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Anders Hejlsberg 2017-11-20 15:08:33 -08:00
parent 54d35b926a
commit 02fd11e3bd
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113
tests/baselines/reference/definiteAssignmentAssertions.errors.txt Normal file
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tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(5,5): error TS2564: Property 'b' has no initializer and is not definitely assigned in the constructor.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(20,6): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(21,6): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(22,13): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(28,6): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(34,15): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(68,10): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(69,10): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(70,10): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(75,15): error TS1255: A definite assignment assertion '!' is not permitted in this context.
tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts(76,15): error TS1255: A definite assignment assertion '!' is not permitted in this context.
==== tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts (11 errors) ====
// Suppress strict property initialization check
class C1 {
a!: number;
b: string; // Error
~
!!! error TS2564: Property 'b' has no initializer and is not definitely assigned in the constructor.
}
// Suppress definite assignment check in constructor
class C2 {
a!: number;
constructor() {
let x = this.a;
}
}
// Definite assignment assertion requires type annotation, no initializer, no static modifier
class C3 {
a! = 1;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
b!: number = 1;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
static c!: number;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
}
// Definite assignment assertion not permitted in ambient context
declare class C4 {
a!: number;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
}
// Definite assignment assertion not permitted on abstract property
abstract class C5 {
abstract a!: number;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
}
// Suppress definite assignment check for variable
function f1() {
let x!: number;
let y = x;
var a!: number;
var b = a;
}
function f2() {
let x!: string | number;
if (typeof x === "string") {
let s: string = x;
}
else {
let n: number = x;
}
}
function f3() {
let x!: number;
const g = () => {
x = 1;
}
g();
let y = x;
}
// Definite assignment assertion requires type annotation and no initializer
function f4() {
let a!;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
let b! = 1;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
let c!: number = 1;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
}
// Definite assignment assertion not permitted in ambient context
declare let v1!: number;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.
declare var v2!: number;
~
!!! error TS1255: A definite assignment assertion '!' is not permitted in this context.

166
tests/baselines/reference/definiteAssignmentAssertions.js Normal file
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//// [definiteAssignmentAssertions.ts]
// Suppress strict property initialization check
class C1 {
a!: number;
b: string; // Error
}
// Suppress definite assignment check in constructor
class C2 {
a!: number;
constructor() {
let x = this.a;
}
}
// Definite assignment assertion requires type annotation, no initializer, no static modifier
class C3 {
a! = 1;
b!: number = 1;
static c!: number;
}
// Definite assignment assertion not permitted in ambient context
declare class C4 {
a!: number;
}
// Definite assignment assertion not permitted on abstract property
abstract class C5 {
abstract a!: number;
}
// Suppress definite assignment check for variable
function f1() {
let x!: number;
let y = x;
var a!: number;
var b = a;
}
function f2() {
let x!: string | number;
if (typeof x === "string") {
let s: string = x;
}
else {
let n: number = x;
}
}
function f3() {
let x!: number;
const g = () => {
x = 1;
}
g();
let y = x;
}
// Definite assignment assertion requires type annotation and no initializer
function f4() {
let a!;
let b! = 1;
let c!: number = 1;
}
// Definite assignment assertion not permitted in ambient context
declare let v1!: number;
declare var v2!: number;
//// [definiteAssignmentAssertions.js]
"use strict";
// Suppress strict property initialization check
var C1 = /** @class */ (function () {
function C1() {
}
return C1;
}());
// Suppress definite assignment check in constructor
var C2 = /** @class */ (function () {
function C2() {
var x = this.a;
}
return C2;
}());
// Definite assignment assertion requires type annotation, no initializer, no static modifier
var C3 = /** @class */ (function () {
function C3() {
this.a = 1;
this.b = 1;
}
return C3;
}());
// Definite assignment assertion not permitted on abstract property
var C5 = /** @class */ (function () {
function C5() {
}
return C5;
}());
// Suppress definite assignment check for variable
function f1() {
var x;
var y = x;
var a;
var b = a;
}
function f2() {
var x;
if (typeof x === "string") {
var s = x;
}
else {
var n = x;
}
}
function f3() {
var x;
var g = function () {
x = 1;
};
g();
var y = x;
}
// Definite assignment assertion requires type annotation and no initializer
function f4() {
var a;
var b = 1;
var c = 1;
}
//// [definiteAssignmentAssertions.d.ts]
declare class C1 {
a: number;
b: string;
}
declare class C2 {
a: number;
constructor();
}
declare class C3 {
a: number;
b: number;
static c: number;
}
declare class C4 {
a: number;
}
declare abstract class C5 {
abstract a: number;
}
declare function f1(): void;
declare function f2(): void;
declare function f3(): void;
declare function f4(): void;
declare let v1: number;
declare var v2: number;

146
tests/baselines/reference/definiteAssignmentAssertions.symbols Normal file
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=== tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts ===
// Suppress strict property initialization check
class C1 {
>C1 : Symbol(C1, Decl(definiteAssignmentAssertions.ts, 0, 0))
a!: number;
>a : Symbol(C1.a, Decl(definiteAssignmentAssertions.ts, 2, 10))
b: string; // Error
>b : Symbol(C1.b, Decl(definiteAssignmentAssertions.ts, 3, 15))
}
// Suppress definite assignment check in constructor
class C2 {
>C2 : Symbol(C2, Decl(definiteAssignmentAssertions.ts, 5, 1))
a!: number;
>a : Symbol(C2.a, Decl(definiteAssignmentAssertions.ts, 9, 10))
constructor() {
let x = this.a;
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 12, 11))
>this.a : Symbol(C2.a, Decl(definiteAssignmentAssertions.ts, 9, 10))
>this : Symbol(C2, Decl(definiteAssignmentAssertions.ts, 5, 1))
>a : Symbol(C2.a, Decl(definiteAssignmentAssertions.ts, 9, 10))
}
}
// Definite assignment assertion requires type annotation, no initializer, no static modifier
class C3 {
>C3 : Symbol(C3, Decl(definiteAssignmentAssertions.ts, 14, 1))
a! = 1;
>a : Symbol(C3.a, Decl(definiteAssignmentAssertions.ts, 18, 10))
b!: number = 1;
>b : Symbol(C3.b, Decl(definiteAssignmentAssertions.ts, 19, 11))
static c!: number;
>c : Symbol(C3.c, Decl(definiteAssignmentAssertions.ts, 20, 19))
}
// Definite assignment assertion not permitted in ambient context
declare class C4 {
>C4 : Symbol(C4, Decl(definiteAssignmentAssertions.ts, 22, 1))
a!: number;
>a : Symbol(C4.a, Decl(definiteAssignmentAssertions.ts, 26, 18))
}
// Definite assignment assertion not permitted on abstract property
abstract class C5 {
>C5 : Symbol(C5, Decl(definiteAssignmentAssertions.ts, 28, 1))
abstract a!: number;
>a : Symbol(C5.a, Decl(definiteAssignmentAssertions.ts, 32, 19))
}
// Suppress definite assignment check for variable
function f1() {
>f1 : Symbol(f1, Decl(definiteAssignmentAssertions.ts, 34, 1))
let x!: number;
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 39, 7))
let y = x;
>y : Symbol(y, Decl(definiteAssignmentAssertions.ts, 40, 7))
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 39, 7))
var a!: number;
>a : Symbol(a, Decl(definiteAssignmentAssertions.ts, 41, 7))
var b = a;
>b : Symbol(b, Decl(definiteAssignmentAssertions.ts, 42, 7))
>a : Symbol(a, Decl(definiteAssignmentAssertions.ts, 41, 7))
}
function f2() {
>f2 : Symbol(f2, Decl(definiteAssignmentAssertions.ts, 43, 1))
let x!: string | number;
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 46, 7))
if (typeof x === "string") {
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 46, 7))
let s: string = x;
>s : Symbol(s, Decl(definiteAssignmentAssertions.ts, 48, 11))
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 46, 7))
}
else {
let n: number = x;
>n : Symbol(n, Decl(definiteAssignmentAssertions.ts, 51, 11))
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 46, 7))
}
}
function f3() {
>f3 : Symbol(f3, Decl(definiteAssignmentAssertions.ts, 53, 1))
let x!: number;
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 56, 7))
const g = () => {
>g : Symbol(g, Decl(definiteAssignmentAssertions.ts, 57, 9))
x = 1;
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 56, 7))
}
g();
>g : Symbol(g, Decl(definiteAssignmentAssertions.ts, 57, 9))
let y = x;
>y : Symbol(y, Decl(definiteAssignmentAssertions.ts, 61, 7))
>x : Symbol(x, Decl(definiteAssignmentAssertions.ts, 56, 7))
}
// Definite assignment assertion requires type annotation and no initializer
function f4() {
>f4 : Symbol(f4, Decl(definiteAssignmentAssertions.ts, 62, 1))
let a!;
>a : Symbol(a, Decl(definiteAssignmentAssertions.ts, 67, 7))
let b! = 1;
>b : Symbol(b, Decl(definiteAssignmentAssertions.ts, 68, 7))
let c!: number = 1;
>c : Symbol(c, Decl(definiteAssignmentAssertions.ts, 69, 7))
}
// Definite assignment assertion not permitted in ambient context
declare let v1!: number;
>v1 : Symbol(v1, Decl(definiteAssignmentAssertions.ts, 74, 11))
declare var v2!: number;
>v2 : Symbol(v2, Decl(definiteAssignmentAssertions.ts, 75, 11))

157
tests/baselines/reference/definiteAssignmentAssertions.types Normal file
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=== tests/cases/conformance/controlFlow/definiteAssignmentAssertions.ts ===
// Suppress strict property initialization check
class C1 {
>C1 : C1
a!: number;
>a : number
b: string; // Error
>b : string
}
// Suppress definite assignment check in constructor
class C2 {
>C2 : C2
a!: number;
>a : number
constructor() {
let x = this.a;
>x : number
>this.a : number
>this : this
>a : number
}
}
// Definite assignment assertion requires type annotation, no initializer, no static modifier
class C3 {
>C3 : C3
a! = 1;
>a : number
>1 : 1
b!: number = 1;
>b : number
>1 : 1
static c!: number;
>c : number
}
// Definite assignment assertion not permitted in ambient context
declare class C4 {
>C4 : C4
a!: number;
>a : number
}
// Definite assignment assertion not permitted on abstract property
abstract class C5 {
>C5 : C5
abstract a!: number;
>a : number
}
// Suppress definite assignment check for variable
function f1() {
>f1 : () => void
let x!: number;
>x : number
let y = x;
>y : number
>x : number
var a!: number;
>a : number
var b = a;
>b : number
>a : number
}
function f2() {
>f2 : () => void
let x!: string | number;
>x : string | number
if (typeof x === "string") {
>typeof x === "string" : boolean
>typeof x : "string" | "number" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : string | number
>"string" : "string"
let s: string = x;
>s : string
>x : string
}
else {
let n: number = x;
>n : number
>x : number
}
}
function f3() {
>f3 : () => void
let x!: number;
>x : number
const g = () => {
>g : () => void
>() => { x = 1; } : () => void
x = 1;
>x = 1 : 1
>x : number
>1 : 1
}
g();
>g() : void
>g : () => void
let y = x;
>y : number
>x : number
}
// Definite assignment assertion requires type annotation and no initializer
function f4() {
>f4 : () => void
let a!;
>a : any
let b! = 1;
>b : number
>1 : 1
let c!: number = 1;
>c : number
>1 : 1
}
// Definite assignment assertion not permitted in ambient context
declare let v1!: number;
>v1 : number
declare var v2!: number;
>v2 : number