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ahejlsbergahejlsberg
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Adding test for excess/missing properties
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‎tests/baselines/reference/missingAndExcessProperties.errors.txt

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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(3,11): error TS2459: Type '{}' has no property 'x' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(3,14): error TS2459: Type '{}' has no property 'y' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(4,18): error TS2459: Type '{ x?: number; }' has no property 'y' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(5,11): error TS2459: Type '{ y?: number; }' has no property 'x' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(12,8): error TS2459: Type '{}' has no property 'x' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(12,11): error TS2459: Type '{}' has no property 'y' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(13,18): error TS2459: Type '{ x?: number; }' has no property 'y' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(14,8): error TS2459: Type '{ y?: number; }' has no property 'x' and no string index signature.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(20,17): error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{}'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(20,23): error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{}'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(21,25): error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{ x: any; }'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(22,19): error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{ y: any; }'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(29,14): error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{}'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(29,20): error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{}'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(30,22): error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{ x: number; }'.
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tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts(31,16): error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{ y: number; }'.
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==== tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts (16 errors) ====
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// Missing properties
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function f1() {
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var { x, y } = {};
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~
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!!! error TS2459: Type '{}' has no property 'x' and no string index signature.
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~
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!!! error TS2459: Type '{}' has no property 'y' and no string index signature.
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var { x = 1, y } = {};
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~
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!!! error TS2459: Type '{ x?: number; }' has no property 'y' and no string index signature.
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var { x, y = 1 } = {};
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~
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!!! error TS2459: Type '{ y?: number; }' has no property 'x' and no string index signature.
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var { x = 1, y = 1 } = {};
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}
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// Missing properties
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function f2() {
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var x: number, y: number;
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({ x, y } = {});
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~
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!!! error TS2459: Type '{}' has no property 'x' and no string index signature.
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~
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!!! error TS2459: Type '{}' has no property 'y' and no string index signature.
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({ x: x = 1, y } = {});
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~
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!!! error TS2459: Type '{ x?: number; }' has no property 'y' and no string index signature.
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({ x, y: y = 1 } = {});
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~
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!!! error TS2459: Type '{ y?: number; }' has no property 'x' and no string index signature.
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({ x: x = 1, y: y = 1 } = {});
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}
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// Excess properties
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function f3() {
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var { } = { x: 0, y: 0 };
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~
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!!! error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{}'.
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~
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!!! error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{}'.
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var { x } = { x: 0, y: 0 };
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~
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!!! error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{ x: any; }'.
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var { y } = { x: 0, y: 0 };
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~
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!!! error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{ y: any; }'.
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var { x, y } = { x: 0, y: 0 };
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}
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// Excess properties
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function f4() {
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var x: number, y: number;
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({ } = { x: 0, y: 0 });
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~
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!!! error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{}'.
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~
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!!! error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{}'.
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({ x } = { x: 0, y: 0 });
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~
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!!! error TS2353: Object literal may only specify known properties, and 'y' does not exist in type '{ x: number; }'.
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({ y } = { x: 0, y: 0 });
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~
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!!! error TS2353: Object literal may only specify known properties, and 'x' does not exist in type '{ y: number; }'.
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({ x, y } = { x: 0, y: 0 });
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}
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‎tests/baselines/reference/missingAndExcessProperties.js

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//// [missingAndExcessProperties.ts]
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// Missing properties
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function f1() {
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var { x, y } = {};
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var { x = 1, y } = {};
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var { x, y = 1 } = {};
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var { x = 1, y = 1 } = {};
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}
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// Missing properties
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function f2() {
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var x: number, y: number;
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({ x, y } = {});
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({ x: x = 1, y } = {});
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({ x, y: y = 1 } = {});
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({ x: x = 1, y: y = 1 } = {});
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}
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// Excess properties
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function f3() {
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var { } = { x: 0, y: 0 };
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var { x } = { x: 0, y: 0 };
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var { y } = { x: 0, y: 0 };
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var { x, y } = { x: 0, y: 0 };
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}
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// Excess properties
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function f4() {
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var x: number, y: number;
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({ } = { x: 0, y: 0 });
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({ x } = { x: 0, y: 0 });
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({ y } = { x: 0, y: 0 });
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({ x, y } = { x: 0, y: 0 });
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}
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//// [missingAndExcessProperties.js]
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// Missing properties
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function f1() {
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var _a = {}, x = _a.x, y = _a.y;
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var _b = {}, _c = _b.x, x = _c === void 0 ? 1 : _c, y = _b.y;
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var _d = {}, x = _d.x, _e = _d.y, y = _e === void 0 ? 1 : _e;
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var _f = {}, _g = _f.x, x = _g === void 0 ? 1 : _g, _h = _f.y, y = _h === void 0 ? 1 : _h;
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}
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// Missing properties
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function f2() {
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var x, y;
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(_a = {}, x = _a.x, y = _a.y, _a);
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(_b = {}, _c = _b.x, x = _c === void 0 ? 1 : _c, y = _b.y, _b);
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(_d = {}, x = _d.x, _e = _d.y, y = _e === void 0 ? 1 : _e, _d);
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(_f = {}, _g = _f.x, x = _g === void 0 ? 1 : _g, _h = _f.y, y = _h === void 0 ? 1 : _h, _f);
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var _a, _b, _c, _d, _e, _f, _g, _h;
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}
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// Excess properties
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function f3() {
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var _a = { x: 0, y: 0 };
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var x = { x: 0, y: 0 }.x;
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var y = { x: 0, y: 0 }.y;
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var _b = { x: 0, y: 0 }, x = _b.x, y = _b.y;
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}
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// Excess properties
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function f4() {
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var x, y;
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({ x: 0, y: 0 });
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(_a = { x: 0, y: 0 }, x = _a.x, _a);
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(_b = { x: 0, y: 0 }, y = _b.y, _b);
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(_c = { x: 0, y: 0 }, x = _c.x, y = _c.y, _c);
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var _a, _b, _c;
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}

‎tests/cases/conformance/es6/destructuring/missingAndExcessProperties.ts

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// Missing properties
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function f1() {
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var { x, y } = {};
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var { x = 1, y } = {};
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var { x, y = 1 } = {};
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var { x = 1, y = 1 } = {};
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}
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// Missing properties
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function f2() {
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var x: number, y: number;
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({ x, y } = {});
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({ x: x = 1, y } = {});
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({ x, y: y = 1 } = {});
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({ x: x = 1, y: y = 1 } = {});
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}
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// Excess properties
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function f3() {
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var { } = { x: 0, y: 0 };
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var { x } = { x: 0, y: 0 };
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var { y } = { x: 0, y: 0 };
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var { x, y } = { x: 0, y: 0 };
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}
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// Excess properties
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function f4() {
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var x: number, y: number;
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({ } = { x: 0, y: 0 });
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({ x } = { x: 0, y: 0 });
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({ y } = { x: 0, y: 0 });
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({ x, y } = { x: 0, y: 0 });
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}

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