78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <gtest/gtest.h>
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#include <hermes/hermes.h>
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#include <react/bridging/Bridging.h>
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#define EXPECT_JSI_THROW(expr) EXPECT_THROW((expr), facebook::jsi::JSIException)
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namespace facebook::react {
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class TestCallInvoker : public CallInvoker {
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public:
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void invokeAsync(std::function<void()> &&fn) override {
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queue_.push_back(std::move(fn));
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}
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void invokeSync(std::function<void()> &&) override {
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FAIL() << "JSCallInvoker does not support invokeSync()";
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}
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private:
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friend class BridgingTest;
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std::list<std::function<void()>> queue_;
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};
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class BridgingTest : public ::testing::Test {
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protected:
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BridgingTest()
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: invoker(std::make_shared<TestCallInvoker>()),
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runtime(hermes::makeHermesRuntime(
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::hermes::vm::RuntimeConfig::Builder()
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// Make promises work with Hermes microtasks.
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.withMicrotaskQueue(true)
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.build())),
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rt(*runtime) {}
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~BridgingTest() {
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LongLivedObjectCollection::get().clear();
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}
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void TearDown() override {
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flushQueue();
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// After flushing the invoker queue, we shouldn't leak memory.
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EXPECT_EQ(0, LongLivedObjectCollection::get().size());
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}
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jsi::Value eval(const std::string &js) {
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return rt.global().getPropertyAsFunction(rt, "eval").call(rt, js);
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}
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jsi::Function function(const std::string &js) {
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return eval(("(" + js + ")").c_str()).getObject(rt).getFunction(rt);
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}
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void flushQueue() {
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while (!invoker->queue_.empty()) {
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invoker->queue_.front()();
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invoker->queue_.pop_front();
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rt.drainMicrotasks(); // Run microtasks every cycle.
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}
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}
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std::shared_ptr<TestCallInvoker> invoker;
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std::unique_ptr<jsi::Runtime> runtime;
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jsi::Runtime &rt;
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};
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} // namespace facebook::react
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