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Renamed AddressDecoder to Bus

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Seth Morabito committed 2008-12-11 11:41:05 -08:00
1 parent 0e212e71e5
commit 6f678af3df
5 files changed
+137 -135
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src/test/java/com/loomcom/lm6502/AddressDecoderTest.java
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package com.loomcom.lm6502;
import junit.framework.*;
import com.loomcom.lm6502.devices.*;
import java.util.HashMap;
import java.util.Map;
/**
*
*/
public class AddressDecoderTest extends TestCase {
public AddressDecoderTest(String testName) {
super(testName);
}
public static Test suite() {
return new TestSuite(AddressDecoderTest.class);
}
public void testCreatingWithTopAndBottom() {
AddressDecoder ad = null;
ad = new AddressDecoder(0x00, 0xff);
assertEquals(0x00, ad.bottom());
assertEquals(0xff, ad.top());
ad = new AddressDecoder(0x20, 0xea);
assertEquals(0x20, ad.bottom());
assertEquals(0xea, ad.top());
}
public void testCreatingWithSize() {
AddressDecoder ad = null;
ad = new AddressDecoder(256);
assertEquals(0x00, ad.bottom());
assertEquals(0xff, ad.top());
ad = new AddressDecoder(4096);
assertEquals(0x000, ad.bottom());
assertEquals(0xfff, ad.top());
ad = new AddressDecoder(65536);
assertEquals(0x0000, ad.bottom());
assertEquals(0xffff, ad.top());
}
public void testAddDevice() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x0100, null, true);
Device rom = new Memory(0x0100, 0x0200, null, false);
AddressDecoder ad = new AddressDecoder(0x0000, 0xffff);
assertEquals(0, ad.getDevices().size());
ad.addDevice(memory);
assertEquals(1, ad.getDevices().size());
ad.addDevice(rom);
assertEquals(2, ad.getDevices().size());
}
public void testOverlappingDevicesShouldFail() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x0100, null, true);
Device rom = new Memory(0x00ff, 0x0200, null, false);
AddressDecoder ad = new AddressDecoder(0x0000, 0xffff);
ad.addDevice(memory);
try {
ad.addDevice(rom);
fail("Should have thrown a MemoryRangeException.");
} catch (MemoryRangeException ex) {
// expected
}
}
public void testIsCompleteWithFirstDeviceNotStartingAtBottom() throws MemoryRangeException {
Device memory = new Memory(0x00ff, 0xff00, null, true);
AddressDecoder ad = new AddressDecoder(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(memory);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
}
public void testIsCompleteWithOneDevice() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x10000, null, true);
AddressDecoder ad = new AddressDecoder(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(memory);
assertTrue("Address space should have been complete!", ad.isComplete());
}
public void testIsCompleteWithTwoDevices() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x8000, null, true);
Device rom = new Memory(0x8000, 0x8000, null, false);
AddressDecoder ad = new AddressDecoder(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(memory);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(rom);
assertTrue("Address space should have been complete!", ad.isComplete());
}
public void testIsCompleteWithThreeDevices() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x8000, null, true);
Device rom1 = new Memory(0x8000, 0x4000, null, false);
Device rom2 = new Memory(0xC000, 0x4000, null, false);
AddressDecoder ad = new AddressDecoder(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(memory);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(rom1);
assertFalse("Address space was unexpectedly complete!", ad.isComplete());
ad.addDevice(rom2);
assertTrue("Address space should have been complete!", ad.isComplete());
}
}
src/test/java/com/loomcom/lm6502/BusTest.java
+124
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package com.loomcom.lm6502;
import junit.framework.*;
import com.loomcom.lm6502.devices.*;
import java.util.*;
/**
*
*/
public class BusTest extends TestCase {
public BusTest(String testName) {
super(testName);
}
public static Test suite() {
return new TestSuite(BusTest.class);
}
public void testCreatingWithTopAndBottom() {
Bus b = null;
b = new Bus(0x00, 0xff);
assertEquals(0x00, b.bottom());
assertEquals(0xff, b.top());
b = new Bus(0x20, 0xea);
assertEquals(0x20, b.bottom());
assertEquals(0xea, b.top());
}
public void testCreatingWithSize() {
Bus b = null;
b = new Bus(256);
assertEquals(0x00, b.bottom());
assertEquals(0xff, b.top());
b = new Bus(4096);
assertEquals(0x000, b.bottom());
assertEquals(0xfff, b.top());
b = new Bus(65536);
assertEquals(0x0000, b.bottom());
assertEquals(0xffff, b.top());
}
public void testAddDevice() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x0100, null, true);
Device rom = new Memory(0x0100, 0x0200, null, false);
Bus b = new Bus(0x0000, 0xffff);
assertEquals(0, b.getDevices().size());
b.addDevice(memory);
assertEquals(1, b.getDevices().size());
b.addDevice(rom);
assertEquals(2, b.getDevices().size());
}
public void testOverlappingDevicesShouldFail() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x0100, null, true);
Device rom = new Memory(0x00ff, 0x0200, null, false);
Bus b = new Bus(0x0000, 0xffff);
b.addDevice(memory);
try {
b.addDevice(rom);
fail("Should have thrown a MemoryRangeException.");
} catch (MemoryRangeException ex) {
// expected
}
}
public void testIsCompleteWithFirstDeviceNotStartingAtBottom() throws MemoryRangeException {
Device memory = new Memory(0x00ff, 0xff00, null, true);
Bus b = new Bus(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(memory);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
}
public void testIsCompleteWithOneDevice() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x10000, null, true);
Bus b = new Bus(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(memory);
assertTrue("Address space should have been complete!", b.isComplete());
}
public void testIsCompleteWithTwoDevices() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x8000, null, true);
Device rom = new Memory(0x8000, 0x8000, null, false);
Bus b = new Bus(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(memory);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(rom);
assertTrue("Address space should have been complete!", b.isComplete());
}
public void testIsCompleteWithThreeDevices() throws MemoryRangeException {
Device memory = new Memory(0x0000, 0x8000, null, true);
Device rom1 = new Memory(0x8000, 0x4000, null, false);
Device rom2 = new Memory(0xC000, 0x4000, null, false);
Bus b = new Bus(0x0000, 0xffff);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(memory);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(rom1);
assertFalse("Address space was unexpectedly complete!", b.isComplete());
b.addDevice(rom2);
assertTrue("Address space should have been complete!", b.isComplete());
}
}