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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/browser_window/internal/android/android_base_window.h"
#include <jni.h>
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/browser_window/test/native_unit_test_support_jni/AndroidBaseWindowNativeUnitTestSupport_jni.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
using base::android::AttachCurrentThread;
using base::android::ScopedJavaGlobalRef;
} // namespace
class AndroidBaseWindowUnitTest : public testing::Test {
public:
AndroidBaseWindowUnitTest() = default;
~AndroidBaseWindowUnitTest() override = default;
void SetUp() override {
java_test_support_ =
Java_AndroidBaseWindowNativeUnitTestSupport_Constructor(
AttachCurrentThread());
}
void TearDown() override { InvokeJavaDestroy(); }
AndroidBaseWindow* InvokeJavaGetOrCreateNativePtr() const {
return reinterpret_cast<AndroidBaseWindow*>(
Java_AndroidBaseWindowNativeUnitTestSupport_invokeGetOrCreateNativePtr(
AttachCurrentThread(), java_test_support_));
}
AndroidBaseWindow* InvokeJavaGetNativePtrForTesting() const {
return reinterpret_cast<AndroidBaseWindow*>(
Java_AndroidBaseWindowNativeUnitTestSupport_invokeGetNativePtrForTesting(
AttachCurrentThread(), java_test_support_));
}
void InvokeJavaDestroy() const {
Java_AndroidBaseWindowNativeUnitTestSupport_invokeDestroy(
AttachCurrentThread(), java_test_support_);
}
private:
ScopedJavaGlobalRef<jobject> java_test_support_;
};
TEST_F(AndroidBaseWindowUnitTest,
JavaGetOrCreateNativePtrMethodReturnsSamePtr) {
// Arrange & Act: call Java GetOrCreateNativePtr() twice.
AndroidBaseWindow* ptr1 = InvokeJavaGetOrCreateNativePtr();
AndroidBaseWindow* ptr2 = InvokeJavaGetOrCreateNativePtr();
// Assert: the two calls should return the same non-null pointer.
EXPECT_NE(nullptr, ptr1);
EXPECT_NE(nullptr, ptr2);
EXPECT_EQ(ptr1, ptr2);
}
TEST_F(AndroidBaseWindowUnitTest, JavaDestroyMethodClearsPtrValueInJava) {
// Arrange.
InvokeJavaGetOrCreateNativePtr();
// Act: call Java destroy().
InvokeJavaDestroy();
// Assert: the native pointer on the Java side should be set to null.
AndroidBaseWindow* android_base_window = InvokeJavaGetNativePtrForTesting();
EXPECT_EQ(nullptr, android_base_window);
}
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