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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_browser_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/internal/android/android_base_window.h"
#include "chrome/browser/ui/browser_window/test/native_unit_test_support_jni/AndroidBrowserWindowNativeUnitTestSupport_jni.h"
#include "components/sessions/core/session_id.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/base_window.h"
namespace {
using base::android::AttachCurrentThread;
using base::android::ScopedJavaGlobalRef;
using base::android::ScopedJavaLocalRef;
} // namespace
class AndroidBrowserWindowUnitTest : public testing::Test {
public:
AndroidBrowserWindowUnitTest() = default;
~AndroidBrowserWindowUnitTest() override = default;
void SetUp() override {
java_test_support_ =
Java_AndroidBrowserWindowNativeUnitTestSupport_Constructor(
AttachCurrentThread());
}
void TearDown() override { InvokeJavaDestroy(); }
AndroidBrowserWindow* InvokeJavaGetOrCreateNativePtr() const {
return reinterpret_cast<AndroidBrowserWindow*>(
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeGetOrCreateNativePtr(
AttachCurrentThread(), java_test_support_));
}
AndroidBaseWindow* InvokeJavaGetOrCreateNativeBaseWindowPtr() const {
return reinterpret_cast<AndroidBaseWindow*>(
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeGetOrCreateNativeBaseWindowPtr(
AttachCurrentThread(), java_test_support_));
}
AndroidBrowserWindow* InvokeJavaGetNativePtrForTesting() const {
return reinterpret_cast<AndroidBrowserWindow*>(
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeGetNativePtrForTesting(
AttachCurrentThread(), java_test_support_));
}
AndroidBaseWindow* InvokeJavaGetNativeBaseWindowPtrForTesting() const {
return reinterpret_cast<AndroidBaseWindow*>(
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeGetNativeBaseWindowPtrForTesting(
AttachCurrentThread(), java_test_support_));
}
void InvokeJavaDestroy() const {
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeDestroy(
AttachCurrentThread(), java_test_support_);
}
private:
ScopedJavaGlobalRef<jobject> java_test_support_;
};
TEST_F(AndroidBrowserWindowUnitTest,
JavaGetOrCreateNativePtrMethodReturnsSamePtr) {
// Arrange & Act: call Java GetOrCreateNativePtr() twice.
AndroidBrowserWindow* ptr1 = InvokeJavaGetOrCreateNativePtr();
AndroidBrowserWindow* 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(AndroidBrowserWindowUnitTest,
JavaDestroyMethodClearsBrowserWindowAndBaseWindowPtrValuesInJava) {
// Arrange.
InvokeJavaGetOrCreateNativePtr();
InvokeJavaGetOrCreateNativeBaseWindowPtr();
// Act: call Java destroy().
InvokeJavaDestroy();
// Assert: the native pointers on the Java side should be set to null.
AndroidBrowserWindow* android_browser_window =
InvokeJavaGetNativePtrForTesting();
AndroidBaseWindow* android_base_window =
InvokeJavaGetNativeBaseWindowPtrForTesting();
EXPECT_EQ(nullptr, android_browser_window);
EXPECT_EQ(nullptr, android_base_window);
}
TEST_F(AndroidBrowserWindowUnitTest, GetWindowReturnsAndroidBaseWindow) {
// Arrange.
AndroidBrowserWindow* android_browser_window =
InvokeJavaGetOrCreateNativePtr();
// Act.
ui::BaseWindow* base_window = android_browser_window->GetWindow();
// Assert.
AndroidBaseWindow* expected_base_window =
InvokeJavaGetNativeBaseWindowPtrForTesting();
EXPECT_EQ(expected_base_window, base_window);
}
TEST_F(AndroidBrowserWindowUnitTest, GetSessionIDReturnsUniqueID) {
// Arrange: create two AndroidBrowserWindow objects.
//
// As each Java AndroidBrowserWindowNativeUnitTestSupport owns one native
// AndroidBrowserWindow object, we need to create two Java test support
// objects to get two instances of AndroidBrowserWindow.
//
// For clarity, we don't use the test fixture's java_test_support_ field.
ScopedJavaLocalRef<jobject> java_test_support1 =
Java_AndroidBrowserWindowNativeUnitTestSupport_Constructor(
AttachCurrentThread());
ScopedJavaLocalRef<jobject> java_test_support2 =
Java_AndroidBrowserWindowNativeUnitTestSupport_Constructor(
AttachCurrentThread());
AndroidBrowserWindow* android_browser_window1 = reinterpret_cast<
AndroidBrowserWindow*>(
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeGetOrCreateNativePtr(
AttachCurrentThread(), java_test_support1));
AndroidBrowserWindow* android_browser_window2 = reinterpret_cast<
AndroidBrowserWindow*>(
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeGetOrCreateNativePtr(
AttachCurrentThread(), java_test_support2));
const SessionID& session_id1 = android_browser_window1->GetSessionID();
const SessionID& session_id2 = android_browser_window2->GetSessionID();
EXPECT_NE(session_id1, session_id2);
// Clean up.
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeDestroy(
AttachCurrentThread(), java_test_support1);
Java_AndroidBrowserWindowNativeUnitTestSupport_invokeDestroy(
AttachCurrentThread(), java_test_support2);
}
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