Tests that the Diff module correctly diffs things.


=: "test th"
-: "is"
+: "at"
=: " sentence"
-: "."

-: [
    "test this sentence."
]
+: [
    "test that sentence"
]

=: [
    "a"
]
-: [
    "b"
]
=: [
    "c"
]

-: [
    "a"
]
=: [
    "b"
]
+: [
    "a"
]
=: [
    "c"
]

=: [
    "a"
]
+: [
    "b"
]
=: [
    "c"
]

=: [
    "for (var i = 0; i < 100; i++) {"
]
-: [
    "    willBeLeftAlone()",
    "    willBeDeleted();"
]
+: [
    "    willBeLeftAlone();"
]
=: [
    "}"
]
+: [
    "insertThisLine();"
]
=: [
    "for (var j = 0; j < 100; j++) {"
]
-: [
    "    console.log('something changed');",
    "    willBeDeletedAgain();"
]
+: [
    "    console.log('changed');"
]
=: [
    "}"
]