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Add object spread scenario tests
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‎tests/baselines/reference/objectSpreadScenarios.js

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//// [objectSpreadScenarios.ts]
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interface A1 { a: boolean }
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interface B1 { b: number };
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function override<U>(initial: U, override: U): U {
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return { ...initial, ...override };
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}
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function update<U>(this: { u: U }, override: U): void {
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this.u = { ...this.u, ...override };
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}
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function mixin<T, U>(one: T, two: U): { ...T, ...U } {
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return { ...one, ...two };
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}
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let a1: A1 = { a: true };
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let b1: B1 = { b: 101 };
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a1 = override(a1, { a: false });
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let host = { u: a1, update };
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host.update({ a: false });
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let mixed = mixin(a1, b1);
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//// [objectSpreadScenarios.js]
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var __assign = (this && this.__assign) || Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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;
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function override(initial, override) {
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return __assign({}, initial, override);
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}
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function update(override) {
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this.u = __assign({}, this.u, override);
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}
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function mixin(one, two) {
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return __assign({}, one, two);
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}
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var a1 = { a: true };
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var b1 = { b: 101 };
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a1 = override(a1, { a: false });
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var host = { u: a1, update: update };
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host.update({ a: false });
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var mixed = mixin(a1, b1);

‎tests/baselines/reference/objectSpreadScenarios.symbols

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=== tests/cases/conformance/types/spread/objectSpreadScenarios.ts ===
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interface A1 { a: boolean }
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>A1 : Symbol(A1, Decl(objectSpreadScenarios.ts, 0, 0))
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>a : Symbol(A1.a, Decl(objectSpreadScenarios.ts, 0, 14))
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interface B1 { b: number };
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>B1 : Symbol(B1, Decl(objectSpreadScenarios.ts, 0, 27))
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>b : Symbol(B1.b, Decl(objectSpreadScenarios.ts, 1, 14))
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function override<U>(initial: U, override: U): U {
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>override : Symbol(override, Decl(objectSpreadScenarios.ts, 1, 27))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
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>initial : Symbol(initial, Decl(objectSpreadScenarios.ts, 2, 21))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
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>override : Symbol(override, Decl(objectSpreadScenarios.ts, 2, 32))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 2, 18))
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return { ...initial, ...override };
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}
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function update<U>(this: { u: U }, override: U): void {
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>update : Symbol(update, Decl(objectSpreadScenarios.ts, 4, 1))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 5, 16))
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>this : Symbol(this, Decl(objectSpreadScenarios.ts, 5, 19))
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>u : Symbol(u, Decl(objectSpreadScenarios.ts, 5, 26))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 5, 16))
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>override : Symbol(override, Decl(objectSpreadScenarios.ts, 5, 34))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 5, 16))
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this.u = { ...this.u, ...override };
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>this.u : Symbol(u, Decl(objectSpreadScenarios.ts, 5, 26))
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>this : Symbol(this, Decl(objectSpreadScenarios.ts, 5, 19))
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>u : Symbol(u, Decl(objectSpreadScenarios.ts, 5, 26))
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>this.u : Symbol(u, Decl(objectSpreadScenarios.ts, 5, 26))
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>this : Symbol(this, Decl(objectSpreadScenarios.ts, 5, 19))
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>u : Symbol(u, Decl(objectSpreadScenarios.ts, 5, 26))
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}
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function mixin<T, U>(one: T, two: U): { ...T, ...U } {
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>mixin : Symbol(mixin, Decl(objectSpreadScenarios.ts, 7, 1))
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>T : Symbol(T, Decl(objectSpreadScenarios.ts, 8, 15))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 8, 17))
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>one : Symbol(one, Decl(objectSpreadScenarios.ts, 8, 21))
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>T : Symbol(T, Decl(objectSpreadScenarios.ts, 8, 15))
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>two : Symbol(two, Decl(objectSpreadScenarios.ts, 8, 28))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 8, 17))
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>T : Symbol(T, Decl(objectSpreadScenarios.ts, 8, 15))
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>U : Symbol(U, Decl(objectSpreadScenarios.ts, 8, 17))
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return { ...one, ...two };
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}
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let a1: A1 = { a: true };
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>a1 : Symbol(a1, Decl(objectSpreadScenarios.ts, 11, 3))
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>A1 : Symbol(A1, Decl(objectSpreadScenarios.ts, 0, 0))
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>a : Symbol(a, Decl(objectSpreadScenarios.ts, 11, 14))
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let b1: B1 = { b: 101 };
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>b1 : Symbol(b1, Decl(objectSpreadScenarios.ts, 12, 3))
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>B1 : Symbol(B1, Decl(objectSpreadScenarios.ts, 0, 27))
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>b : Symbol(b, Decl(objectSpreadScenarios.ts, 12, 14))
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a1 = override(a1, { a: false });
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>a1 : Symbol(a1, Decl(objectSpreadScenarios.ts, 11, 3))
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>override : Symbol(override, Decl(objectSpreadScenarios.ts, 1, 27))
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>a1 : Symbol(a1, Decl(objectSpreadScenarios.ts, 11, 3))
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>a : Symbol(a, Decl(objectSpreadScenarios.ts, 13, 19))
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let host = { u: a1, update };
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>host : Symbol(host, Decl(objectSpreadScenarios.ts, 14, 3))
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>u : Symbol(u, Decl(objectSpreadScenarios.ts, 14, 12))
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>a1 : Symbol(a1, Decl(objectSpreadScenarios.ts, 11, 3))
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>update : Symbol(update, Decl(objectSpreadScenarios.ts, 14, 19))
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host.update({ a: false });
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>host.update : Symbol(update, Decl(objectSpreadScenarios.ts, 14, 19))
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>host : Symbol(host, Decl(objectSpreadScenarios.ts, 14, 3))
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>update : Symbol(update, Decl(objectSpreadScenarios.ts, 14, 19))
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>a : Symbol(a, Decl(objectSpreadScenarios.ts, 15, 13))
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let mixed = mixin(a1, b1);
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>mixed : Symbol(mixed, Decl(objectSpreadScenarios.ts, 16, 3))
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>mixin : Symbol(mixin, Decl(objectSpreadScenarios.ts, 7, 1))
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>a1 : Symbol(a1, Decl(objectSpreadScenarios.ts, 11, 3))
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>b1 : Symbol(b1, Decl(objectSpreadScenarios.ts, 12, 3))
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‎tests/baselines/reference/objectSpreadScenarios.types

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=== tests/cases/conformance/types/spread/objectSpreadScenarios.ts ===
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interface A1 { a: boolean }
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>A1 : A1
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>a : boolean
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interface B1 { b: number };
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>B1 : B1
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>b : number
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function override<U>(initial: U, override: U): U {
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>override : <U>(initial: U, override: U) => U
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>U : U
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>initial : U
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>U : U
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>override : U
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>U : U
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>U : U
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return { ...initial, ...override };
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>{ ...initial, ...override } : { ...U; ...U }
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>initial : any
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>override : any
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}
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function update<U>(this: { u: U }, override: U): void {
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>update : <U>(this: { u: U; }, override: U) => void
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>U : U
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>this : { u: U; }
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>u : U
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>U : U
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>override : U
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>U : U
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this.u = { ...this.u, ...override };
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>this.u = { ...this.u, ...override } : { ...U; ...U }
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>this.u : U
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>this : { u: U; }
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>u : U
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>{ ...this.u, ...override } : { ...U; ...U }
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>this.u : U
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>this : { u: U; }
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>u : U
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>override : any
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}
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function mixin<T, U>(one: T, two: U): { ...T, ...U } {
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>mixin : <T, U>(one: T, two: U) => { ...T; ...U }
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>T : T
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>U : U
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>one : T
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>T : T
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>two : U
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>U : U
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>T : T
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>U : U
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return { ...one, ...two };
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>{ ...one, ...two } : { ...T; ...U }
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>one : any
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>two : any
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}
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let a1: A1 = { a: true };
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>a1 : A1
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>A1 : A1
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>{ a: true } : { a: true; }
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>a : boolean
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>true : true
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let b1: B1 = { b: 101 };
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>b1 : B1
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>B1 : B1
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>{ b: 101 } : { b: number; }
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>b : number
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>101 : 101
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a1 = override(a1, { a: false });
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>a1 = override(a1, { a: false }) : A1
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>a1 : A1
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>override(a1, { a: false }) : A1
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>override : <U>(initial: U, override: U) => U
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>a1 : A1
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>{ a: false } : { a: false; }
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>a : boolean
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>false : false
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let host = { u: a1, update };
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>host : { u: A1; update: <U>(this: { u: U; }, override: U) => void; }
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>{ u: a1, update } : { u: A1; update: <U>(this: { u: U; }, override: U) => void; }
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>u : A1
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>a1 : A1
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>update : <U>(this: { u: U; }, override: U) => void
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host.update({ a: false });
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>host.update({ a: false }) : void
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>host.update : <U>(this: { u: U; }, override: U) => void
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>host : { u: A1; update: <U>(this: { u: U; }, override: U) => void; }
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>update : <U>(this: { u: U; }, override: U) => void
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>{ a: false } : { a: false; }
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>a : boolean
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>false : false
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let mixed = mixin(a1, b1);
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>mixed : { ...A1; ...B1 }
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>mixin(a1, b1) : { ...A1; ...B1 }
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>mixin : <T, U>(one: T, two: U) => { ...T; ...U }
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>a1 : A1
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>b1 : B1
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‎tests/cases/conformance/types/spread/objectSpreadScenarios.ts

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interface A1 { a: boolean }
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interface B1 { b: number };
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function override<U>(initial: U, override: U): U {
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return { ...initial, ...override };
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}
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function update<U>(this: { u: U }, override: U): void {
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this.u = { ...this.u, ...override };
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}
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function mixin<T, U>(one: T, two: U): { ...T, ...U } {
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return { ...one, ...two };
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}
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let a1: A1 = { a: true };
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let b1: B1 = { b: 101 };
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a1 = override(a1, { a: false });
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let host = { u: a1, update };
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host.update({ a: false });
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let mixed = mixin(a1, b1);

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