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var concat = [
{
head: "a",
tail: "b",
expected: "ab",
name: "Latin1 and Latin1",
},
{
head: "α",
tail: "β",
expected: "αβ",
name: "UTF-16 and UTF-16",
},
{
head: "a",
tail: "β",
expected: "aβ",
name: "Latin1 and UTF-16",
},
{
head: "α",
tail: "b",
expected: "αb",
name: "UTF-16 and Latin1",
},
{
head: "\uD83D",
tail: "\uDE03",
expected: "\uD83D\uDE03",
name: "Surrogate pair",
},
{
head: "a\uD83D",
tail: "\uDE03b",
expected: "a\uD83D\uDE03b",
name: "Surrogate pair with prefix and suffix",
},
{
head: "\uD83D",
tail: "b",
expected: "\uFFFDb",
name: "Unpaired high surrogate and Latin1",
},
{
head: "a\uD83D",
tail: "b",
expected: "a\uFFFDb",
name: "Prefixed unpaired high surrogate and Latin1",
},
{
head: "\uD83D",
tail: "β",
expected: "\uFFFDβ",
name: "Unpaired high surrogate and UTF-16",
},
{
head: "a\uD83D",
tail: "β",
expected: "a\uFFFDβ",
name: "Prefixed unpaired high surrogate and UTF-16",
},
{
head: "\uDE03",
tail: "b",
expected: "\uFFFDb",
name: "Unpaired low surrogate and Latin1",
},
{
head: "a\uDE03",
tail: "b",
expected: "a\uFFFDb",
name: "Prefixed unpaired low surrogate and Latin1",
},
{
head: "\uDE03",
tail: "β",
expected: "\uFFFDβ",
name: "Unpaired low surrogate and UTF-16",
},
{
head: "a\uDE03",
tail: "β",
expected: "a\uFFFDβ",
name: "Prefixed unpaired low surrogate and UTF-16",
},
{
head: "a",
tail: "\uDE03",
expected: "a\uFFFD",
name: "Latin1 and unpaired low surrogate",
},
{
head: "a",
tail: "\uDE03b",
expected: "a\uFFFDb",
name: "Latin1 and suffixed unpaired low surrogate",
},
{
head: "α",
tail: "\uDE03",
expected: "α\uFFFD",
name: "UTF-16 and unpaired low surrogate",
},
{
head: "α",
tail: "\uDE03b",
expected: "α\uFFFDb",
name: "UTF-16 and suffixed unpaired low surrogate",
},
{
head: "a",
tail: "\uD83D",
expected: "a\uFFFD",
name: "Latin1 and unpaired high surrogate",
},
{
head: "a",
tail: "\uD83Db",
expected: "a\uFFFDb",
name: "Latin1 and suffixed unpaired high surrogate",
},
{
head: "α",
tail: "\uD83D",
expected: "α\uFFFD",
name: "UTF-16 and unpaired high surrogate",
},
{
head: "α",
tail: "\uD83Db",
expected: "α\uFFFDb",
name: "UTF-16 and suffixed unpaired high surrogate",
},
];
var testingFunctions = Cu.getJSTestingFunctions();
concat.forEach(function (t) {
test(function () {
assert_true(
testingFunctions.isSameCompartment(testingFunctions.newRope, this),
"Must be in the same compartment"
);
var rope = testingFunctions.newRope(t.head, t.tail);
var encoded = new TextEncoder().encode(rope);
var decoded = new TextDecoder().decode(encoded);
assert_equals(decoded, t.expected, "Must round-trip");
}, t.name);
});
test(function () {
assert_true(
testingFunctions.isSameCompartment(testingFunctions.newRope, this),
"Must be in the same compartment"
);
var ab = testingFunctions.newRope("a", "b");
var abc = testingFunctions.newRope(ab, "c");
var ef = testingFunctions.newRope("e", "f");
var def = testingFunctions.newRope("d", ef);
var abcdef = testingFunctions.newRope(abc, def);
var abcdefab = testingFunctions.newRope(abcdef, ab);
var encoded = new TextEncoder().encode(abcdefab);
var decoded = new TextDecoder().decode(encoded);
assert_equals(decoded, "abcdefab", "Must walk the DAG correctly");
}, "Complex rope DAG");
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