@Test
	public void testDiffFunctionTags3() throws Exception {
		// 0100248f
		mtf.initialize("NotepadMergeListingTest", new ProgramModifierListener() {
			@Override
			public void modifyLatest(ProgramDB program) {
				// P1 program
				try {
					// 0100248f
					Function f0100248f =
						program.getFunctionManager().getFunctionAt(addr(program, "0x0100248f"));
					f0100248f.addTag("tagA");
				}
				catch (Exception e) {
					Assert.fail(e.getMessage());
				}
			}

			@Override
			public void modifyPrivate(ProgramDB program) {
				// P2 program
				try {
					// 0100248f
					Function f0100248f =
						program.getFunctionManager().getFunctionAt(addr(program, "0x0100248f"));
					f0100248f.addTag("tagB");
				}
				catch (Exception e) {
					Assert.fail(e.getMessage());
				}
			}
		});

		p1 = mtf.getResultProgram();
		p2 = mtf.getPrivateProgram();

		programDiff = new ProgramDiff(p1, p2);
		AddressSet as = new AddressSet();
		as.addRange(addr(p1, "0x0100248f"), addr(p1, "0x0100248f"));
		programDiff.setFilter(new ProgramDiffFilter(ProgramDiffFilter.FUNCTION_TAG_DIFFS));
		assertEquals(as, programDiff.getDifferences(programDiff.getFilter(), null));
	}
Tests that adding different tags to the same function is recognized as a difference.

@throws Exception
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramDiff2Test.java