qt 6.5.1 original

tests/auto/corelib/kernel/qjnienvironment/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qjnienvironment Test:
+#####################################################################
+
+qt_internal_add_test(tst_qjnienvironment
+    SOURCES
+        tst_qjnienvironment.cpp
+)
+
+if(ANDROID)
+    set_property(TARGET tst_qjnienvironment APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
+        ${CMAKE_CURRENT_SOURCE_DIR}/testdata
+    )
+endif()

tests/auto/corelib/kernel/qjnienvironment/testdata/src/org/qtproject/qt/android/testdata/QtJniEnvironmentTestClass.java

@@ -0,0 +1,60 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+package org.qtproject.qt.android.testdatapackage;
+
+public class QtJniEnvironmentTestClass
+{
+    private static native void callbackFromJava(String message);
+    private static native void namedCallbackFromJava(String message);
+    private static native void memberCallbackFromJava(String message);
+    private static native void namedMemberCallbackFromJava(String message);
+    private static native void namespaceCallbackFromJava(String message);
+    private static native void intCallbackFromJava(int value);
+
+    public final int INT_FIELD = 123;
+    public static final int S_INT_FIELD = 321;
+
+    QtJniEnvironmentTestClass() {}
+
+    public static void appendJavaToString(String message)
+    {
+        callbackFromJava("From Java: " + message);
+    }
+
+    public static void namedAppendJavaToString(String message)
+    {
+        namedCallbackFromJava("From Java (named): " + message);
+    }
+
+    public static void memberAppendJavaToString(String message)
+    {
+        memberCallbackFromJava("From Java (member): " + message);
+    }
+
+    public static void namedMemberAppendJavaToString(String message)
+    {
+        namedMemberCallbackFromJava("From Java (named member): " + message);
+    }
+
+    public static void namespaceAppendJavaToString(String message)
+    {
+        namespaceCallbackFromJava("From Java (namespace): " + message);
+    }
+
+    public static void convertToInt(String message)
+    {
+        intCallbackFromJava(Integer.parseInt(message));
+    }
+}
+
+class QtJniEnvironmentTestClassNoCtor
+{
+    private static native void callbackFromJavaNoCtor(String message);
+
+    public static void appendJavaToString(String message)
+    {
+        callbackFromJavaNoCtor("From Java (no ctor): " + message);
+    }
+}
+

tests/auto/corelib/kernel/qjnienvironment/tst_qjnienvironment.cpp

@@ -0,0 +1,362 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <jni.h>
+
+#include <QtCore/QJniEnvironment>
+#include <QtCore/QJniObject>
+#include <QtTest/QtTest>
+
+static const char javaTestClass[] =
+        "org/qtproject/qt/android/testdatapackage/QtJniEnvironmentTestClass";
+static const char javaTestClassNoCtor[] =
+        "org/qtproject/qt/android/testdatapackage/QtJniEnvironmentTestClassNoCtor";
+
+static QString registerNativesString = QStringLiteral("Qt");
+static int registerNativeInteger = 0;
+
+class tst_QJniEnvironment : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void jniEnv();
+    void javaVM();
+    void registerNativeMethods();
+    void registerNativeMethodsByJclass();
+    void findMethod();
+    void findStaticMethod();
+    void findField();
+    void findStaticField();
+};
+
+void tst_QJniEnvironment::jniEnv()
+{
+    QJniEnvironment env;
+    JavaVM *javaVM = env.javaVM();
+    QVERIFY(javaVM);
+
+    {
+        // JNI environment should now be attached to the current thread
+        JNIEnv *jni = 0;
+        QCOMPARE(javaVM->GetEnv((void**)&jni, JNI_VERSION_1_6), JNI_OK);
+
+        JNIEnv *e = env.jniEnv();
+        QVERIFY(e);
+
+        QCOMPARE(env->GetVersion(), JNI_VERSION_1_6);
+
+        // try to find an existing class
+        QVERIFY(env->FindClass("java/lang/Object"));
+        QVERIFY(!env->ExceptionCheck());
+
+        // try to find a nonexistent class
+        QVERIFY(!env->FindClass("this/doesnt/Exist"));
+        QVERIFY(env->ExceptionCheck());
+        env->ExceptionClear();
+
+        QVERIFY(env->FindClass("java/lang/Object"));
+        QVERIFY(!QJniEnvironment::checkAndClearExceptions(env.jniEnv()));
+
+        // try to find a nonexistent class
+        QVERIFY(!env->FindClass("this/doesnt/Exist"));
+        QVERIFY(QJniEnvironment::checkAndClearExceptions(env.jniEnv()));
+
+        // try to find an existing class with QJniEnvironment
+        QJniEnvironment env;
+        QVERIFY(env.findClass("java/lang/Object"));
+        QVERIFY(env.findClass<jstring>());
+
+        // try to find a nonexistent class
+        QVERIFY(!env.findClass("this/doesnt/Exist"));
+
+        // clear exception with member function
+        QVERIFY(!env->FindClass("this/doesnt/Exist"));
+        QVERIFY(env.checkAndClearExceptions());
+    }
+
+    // The env does not detach automatically, even if it goes out of scope. The only way it can
+    // be detached is if it's done explicitly, or if the thread we attached to gets killed (TLS clean-up).
+    JNIEnv *jni = nullptr;
+    QCOMPARE(javaVM->GetEnv((void**)&jni, JNI_VERSION_1_6), JNI_OK);
+}
+
+void tst_QJniEnvironment::javaVM()
+{
+    QJniEnvironment env;
+    JavaVM *javaVM = env.javaVM();
+    QVERIFY(javaVM);
+
+    QCOMPARE(env.javaVM(), javaVM);
+
+    JavaVM *vm = 0;
+    QCOMPARE(env->GetJavaVM(&vm), JNI_OK);
+    QCOMPARE(env.javaVM(), vm);
+}
+
+static void callbackFromJava(JNIEnv *env, jobject /*thiz*/, jstring value)
+{
+    Q_UNUSED(env)
+    registerNativesString = QJniObject(value).toString();
+}
+Q_DECLARE_JNI_NATIVE_METHOD(callbackFromJava);
+
+static void tediouslyLongNamed_callbackFromJava(JNIEnv *env, jobject /*thiz*/, jstring value)
+{
+    Q_UNUSED(env)
+    registerNativesString = QJniObject(value).toString();
+}
+Q_DECLARE_JNI_NATIVE_METHOD(tediouslyLongNamed_callbackFromJava, namedCallbackFromJava)
+
+static void callbackFromJavaNoCtor(JNIEnv *env, jobject /*thiz*/, jstring value)
+{
+    Q_UNUSED(env)
+    registerNativesString = QJniObject(value).toString();
+}
+Q_DECLARE_JNI_NATIVE_METHOD(callbackFromJavaNoCtor);
+
+class CallbackClass {
+public:
+    static void memberCallbackFromJava(JNIEnv *env, jobject /*thiz*/, jstring value)
+    {
+        Q_UNUSED(env)
+        registerNativesString = QJniObject(value).toString();
+    }
+    Q_DECLARE_JNI_NATIVE_METHOD_IN_CURRENT_SCOPE(memberCallbackFromJava)
+
+    static void tediouslyLongNamed_memberCallbackFromJava(JNIEnv *env, jobject /*thiz*/,
+                                                          jstring value)
+    {
+        Q_UNUSED(env)
+        registerNativesString = QJniObject(value).toString();
+    }
+    Q_DECLARE_JNI_NATIVE_METHOD_IN_CURRENT_SCOPE(tediouslyLongNamed_memberCallbackFromJava,
+                                                 namedMemberCallbackFromJava)
+};
+
+namespace CallbackNamespace {
+    static void namespaceCallbackFromJava(JNIEnv *env, jobject /*thiz*/, jstring value)
+    {
+        Q_UNUSED(env)
+        registerNativesString = QJniObject(value).toString();
+    }
+    Q_DECLARE_JNI_NATIVE_METHOD_IN_CURRENT_SCOPE(namespaceCallbackFromJava)
+}
+
+void tst_QJniEnvironment::registerNativeMethods()
+{
+    QJniObject QtString = QJniObject::fromString(registerNativesString);
+    QJniEnvironment env;
+
+    {
+        QVERIFY(env.registerNativeMethods(javaTestClass, {
+            Q_JNI_NATIVE_METHOD(callbackFromJava)
+        }));
+
+        QJniObject::callStaticMethod<void>(javaTestClass,
+                                           "appendJavaToString",
+                                           "(Ljava/lang/String;)V",
+                                            QtString.object<jstring>());
+        QTest::qWait(200);
+        QVERIFY(registerNativesString == QStringLiteral("From Java: Qt"));
+    }
+
+    // Named native function
+    {
+        QVERIFY(env.registerNativeMethods(javaTestClass, {
+            Q_JNI_NATIVE_METHOD(tediouslyLongNamed_callbackFromJava)
+        }));
+
+        QJniObject::callStaticMethod<void>(javaTestClass,
+                                           "namedAppendJavaToString",
+                                           "(Ljava/lang/String;)V",
+                                            QtString.object<jstring>());
+        QTest::qWait(200);
+        QVERIFY(registerNativesString == QStringLiteral("From Java (named): Qt"));
+    }
+
+    // Static class member as callback
+    {
+        QVERIFY(env.registerNativeMethods(javaTestClass, {
+            Q_JNI_NATIVE_SCOPED_METHOD(memberCallbackFromJava, CallbackClass)
+        }));
+
+        QJniObject::callStaticMethod<void>(javaTestClass,
+                                           "memberAppendJavaToString",
+                                           "(Ljava/lang/String;)V",
+                                            QtString.object<jstring>());
+        QTest::qWait(200);
+        QVERIFY(registerNativesString == QStringLiteral("From Java (member): Qt"));
+    }
+
+    // Static named class member as callback
+    {
+        QVERIFY(env.registerNativeMethods(javaTestClass, {
+            Q_JNI_NATIVE_SCOPED_METHOD(tediouslyLongNamed_memberCallbackFromJava,
+                                       CallbackClass)
+        }));
+
+        QJniObject::callStaticMethod<void>(javaTestClass,
+                                           "namedMemberAppendJavaToString",
+                                           "(Ljava/lang/String;)V",
+                                            QtString.object<jstring>());
+        QTest::qWait(200);
+        QVERIFY(registerNativesString == QStringLiteral("From Java (named member): Qt"));
+    }
+
+    // Function generally just in namespace as callback
+    {
+        QVERIFY(env.registerNativeMethods(javaTestClass, {
+            Q_JNI_NATIVE_SCOPED_METHOD(namespaceCallbackFromJava, CallbackNamespace)
+        }));
+
+        QJniObject::callStaticMethod<void>(javaTestClass,
+                                           "namespaceAppendJavaToString",
+                                           "(Ljava/lang/String;)V",
+                                            QtString.object<jstring>());
+        QTest::qWait(200);
+        QVERIFY(registerNativesString == QStringLiteral("From Java (namespace): Qt"));
+    }
+
+    // No default constructor in class
+    {
+        QVERIFY(env.registerNativeMethods(javaTestClassNoCtor, {
+            Q_JNI_NATIVE_METHOD(callbackFromJavaNoCtor)
+        }));
+
+        QJniObject::callStaticMethod<void>(javaTestClassNoCtor,
+                                           "appendJavaToString",
+                                           "(Ljava/lang/String;)V",
+                                            QtString.object<jstring>());
+        QTest::qWait(200);
+        QVERIFY(registerNativesString == QStringLiteral("From Java (no ctor): Qt"));
+    }
+}
+
+static void intCallbackFromJava(JNIEnv *env, jobject /*thiz*/, jint value)
+{
+    Q_UNUSED(env)
+    registerNativeInteger = static_cast<int>(value);
+}
+Q_DECLARE_JNI_NATIVE_METHOD(intCallbackFromJava);
+
+void tst_QJniEnvironment::registerNativeMethodsByJclass()
+{
+    QJniEnvironment env;
+    jclass clazz = env.findClass(javaTestClass);
+    QVERIFY(clazz != 0);
+    QVERIFY(env.registerNativeMethods(clazz, {
+        Q_JNI_NATIVE_METHOD(intCallbackFromJava)
+    }));
+
+    QCOMPARE(registerNativeInteger, 0);
+
+    QJniObject parameter = QJniObject::fromString(QString("123"));
+    QJniObject::callStaticMethod<void>(clazz, "convertToInt", "(Ljava/lang/String;)V",
+                                       parameter.object<jstring>());
+    QTest::qWait(200);
+    QCOMPARE(registerNativeInteger, 123);
+}
+
+void tst_QJniEnvironment::findMethod()
+{
+    QJniEnvironment env;
+    jclass clazz = env.findClass("java/lang/Integer");
+    QVERIFY(clazz != nullptr);
+
+    // existing method
+    jmethodID methodId = env.findMethod(clazz, "toString", "()Ljava/lang/String;");
+    QVERIFY(methodId != nullptr);
+
+    // existing method
+    methodId = env.findMethod<jstring>(clazz, "toString");
+    QVERIFY(methodId != nullptr);
+
+    // invalid signature
+    jmethodID invalid = env.findMethod(clazz, "unknown", "()I");
+    QVERIFY(invalid == nullptr);
+    // check that all exceptions are already cleared
+    QVERIFY(!env.checkAndClearExceptions());
+}
+
+void tst_QJniEnvironment::findStaticMethod()
+{
+    QJniEnvironment env;
+    jclass clazz = env.findClass("java/lang/Integer");
+    QVERIFY(clazz != nullptr);
+
+    // existing method
+    jmethodID staticMethodId = env.findStaticMethod(clazz, "parseInt", "(Ljava/lang/String;)I");
+    QVERIFY(staticMethodId != nullptr);
+
+    // existing method
+    staticMethodId = env.findStaticMethod<jint, jstring>(clazz, "parseInt");
+    QVERIFY(staticMethodId != nullptr);
+
+    QJniObject parameter = QJniObject::fromString("123");
+    jint result = QJniObject::callStaticMethod<jint>(clazz, staticMethodId,
+                                                     parameter.object<jstring>());
+    QCOMPARE(result, 123);
+
+    // invalid method
+    jmethodID invalid = env.findStaticMethod(clazz, "unknown", "()I");
+    QVERIFY(invalid == nullptr);
+    invalid = env.findStaticMethod<jint>(clazz, "unknown");
+    QVERIFY(invalid == nullptr);
+    // check that all exceptions are already cleared
+    QVERIFY(!env.checkAndClearExceptions());
+}
+
+void tst_QJniEnvironment::findField()
+{
+    QJniEnvironment env;
+    jclass clazz = env.findClass(javaTestClass);
+    QVERIFY(clazz != nullptr);
+
+    // valid field
+    jfieldID validId = env.findField(clazz, "INT_FIELD", "I");
+    QVERIFY(validId != nullptr);
+    validId = env.findField<jint>(clazz, "INT_FIELD");
+    QVERIFY(validId != nullptr);
+
+    jmethodID constructorId = env.findMethod(clazz, "<init>", "()V");
+    QVERIFY(constructorId != nullptr);
+    jobject obj = env->NewObject(clazz, constructorId);
+    QVERIFY(!env.checkAndClearExceptions());
+    int value = env->GetIntField(obj, validId);
+    QVERIFY(!env.checkAndClearExceptions());
+    QVERIFY(value == 123);
+
+    // invalid signature
+    jfieldID invalidId = env.findField(clazz, "unknown", "I");
+    QVERIFY(invalidId == nullptr);
+    // check that all exceptions are already cleared
+    QVERIFY(!env.checkAndClearExceptions());
+}
+
+void tst_QJniEnvironment::findStaticField()
+{
+    QJniEnvironment env;
+    jclass clazz = env.findClass(javaTestClass);
+    QVERIFY(clazz != nullptr);
+
+    // valid field
+    jfieldID validId = env.findStaticField(clazz, "S_INT_FIELD", "I");
+    QVERIFY(validId != nullptr);
+    validId = env.findStaticField<jint>(clazz, "S_INT_FIELD");
+    QVERIFY(validId != nullptr);
+
+    int size = env->GetStaticIntField(clazz, validId);
+    QVERIFY(!env.checkAndClearExceptions());
+    QVERIFY(size == 321);
+
+    // invalid signature
+    jfieldID invalidId = env.findStaticField(clazz, "unknown", "I");
+    QVERIFY(invalidId == nullptr);
+    // check that all exceptions are already cleared
+    QVERIFY(!env.checkAndClearExceptions());
+}
+
+QTEST_MAIN(tst_QJniEnvironment)
+
+#include "tst_qjnienvironment.moc"