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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "BufferedInputStreamTest.h"
#include <decaf/lang/Integer.h>
#include <decaf/io/ByteArrayInputStream.h>
#include <decaf/lang/exceptions/NullPointerException.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
using namespace std;
using namespace decaf;
using namespace decaf::lang;
using namespace decaf::lang::exceptions;
using namespace decaf::io;
using namespace decaf::util;
////////////////////////////////////////////////////////////////////////////////
const std::string BufferedInputStreamTest::testString =
"Test_All_Tests\nTest_BufferedInputStream\nTest_java_io_BufferedOutputStream\n"
"Test_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\n"
"Test_java_io_DataInputStream\nTest_java_io_File\nTest_java_io_FileDescriptor\n"
"Test_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_java_io_FileOutputStream\n"
"Test_java_io_FilterInputStream\nTest_java_io_FilterOutputStream\nTest_java_io_InputStream\n"
"Test_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\n"
"Test_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\n"
"Test_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\n"
"Test_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\n"
"Test_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\n"
"Test_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\n"
"Test_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\n"
"Test_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\n"
"Test_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\n"
"Test_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\n"
"Test_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\n"
"Test_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\n"
"Test_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\n"
"Test_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\n"
"Test_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\n"
"Test_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\n"
"Test_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\n"
"Test_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\n"
"Test_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\n"
"Test_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\n"
"Test_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\n"
"Test_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\n"
"Test_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\n"
"Test_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\n"
"Test_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\n"
"Test_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\n"
"Test_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\n"
"Test_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\n"
"Test_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\n"
"Test_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\n"
"Test_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\n"
"Test_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\n"
"Test_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n";
////////////////////////////////////////////////////////////////////////////////
namespace {
class MyInputStream : public InputStream{
private:
std::string data;
int pos;
bool throwOnRead;
bool closed;
public:
MyInputStream( const std::string& data ) : data(), pos(), throwOnRead(), closed() {
this->data = data;
this->pos = 0;
this->throwOnRead = false;
this->closed = false;
}
virtual ~MyInputStream(){}
void setThrowOnRead( bool value ) {
this->throwOnRead = value;
}
bool isThrowOnRead() const {
return this->throwOnRead;
}
bool isClosed() const {
return this->closed;
}
virtual int available() const {
if( isClosed() ) {
throw IOException(
__FILE__, __LINE__,
"MyInputStream::read - Stream already closed." );
}
int len = (int)data.length();
return len - pos;
}
virtual int doReadByte() {
if( this->isThrowOnRead() ) {
throw IOException(
__FILE__, __LINE__,
"MyInputStream::read - Throw on Read on." );
}
if( pos >= (int)data.length() ){
return -1;
}
return data.c_str()[pos++];
}
virtual int doReadArrayOffsetAndLength( unsigned char* buffer, int size, int offset, int length ) {
int numToRead = std::min( length, available() );
if( this->isThrowOnRead() ) {
throw IOException(
__FILE__, __LINE__,
"MyInputStream::read - Throw on Read on." );
}
// Simulate EOF
if( numToRead == 0 ) {
return -1;
}
const char* str = data.c_str();
for( int ix=0; ix<numToRead; ++ix ){
buffer[ix+offset] = str[pos+ix];
}
pos += numToRead;
return (int)numToRead;
}
virtual void close() {
this->closed = true;
}
virtual long long skip( long long num ) {
return ( pos += (int)std::min( num, (long long)available() ) );
}
};
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testConstructor() {
std::string testStr = "TEST12345678910";
MyInputStream myStream( testStr );
// Create buffer with exact size of data
BufferedInputStream is( &myStream, (int)testStr.length() );
// Ensure buffer gets filled by evaluating one read
CPPUNIT_ASSERT( is.read() != -1 );
// Read the remaining buffered characters, no IOException should
// occur.
is.skip( testStr.length() - 2 );
CPPUNIT_ASSERT( is.read() != -1 );
// is.read should now return -1 as all data has been read.
CPPUNIT_ASSERT( is.read() == -1 );
{
BufferedInputStream nullStream( NULL );
CPPUNIT_ASSERT_THROW_MESSAGE(
"Should have thrown an IOException",
nullStream.read(),
IOException );
}
{
BufferedInputStream nullStream( NULL, 1 );
CPPUNIT_ASSERT_THROW_MESSAGE(
"Should have thrown an IOException",
nullStream.read(),
IOException );
}
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testAvailable() {
std::string testStr = "TEST12345678910";
MyInputStream myStream( testStr );
// Create buffer with exact size of data
BufferedInputStream is( &myStream, (int)testStr.length() );
// Test for method int BufferedInputStream.available()
try {
CPPUNIT_ASSERT_MESSAGE( "Returned incorrect number of available bytes",
is.available() == (int)testStr.length() );
} catch( IOException& e ) {
CPPUNIT_ASSERT_MESSAGE("Exception during available test", false );
}
// Test that a closed stream throws an IOE for available()
std::string testStr2 = "hello world";
MyInputStream myStream2( testStr2 );
BufferedInputStream bis( &myStream2, (int)testStr2.length() );
int available;
try {
available = bis.available();
bis.close();
} catch( IOException& ex ) {
CPPUNIT_ASSERT(false);
return; // never reached.
}
CPPUNIT_ASSERT( available != 0 );
try {
bis.available();
CPPUNIT_ASSERT_MESSAGE("Expected test to throw IOE.", false );
} catch( IOException& ex ) {
// expected
}
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testClose() {
try{
std::string testStr = "TEST12345678910";
MyInputStream myStream( testStr );
// Test for method void java.io.BufferedInputStream.close()
BufferedInputStream i1( &myStream );
BufferedInputStream i2( &myStream );
// Test a null stream
MyInputStream* ptr = NULL;
BufferedInputStream buf( ptr, 5 );
buf.close();
} catch(...) {
CPPUNIT_FAIL("Close shouldn't throw an error here" );
}
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testMarkSupported() {
BufferedInputStream is( NULL );
CPPUNIT_ASSERT_MESSAGE( "markSupported returned incorrect value", is.markSupported() );
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testRead() {
try {
// Test for method int BufferedInputStream.read()
std::string testStr = "TEST12345678910";
MyInputStream myStream( testStr );
// Create buffer with exact size of data
BufferedInputStream is( &myStream, (int)(int)testStr.length() );
char c = (char)is.read();
CPPUNIT_ASSERT_MESSAGE( "read returned incorrect char",
c == testStr.at(0) );
} catch( IOException& e ) {
CPPUNIT_FAIL( "Exception during read test" );
}
unsigned char bytes[256];
for( int i = 0; i < 256; i++ ) {
bytes[i] = (unsigned char)i;
}
// New stream, owns the inner one.
BufferedInputStream is(
new ByteArrayInputStream( &bytes[0], 256 ), 12, true );
try {
CPPUNIT_ASSERT_MESSAGE( "Wrong initial byte", 0 == is.read() );
// Fill the buffer
unsigned char buf[14];
is.read( &buf[0], 14, 0, 14 );
// Read greater than the buffer
CPPUNIT_ASSERT_MESSAGE( "Wrong block read data",
string( (const char*)&buf[0], 14 ) ==
string( (const char*)&bytes[1], 14 ) );
CPPUNIT_ASSERT_MESSAGE("Wrong bytes", 15 == is.read() ); // Check next byte
} catch( IOException& e ) {
CPPUNIT_FAIL("Exception during read test");
}
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testRead2() {
std::string testStr;
testStr.append( "A", 3000 );
testStr.append( "B", 1000 );
MyInputStream myStream( testStr );
// Create buffer with exact size of data
BufferedInputStream is( &myStream, (int)testStr.length() );
// Test for method int BufferedInputStream.read(byte [], int,
// int)
unsigned char buf1[100];
try {
is.skip( 3000 );
is.read( buf1, 100, 0, 100 );
CPPUNIT_ASSERT_MESSAGE(
"Failed to read correct data",
string( (const char*)&buf1[0], 100 ) == testStr.substr( 3000, 100 ) );
} catch( IOException& e ) {
CPPUNIT_FAIL("Exception during read test");
}
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testReadException() {
unsigned char array[1];
BufferedInputStream bis( NULL );
CPPUNIT_ASSERT_THROW_MESSAGE(
"should throw NullPointerException",
bis.read( NULL, 1, 0, 1 ),
NullPointerException );
CPPUNIT_ASSERT_THROW_MESSAGE(
"should throw IndexOutOfBoundsException",
bis.read( array, 0, 1, 1 ),
IndexOutOfBoundsException );
bis.close();
CPPUNIT_ASSERT_THROW_MESSAGE(
"should throw IOException",
bis.read( NULL, 1, 0, 1 ),
IOException );
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testSmallerBuffer(){
std::string testStr = "TEST12345678910";
MyInputStream myStream( testStr );
BufferedInputStream bufStream( &myStream, 1 );
int available = bufStream.available();
CPPUNIT_ASSERT( available == (int)testStr.length() );
unsigned char dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'T' );
available = bufStream.available();
CPPUNIT_ASSERT( available == ((int)testStr.length() - 1) );
dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'E' );
available = bufStream.available();
CPPUNIT_ASSERT( available == ((int)testStr.length() - 2 ) );
dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'S' );
available = bufStream.available();
CPPUNIT_ASSERT( available == ((int)testStr.length() - 3 ) );
dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'T' );
unsigned char dummyBuf[20];
memset( dummyBuf, 0, 20 );
int numRead = bufStream.read( dummyBuf, 20, 0, 10 );
CPPUNIT_ASSERT( numRead == 10 );
CPPUNIT_ASSERT( strcmp( (char*)dummyBuf, "1234567891" ) == 0 );
available = bufStream.available();
CPPUNIT_ASSERT( available == 1 );
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testBiggerBuffer(){
std::string testStr = "TEST12345678910";
MyInputStream myStream( testStr );
BufferedInputStream bufStream( &myStream, 10 );
int available = bufStream.available();
CPPUNIT_ASSERT( available == (int)testStr.length() );
unsigned char dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'T' );
available = bufStream.available();
CPPUNIT_ASSERT( available == ((int)testStr.length() - 1 ) );
dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'E' );
available = bufStream.available();
CPPUNIT_ASSERT( available == ((int)testStr.length() - 2 ) );
dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'S' );
available = bufStream.available();
CPPUNIT_ASSERT( available == ((int)testStr.length() - 3 ) );
dummy = (unsigned char)bufStream.read();
CPPUNIT_ASSERT( dummy == 'T' );
unsigned char dummyBuf[20];
memset( dummyBuf, 0, 20 );
int numRead = bufStream.read( dummyBuf, 20, 0, 10 );
CPPUNIT_ASSERT( numRead == 10 );
CPPUNIT_ASSERT( strcmp( (char*)dummyBuf, "1234567891" ) == 0 );
available = bufStream.available();
CPPUNIT_ASSERT( available == 1 );
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testSkipNullInputStream() {
BufferedInputStream buf( NULL, 5 );
CPPUNIT_ASSERT_EQUAL( 0LL, buf.skip( 0 ) );
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testMarkI() {
ByteArrayInputStream stream;
stream.setByteArray( (const unsigned char*)testString.c_str(), (int)testString.length() );
BufferedInputStream is( &stream );
unsigned char buf1[100];
unsigned char buf2[100];
is.skip( 3000 );
is.mark( 1000 );
is.read( buf1, 100 );
is.reset();
is.read( buf2, 100 );
is.reset();
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Failed to mark correct position",
std::string( buf1, buf1 + 100 ),
std::string( buf2, buf2 + 100 ) );
unsigned char bytes[256];
for( int i = 0; i < 256; i++ ) {
bytes[i] = (unsigned char)i;
}
{
ByteArrayInputStream bais;
bais.setByteArray( bytes, 256 );
BufferedInputStream in( &bais, 12 );
in.skip( 6 );
in.mark( 14 );
unsigned char bitBucket[14];
in.read( bitBucket, 14 );
in.reset();
CPPUNIT_ASSERT_MESSAGE( "Wrong bytes", in.read() == 6 && in.read() == 7 );
}
{
ByteArrayInputStream bais;
bais.setByteArray( bytes, 256 );
BufferedInputStream in( &bais, 12 );
in.skip( 6 );
in.mark( 8 );
in.skip( 7 );
in.reset();
CPPUNIT_ASSERT_MESSAGE( "Wrong bytes 2", in.read() == 6 && in.read() == 7 );
}
{
unsigned char temp[] = { 0, 1, 2, 3, 4 };
ByteArrayInputStream bais;
bais.setByteArray( temp, 5 );
BufferedInputStream buf( &bais, 2 );
buf.mark( 3 );
unsigned char bitBucket[3];
int result = buf.read( bitBucket, 3 );
CPPUNIT_ASSERT_EQUAL( 3, result );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 0:", 0, (int)bytes[0] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 1:", 1, (int)bytes[1] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 2:", 2, (int)bytes[2] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 3:", 3, buf.read() );
}
{
unsigned char temp[] = { 0, 1, 2, 3, 4 };
ByteArrayInputStream bais;
bais.setByteArray( temp, 5 );
BufferedInputStream buf( &bais, 2 );
buf.mark( 3 );
unsigned char bitBucket[4];
int result = buf.read( bitBucket, 4 );
CPPUNIT_ASSERT_EQUAL(4, result);
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 4:", 0, (int)bytes[0] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 5:", 1, (int)bytes[1] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 6:", 2, (int)bytes[2] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 7:", 3, (int)bytes[3] );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 8:", 4, buf.read() );
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Assert 9:", -1, buf.read() );
}
{
unsigned char temp[] = { 0, 1, 2, 3, 4 };
ByteArrayInputStream bais;
bais.setByteArray( temp, 5 );
BufferedInputStream buf( &bais, 2 );
buf.mark( Integer::MAX_VALUE );
buf.read();
buf.close();
}
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testResetScenario1() {
unsigned char input[] = { '1','2','3','4','5','6','7','8','9','0','0' };
ByteArrayInputStream bais;
bais.setByteArray( &input[0], 11 );
BufferedInputStream buffis( &bais );
buffis.read();
buffis.mark( 5 );
buffis.skip( 5 );
buffis.reset();
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testResetScenario2() {
unsigned char input[] = { '1','2','3','4','5','6','7','8','9','0','0' };
ByteArrayInputStream bais;
bais.setByteArray( &input[0], 11 );
BufferedInputStream buffis( &bais );
buffis.mark( 5 );
buffis.skip( 6 );
buffis.reset();
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testResetException() {
BufferedInputStream bis( NULL );
// throws IOException with message "Mark has been invalidated"
CPPUNIT_ASSERT_THROW_MESSAGE(
"should throw IOException",
bis.reset(),
IOException );
// does not throw IOException
bis.mark( 1 );
bis.reset();
bis.close();
// throws IOException with message "stream is closed"
CPPUNIT_ASSERT_THROW_MESSAGE(
"should throw IOException",
bis.reset(),
IOException );
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testReset() {
ByteArrayInputStream stream;
stream.setByteArray( (const unsigned char*)testString.c_str(), (int)testString.length() );
BufferedInputStream is( &stream );
unsigned char buf1[10];
unsigned char buf2[10];
is.mark( 2000 );
is.read( buf1, 10 );
is.reset();
is.read( buf2, 10 );
is.reset();
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Reset failed",
std::string( buf1, buf1 + 10 ),
std::string( buf2, buf2 + 10 ) );
unsigned char input[] = { '1','2','3','4','5','6','7','8','9','0' };
ByteArrayInputStream bais;
bais.setByteArray( &input[0], 10 );
BufferedInputStream bIn( &bais );
bIn.mark( 10 );
for( int i = 0; i < 11; i++ ) {
bIn.read();
}
bIn.reset();
}
////////////////////////////////////////////////////////////////////////////////
void BufferedInputStreamTest::testSkipJ() {
ByteArrayInputStream stream;
stream.setByteArray( (const unsigned char*)testString.c_str(), (int)testString.length() );
BufferedInputStream is( &stream );
unsigned char buf1[10];
is.mark( 2000 );
is.skip( 1000 );
is.read( buf1, 10 );
is.reset();
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Failed to skip to correct position",
std::string( buf1, buf1 + 10 ),
testString.substr( 1000, 10 ) );
// throws IOException with message "stream is closed"
BufferedInputStream buf( NULL, 5 );
CPPUNIT_ASSERT_THROW_MESSAGE(
"should throw IOException",
buf.skip( 10 ),
IOException );
}