherForTests* fetcher = ScopedFetcherForTests::create();
     const String url = "http://www.cacheadd.test/";
     const String contentType = "text/plain";
     const String content = "hello cache";
 
     ErrorWebCacheForTests* testCache;
     Cache* cache = createCache(fetcher, testCache = new NotImplementedErrorCache());
 
     fetcher->setExpectedFetchUrl(&url);
 
     Request* request = newRequestFromUrl(url);
-    Response* response = Response::create(getScriptState(), new BodyStreamBuffer(getScriptState(), FetchFormDataConsumerHandle::create(content)), contentType, ResponseInit(), exceptionState());
+    Response* response = Response::create(getScriptState(), new BodyStreamBuffer(getScriptState(), FetchFormDataConsumerHandle::create(content)), contentType, ResponseInit(), exceptionState);
     fetcher->setResponse(response);
 
     WebVector<WebServiceWorkerCache::BatchOperation> expectedPutOperations(size_t(1));
     {
         WebServiceWorkerCache::BatchOperation putOperation;
         putOperation.operationType = WebServiceWorkerCache::OperationTypePut;
         request->populateWebServiceWorkerRequest(putOperation.request);
         response->populateWebServiceWorkerResponse(putOperation.response);
         expectedPutOperations[0] = putOperation;
     }
     testCache->setExpectedBatchOperations(&expectedPutOperations);
 
-    ScriptPromise addResult = cache->add(getScriptState(), requestToRequestInfo(request), exceptionState());
+    ScriptPromise addResult = cache->add(getScriptState(), requestToRequestInfo(request), exceptionState);
 
     EXPECT_EQ(kNotImplementedString, getRejectString(addResult));
     EXPECT_EQ(1, fetcher->fetchCount());
     EXPECT_EQ("dispatchBatch", testCache->getAndClearLastErrorWebCacheMethodCalled());
 }
 
 } // namespace
+
 } // namespace blink