jfrace
Class Statement

java.lang.Object
  |
  +--jfrace.Statement

public class Statement

extends java.lang.Object

Test statement. Helper class for CPUTestSuite. A test statement contains some registers or an address. These registers or address can be set to numerical values.

Author:

Franz-Josef Elmer.

Constructor Summary

Statement(java.lang.String statement, java.util.Hashtable regNames)
Create a statement in accordance of the given statement string.

Method Summary

boolean	isDoubleEqualSign() Return true if '==' appeared instead of '='.
void	markTestedRegisters(boolean[] testedRegisters) Mark tested registers.
java.lang.String	setState(CPU cpu, AddressSpace as) Set the state of the given CPU or memory in accordance to this statement.
void	test(java.lang.StringBuffer sb, CPU cpu, AddressSpace as) Test the state of CPU and memory in accordance to this statement.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Statement

public Statement(java.lang.String statement,
                 java.util.Hashtable regNames)

Create a statement in accordance of the given statement string.

Parameters:

statement - description string.

regNames - register names. Needed for obtaining the register index from the name.

Method Detail

isDoubleEqualSign

public boolean isDoubleEqualSign()

Return true if '==' appeared instead of '='.

setState

public java.lang.String setState(CPU cpu,
                                 AddressSpace as)

Set the state of the given CPU or memory in accordance to this statement.

Parameters:

cpu - CPU

as - address space of the memory

Returns:

null if no error. Otherwise an error message is returned.

test

public void test(java.lang.StringBuffer sb,
                 CPU cpu,
                 AddressSpace as)

Test the state of CPU and memory in accordance to this statement.

Parameters:

sb - an error message will be apend to this string buffer.

cpu - CPU

as - address space of the memory.

markTestedRegisters

public void markTestedRegisters(boolean[] testedRegisters)

Mark tested registers. Set the corresponding bit of testedRegisters for those registers which will be tested by the test method in accordance of the statement description given in the constructor.

Parameters:

testedRegisters - the length of this array has to be equal to the number of registers of the CPU.