it('should optimize skips', () => {
var rs = coalesce([
// skipIfNot(1) + skip(N) -> skipIf(+N)
r("sknot", [], 0, 1, {mode: RecordType.SkipRecordsIfNot, fixedArgs: [2]}),
r("sk", [], 0, 2, {mode: RecordType.SkipRecords, fixedArgs: [3]}),
r("a", [], 0, 3),
// skipIf(1) + skip(N) -> skipIfNot(N)
r("skif", [], 0, 4, {mode: RecordType.SkipRecordsIf, fixedArgs: [5]}),
r("sk", [], 0, 5, {mode: RecordType.SkipRecords, fixedArgs: [6]}),
r("b", [], 0, 6),
// remove empty skips
r("sknot", [], 0, 7, {mode: RecordType.SkipRecordsIfNot, fixedArgs: [7]}),
r("skif", [], 0, 8, {mode: RecordType.SkipRecordsIf, fixedArgs: [8]}),
r("sk", [], 0, 9, {mode: RecordType.SkipRecords, fixedArgs: [9]}),
r("end", [], 0, 10),
]);
expect(rs).toEqual([
r("sknot", [], 0, 1, {mode: RecordType.SkipRecordsIf, fixedArgs: [2]}),
r("a", [], 0, 2),
r("skif", [], 0, 3, {mode: RecordType.SkipRecordsIfNot, fixedArgs: [4]}),
r("b", [], 0, 4),
r("end", [], 0, 5),
]);
});
it("should replace duplicate terminal records with self records", () => {
var rs = coalesce(
[r("user", [], 0, 1, {lastInBinding: true}), r("user", [], 0, 2, {lastInBinding: true})]);
expect(rs[1]).toEqual(new ProtoRecord(RecordType.Self, "self", null, [], null, 1, null, 2,
null, true, false, false, false, 0));
});
it("should not coalesce protos with different names but same value", () => {
var nullFunc = () => {};
var rs = coalesce([
r(nullFunc, [], 0, 1, {name: "foo"}),
r(nullFunc, [], 0, 1, {name: "bar"}),
]);
expect(rs.length).toEqual(2);
});
it('should preserve the argumentToPureFunction property', () => {
var rs = coalesce([
r('user', [], 0, 1), r('user', [], 0, 2, {argumentToPureFunction: true}),
r('user', [], 0, 3), r('name', [], 3, 4)
]);
expect(rs).toEqual(
[r('user', [], 0, 1, {argumentToPureFunction: true}), r('name', [], 1, 2)]);
});
it("should not coalesce directive lifecycle records", () => {
var rs = coalesce([
r("doCheck", [], 0, 1, {mode: RecordType.DirectiveLifecycle}),
r("doCheck", [], 0, 1, {mode: RecordType.DirectiveLifecycle})
]);
expect(rs.length).toEqual(2);
});
it('should preserve the argumentToPureFunction property (the original record)', () => {
var rs = coalesce([
r('user', [], 0, 1, {argumentToPureFunction: true}), r('user', [], 0, 2),
r('name', [], 2, 3)
]);
expect(rs).toEqual(
[r('user', [], 0, 1, {argumentToPureFunction: true}), r('name', [], 1, 2)]);
});
() => {
var rs = coalesce([
r('user1', [], 0, 1), r('user2', [], 0, 2), r('hi', [1], 0, 3), r('hi', [1], 0, 4),
r('hi', [2], 0, 5)
]);
expect(rs).toEqual(
[r('user1', [], 0, 1), r('user2', [], 0, 2), r('hi', [1], 0, 3), r('hi', [2], 0, 4)]);
});
() => {
var nullFunc = () => {};
var rs = coalesce([
r(nullFunc, [], 0, 1, {directiveIndex: new DirectiveIndex(0, 0)}),
r(nullFunc, [], 0, 1, {directiveIndex: new DirectiveIndex(0, 1)}),
r(nullFunc, [], 0, 1, {directiveIndex: new DirectiveIndex(1, 0)}),
r(nullFunc, [], 0, 1, {directiveIndex: null}),
]);
expect(rs.length).toEqual(4);
});
() => {
var rs = coalesce([
r("user1", [], 0, 1),
r("user2", [], 0, 2),
r("hi", [1], 0, 3),
r("hi", [1], 0, 4),
r("hi", [2], 0, 5)
]);
expect(rs).toEqual(
[r("user1", [], 0, 1), r("user2", [], 0, 2), r("hi", [1], 0, 3), r("hi", [2], 0, 4)]);
});
it('should not use short-circuitable records', () => {
var records = [
r("sknot", [], 0, 1, {mode: RecordType.SkipRecordsIfNot, fixedArgs: [3]}),
r("a", [], 0, 2),
r("sk", [], 0, 3, {mode: RecordType.SkipRecords, fixedArgs: [4]}),
r("b", [], 0, 4),
r("cond", [2, 4], 0, 5),
r("a", [], 0, 6),
r("b", [], 0, 7),
];
expect(coalesce(records)).toEqual(records);
});
