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/*
* Copyright (c) 1998-2002 PARC Inc. All rights reserved.
*
* Use and copying of this software and preparation of derivative works based
* upon this software are permitted. Any distribution of this software or
* derivative works must comply with all applicable United States export
* control laws.
*
* This software is made available AS IS, and PARC Inc. makes no
* warranty about the software, its performance or its conformity to any
* specification.
*/
import java.util.*;
import java.io.*;
import org.aspectj.lang.*;
/** @author Wes Isberg */
public aspect BufferTest {
// article page 43 - input driver
// START-SAMPLE testing-inoculated-proceedVariants Using around for integration testing
/**
* When PrinterBuffer.capacity(int) is called,
* test it with repeatedly with a set of input
* (validating the result) and then continue with
* the original call.
*
* This assumes that the capacity method causes no
* relevant state changes in the buffer.
*/
int around(int original, PrinterBuffer buffer) :
call(int PrinterBuffer.capacity(int)) && args(original) && target(buffer) {
int[] input = new int[] { 0, 1, 10, 1000, -1, 4096 };
for (int i = 0; i < input.length; i++) {
int result = proceed(input[i], buffer); // invoke test
validateResult(buffer, input[i], result);
}
return proceed(original, buffer); // continue with original processing
}
// END-SAMPLE testing-inoculated-proceedVariants
void validateResult(PrinterBuffer buffer, int input, int result) {
System.err.println("validating input=" + input + " result=" + result
+ " buffer=" + buffer);
}
public static void main(String[] args) {
PrinterBuffer p = new PrinterBuffer();
int i = p.capacity(0);
System.err.println("main - result " + i);
}
}
class PrinterBuffer {
int capacity(int i) {
System.err.println("capacity " + i);
return i;
}
}
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