react-native/ReactCommon/fabric/core/tests/PrimitivesTest.cpp

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <exception>
#include <fabric/core/Sealable.h>
#include <gtest/gtest.h>
using namespace facebook::react;
TEST(SealableTest, sealObjectCorrectly) {
Sealable obj;
ASSERT_FALSE(obj.getSealed());
obj.seal();
ASSERT_TRUE(obj.getSealed());
}
TEST(SealableTest, handleAssignmentsCorrectly) {
Sealable obj;
Sealable other;
EXPECT_NO_THROW(obj = other);
// Assignment after getting sealed is not allowed.
obj.seal();
Sealable other2;
EXPECT_THROW(obj = other2, std::runtime_error);
// It doesn't matter if the other object is also sealed, it's still not allowed.
other2.seal();
EXPECT_THROW(obj = other2, std::runtime_error);
// Fresh creation off other Sealable is still unsealed.
Sealable other3(obj);
ASSERT_FALSE(other3.getSealed());
}