// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include <QtTest>

#include <QtCore/qjnitypes.h>

class tst_QJniTypes : public QObject
{
    Q_OBJECT

public:
    tst_QJniTypes() = default;

private slots:
    void initTestCase();
    void nativeMethod();
};

struct QtJavaWrapper {};
template<>
constexpr auto QtJniTypes::typeSignature<QtJavaWrapper>()
{
    return QtJniTypes::String("Lorg/qtproject/qt/android/QtJavaWrapper;");
}

template<>
constexpr auto QtJniTypes::typeSignature<QJniObject>()
{
    return QtJniTypes::String("Ljava/lang/Object;");
}

struct QtCustomJniObject : QJniObject {};
template<>
constexpr auto QtJniTypes::typeSignature<QtCustomJniObject>()
{
    return QtJniTypes::String("Lorg/qtproject/qt/android/QtCustomJniObject;");
}

static_assert(QtJniTypes::typeSignature<QtJavaWrapper>() == "Lorg/qtproject/qt/android/QtJavaWrapper;");
static_assert(QtJniTypes::typeSignature<QtJavaWrapper>() != "Ljava/lang/Object;");
static_assert(!(QtJniTypes::typeSignature<QtJavaWrapper>() == "X"));

Q_DECLARE_JNI_TYPE(JavaType, "Lorg/qtproject/qt/JavaType;");
static_assert(QtJniTypes::typeSignature<QtJniTypes::JavaType>() == "Lorg/qtproject/qt/JavaType;");
Q_DECLARE_JNI_TYPE(ArrayType, "[Lorg/qtproject/qt/ArrayType;")
static_assert(QtJniTypes::typeSignature<QtJniTypes::ArrayType>() == "[Lorg/qtproject/qt/ArrayType;");

static_assert(QtJniTypes::className<jstring>() == "java/lang/String");

Q_DECLARE_JNI_CLASS(QtTextToSpeech, "org/qtproject/qt/android/speech/QtTextToSpeech")
static_assert(QtJniTypes::className<QtJniTypes::QtTextToSpeech>() == "org/qtproject/qt/android/speech/QtTextToSpeech");

static_assert(QtJniTypes::fieldSignature<jint>() == "I");
static_assert(QtJniTypes::fieldSignature<jint>() != "X");
static_assert(QtJniTypes::fieldSignature<jint>() != "Ljava/lang/Object;");
static_assert(QtJniTypes::fieldSignature<jlong>() == "J");
static_assert(QtJniTypes::fieldSignature<jstring>() == "Ljava/lang/String;");
static_assert(QtJniTypes::fieldSignature<jobject>() == "Ljava/lang/Object;");
static_assert(QtJniTypes::fieldSignature<jobjectArray>() == "[Ljava/lang/Object;");
static_assert(QtJniTypes::fieldSignature<QJniObject>() == "Ljava/lang/Object;");
static_assert(QtJniTypes::fieldSignature<QtJavaWrapper>() == "Lorg/qtproject/qt/android/QtJavaWrapper;");
static_assert(QtJniTypes::fieldSignature<QtCustomJniObject>() == "Lorg/qtproject/qt/android/QtCustomJniObject;");

static_assert(QtJniTypes::methodSignature<void>() == "()V");
static_assert(QtJniTypes::methodSignature<void>() != "()X");
static_assert(QtJniTypes::methodSignature<void, jint>() == "(I)V");
static_assert(QtJniTypes::methodSignature<void, jint, jstring>() == "(ILjava/lang/String;)V");
static_assert(QtJniTypes::methodSignature<jlong, jint, jclass>() == "(ILjava/lang/Class;)J");
static_assert(QtJniTypes::methodSignature<jobject, jint, jstring>() == "(ILjava/lang/String;)Ljava/lang/Object;");
static_assert(QtJniTypes::methodSignature<QtJniTypes::JavaType, jint, jstring>()
                                      == "(ILjava/lang/String;)Lorg/qtproject/qt/JavaType;");

static_assert(QtJniTypes::isPrimitiveType<jint>());
static_assert(QtJniTypes::isPrimitiveType<void>());
static_assert(!QtJniTypes::isPrimitiveType<jobject>());
static_assert(!QtJniTypes::isPrimitiveType<QtCustomJniObject>());

static_assert(!QtJniTypes::isObjectType<jint>());
static_assert(!QtJniTypes::isObjectType<void>());
static_assert(QtJniTypes::isObjectType<jobject>());
static_assert(QtJniTypes::isObjectType<jobjectArray>());
static_assert(QtJniTypes::isObjectType<QtCustomJniObject>());

static_assert(QtJniTypes::String("ABCDE").startsWith("ABC"));
static_assert(QtJniTypes::String("ABCDE").startsWith("A"));
static_assert(QtJniTypes::String("ABCDE").startsWith("ABCDE"));
static_assert(!QtJniTypes::String("ABCDE").startsWith("ABCDEF"));
static_assert(!QtJniTypes::String("ABCDE").startsWith("9AB"));
static_assert(QtJniTypes::String("ABCDE").startsWith('A'));
static_assert(!QtJniTypes::String("ABCDE").startsWith('B'));

static_assert(QtJniTypes::String("ABCDE").endsWith("CDE"));
static_assert(QtJniTypes::String("ABCDE").endsWith("E"));
static_assert(QtJniTypes::String("ABCDE").endsWith("ABCDE"));
static_assert(!QtJniTypes::String("ABCDE").endsWith("DEF"));
static_assert(!QtJniTypes::String("ABCDE").endsWith("ABCDEF"));
static_assert(QtJniTypes::String("ABCDE").endsWith('E'));
static_assert(!QtJniTypes::String("ABCDE").endsWith('F'));

void tst_QJniTypes::initTestCase()
{

}

static bool nativeFunction(JNIEnv *, jclass, int, jstring, long)
{
    return true;
}
Q_DECLARE_JNI_NATIVE_METHOD(nativeFunction)

static_assert(QtJniTypes::nativeMethodSignature(nativeFunction) == "(ILjava/lang/String;J)Z");

void tst_QJniTypes::nativeMethod()
{
    const auto method = Q_JNI_NATIVE_METHOD(nativeFunction);
    QVERIFY(method.fnPtr == nativeFunction);
    QCOMPARE(method.name, "nativeFunction");
    QCOMPARE(method.signature, "(ILjava/lang/String;J)Z");
}

QTEST_MAIN(tst_QJniTypes)

#include "tst_qjnitypes.moc"