public virtual void run()
{
Console.WriteLine("Starting correctness tests");
sti = new SymbolTable();
int level = checkLevel(sti);
sti.incrNestLevel();
check(sti.CurrentNestLevel == level + 1, "incremented level did not go up by 1");
Attributes ti1 = new Attributes(5);
sti.enter("xyzzy", ti1);
sti.incrNestLevel();
check(sti.lookup("xyzzy") == ti1, "Did not find right symbol info");
Attributes ti2 = new Attributes(6);
sti.enter("xyzzy", ti2);
check(sti.lookup("xyzzy") == ti2, "Nested symbol information not returned");
sti.decrNestLevel();
check(sti.lookup("xyzzy") == ti1, "Should have gotten back told sym info");
Console.WriteLine("End correctness tests");
check(sti.lookup("notpresent") == null, "Failed to not find a nonexistent symbol");
// push a whole bunch of symbols
sti.incrNestLevel();
for (int i = 0; i < 1000; ++i)
{
sti.enter("sym" + i, ti1);
}
// are they all there?
for (int i = 0; i < 1000; ++i)
{
check(sti.lookup("sym" + i) != null, "missing sym");
}
// now pop that level and they should all be gone
sti.decrNestLevel();
for (int i = 0; i < 1000; ++i)
{
check(sti.lookup("sym" + i) == null, "sym should be gone");
}
// Try many symbols, one at each nest level
for (int i = 1; i <= 70; ++i)
{
sti.incrNestLevel();
sti.enter("sym" + i, new Attributes(i));
}
for (int i = 70; i >= 1; --i)
{
check(((Attributes)(sti.lookup("sym" + i))).attrVal == i, "bad symbol info");
}
for (int i = 70; i >= 2; --i)
{
sti.decrNestLevel();
check(sti.lookup("sym" + i) == null, "sym should be gone");
check(((Attributes)(sti.lookup("sym" + (i - 1)))).attrVal == i - 1, "bad symbol info");
}
}
public CorrectnessChecks(SymbolTable st)
{
this.sti = st;
}
private int checkLevel(SymtabInterface sti)
{
check(sti.CurrentNestLevel >= 0, "Negative level");
return(sti.CurrentNestLevel);
}
