public void testKbdInputBuffer() throws Exception {
Application app = new Application(null, null, null);
app.setKbd("3 45 67");
assertEquals(app.readNextFromKbd(), 3);
assertEquals(app.readNextFromKbd(), 45);
assertEquals(app.readNextFromKbd(), 67);
try {
app.readNextFromKbd();
fail("Should have thrown an exception now: no more data.");
} catch (TTK91NoKbdData err) {
}
app.setKbd("-3 ;: 6;:\n\r\n7");
assertEquals(app.readNextFromKbd(), -3);
assertEquals(app.readNextFromKbd(), 6);
assertEquals(app.readNextFromKbd(), 7);
try {
app.readNextFromKbd();
fail("Should have thrown an exception now: no more data.");
} catch (TTK91NoKbdData err) {
}
try {
app.setKbd("-3 5 a");
fail("Should have thrown an exception now: invalid input.");
} catch (IllegalArgumentException err) {
}
}
public void testConstructor() {
class __stub_memoryline extends MemoryLine {
public __stub_memoryline() {
super(1, "foo");
}
public int getBinary() {
return 60;
}
}
Application app;
// The stub_memorylines always return 60 for their getBinary().
__stub_memoryline[] foo = {new __stub_memoryline()};
// Null variables should be replaced by empty actual variables
// by the application.
app = new Application(null, null, null);
assertEquals(app.getCode().length, 0);
assertEquals(app.getInitialData().length, 0);
assertTrue(app.getSymbolTable() != null);
// Then try one which has content.
app = new Application(foo, foo, new SymbolTable());
assertEquals("One-length code area", app.getCode().length, 1);
assertEquals(app.getCode()[0].getBinary(), 60);
assertEquals("One-length data area", app.getInitialData().length, 1);
assertEquals(app.getInitialData()[0].getBinary(), 60);
assertTrue(app.getSymbolTable() != null);
}
public void testInputCheck() {
assertTrue(Application.checkInput("3 45 67"));
assertTrue(Application.checkInput("-3 ;: 6;:\n\r\n7"));
assertTrue(!Application.checkInput("-3 5 a"));
}
public void testWrites() {
Application app;
app = new Application(null, null, null);
// STDOUT writing.
assertEquals(app.readStdOut(), "");
app.writeToStdOut(30);
app.writeToStdOut(3);
assertEquals(
"App read",
app.readStdOut(),
"30"
+ System.getProperty("line.separator", "\n")
+ "3"
+ System.getProperty("line.separator", "\n"));
// The read should also have emptied the buffer.
assertEquals(app.readStdOut(), "");
// CRT writing.
assertEquals(app.readCrt(), "");
app.writeToCrt(42);
app.writeToCrt(4);
assertEquals(
"Crt read",
app.readCrt(),
"42"
+ System.getProperty("line.separator", "\n")
+ "4"
+ System.getProperty("line.separator", "\n"));
assertEquals(app.readCrt(), "");
}