private void verifyDifference(int diffStart, int diffEnd)
			throws ProgramConflictException, CancelledException {
		AddressSet as = new AddressSet();
		as.addRange(addr(p1, 0x01003ac0), addr(p1, 0x01003bec));
		programDiff = new ProgramDiff(p1, p2, as);
		programDiff.setFilter(new ProgramDiffFilter(ProgramDiffFilter.CODE_UNIT_DIFFS));
		AddressSet addrSet = new AddressSet();

		addrSet.addRange(addr(p1, diffStart), addr(p1, diffEnd));

		AddressSetView diffAs = programDiff.getDifferences(programDiff.getFilter(), null);
		assertEquals(addrSet, diffAs);
	}
Test that ProgramDiff can determine the stack reference differences
between Program1 and Program2.
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramDiff4Test.java