maxmustermann/TypeScript
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Add test case for instance of type guard with interface with prototype property

Browse source
This commit is contained in:
Sheetal Nandi 2014-11-12 12:36:06 -08:00
parent c0b26a9691
commit 45ca9d285f
3 changed files with 262 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

62
tests/baselines/reference/typeGuardOfFormInstanceOfOnInterface.js Normal file
View file

@ -0,0 +1,62 @@
//// [typeGuardOfFormInstanceOfOnInterface.ts]
// A type guard of the form x instanceof C, where C is of a subtype of the global type 'Function'
// and C has a property named 'prototype'
// - when true, narrows the type of x to the type of the 'prototype' property in C provided
// it is a subtype of the type of x, or
// - when false, has no effect on the type of x.
interface C1 {
(): C1;
prototype: C1;
p1: string;
}
interface C2 {
(): C2;
prototype: C2;
p2: number;
}
interface D1 extends C1 {
prototype: D1;
p3: number;
}
var str: string;
var num: number;
var strOrNum: string | number;
var c1: C1;
var c2: C2;
var d1: D1;
var c1Orc2: C1 | C2;
str = c1Orc2 instanceof c1 && c1Orc2.p1; // C1
num = c1Orc2 instanceof c2 && c1Orc2.p2; // C2
str = c1Orc2 instanceof d1 && c1Orc2.p1; // C1
num = c1Orc2 instanceof d1 && c1Orc2.p3; // D1
var c2Ord1: C2 | D1;
num = c2Ord1 instanceof c2 && c2Ord1.p2; // C2
num = c2Ord1 instanceof d1 && c2Ord1.p3; // D1
str = c2Ord1 instanceof d1 && c2Ord1.p1; // D1
var r2: D1 | C2 = c2Ord1 instanceof c1 && c2Ord1; // C2 | D1
//// [typeGuardOfFormInstanceOfOnInterface.js]
// A type guard of the form x instanceof C, where C is of a subtype of the global type 'Function'
// and C has a property named 'prototype'
// - when true, narrows the type of x to the type of the 'prototype' property in C provided
// it is a subtype of the type of x, or
// - when false, has no effect on the type of x.
var str;
var num;
var strOrNum;
var c1;
var c2;
var d1;
var c1Orc2;
str = c1Orc2 instanceof c1 && c1Orc2.p1; // C1
num = c1Orc2 instanceof c2 && c1Orc2.p2; // C2
str = c1Orc2 instanceof d1 && c1Orc2.p1; // C1
num = c1Orc2 instanceof d1 && c1Orc2.p3; // D1
var c2Ord1;
num = c2Ord1 instanceof c2 && c2Ord1.p2; // C2
num = c2Ord1 instanceof d1 && c2Ord1.p3; // D1
str = c2Ord1 instanceof d1 && c2Ord1.p1; // D1
var r2 = c2Ord1 instanceof c1 && c2Ord1; // C2 | D1

162
tests/baselines/reference/typeGuardOfFormInstanceOfOnInterface.types Normal file
View file

@ -0,0 +1,162 @@
=== tests/cases/conformance/expressions/typeGuards/typeGuardOfFormInstanceOfOnInterface.ts ===
// A type guard of the form x instanceof C, where C is of a subtype of the global type 'Function'
// and C has a property named 'prototype'
// - when true, narrows the type of x to the type of the 'prototype' property in C provided
// it is a subtype of the type of x, or
// - when false, has no effect on the type of x.
interface C1 {
>C1 : C1
(): C1;
>C1 : C1
prototype: C1;
>prototype : C1
>C1 : C1
p1: string;
>p1 : string
}
interface C2 {
>C2 : C2
(): C2;
>C2 : C2
prototype: C2;
>prototype : C2
>C2 : C2
p2: number;
>p2 : number
}
interface D1 extends C1 {
>D1 : D1
>C1 : C1
prototype: D1;
>prototype : D1
>D1 : D1
p3: number;
>p3 : number
}
var str: string;
>str : string
var num: number;
>num : number
var strOrNum: string | number;
>strOrNum : string | number
var c1: C1;
>c1 : C1
>C1 : C1
var c2: C2;
>c2 : C2
>C2 : C2
var d1: D1;
>d1 : D1
>D1 : D1
var c1Orc2: C1 | C2;
>c1Orc2 : C1 | C2
>C1 : C1
>C2 : C2
str = c1Orc2 instanceof c1 && c1Orc2.p1; // C1
>str = c1Orc2 instanceof c1 && c1Orc2.p1 : string
>str : string
>c1Orc2 instanceof c1 && c1Orc2.p1 : string
>c1Orc2 instanceof c1 : boolean
>c1Orc2 : C1 | C2
>c1 : C1
>c1Orc2.p1 : string
>c1Orc2 : C1
>p1 : string
num = c1Orc2 instanceof c2 && c1Orc2.p2; // C2
>num = c1Orc2 instanceof c2 && c1Orc2.p2 : number
>num : number
>c1Orc2 instanceof c2 && c1Orc2.p2 : number
>c1Orc2 instanceof c2 : boolean
>c1Orc2 : C1 | C2
>c2 : C2
>c1Orc2.p2 : number
>c1Orc2 : C2
>p2 : number
str = c1Orc2 instanceof d1 && c1Orc2.p1; // C1
>str = c1Orc2 instanceof d1 && c1Orc2.p1 : string
>str : string
>c1Orc2 instanceof d1 && c1Orc2.p1 : string
>c1Orc2 instanceof d1 : boolean
>c1Orc2 : C1 | C2
>d1 : D1
>c1Orc2.p1 : string
>c1Orc2 : D1
>p1 : string
num = c1Orc2 instanceof d1 && c1Orc2.p3; // D1
>num = c1Orc2 instanceof d1 && c1Orc2.p3 : number
>num : number
>c1Orc2 instanceof d1 && c1Orc2.p3 : number
>c1Orc2 instanceof d1 : boolean
>c1Orc2 : C1 | C2
>d1 : D1
>c1Orc2.p3 : number
>c1Orc2 : D1
>p3 : number
var c2Ord1: C2 | D1;
>c2Ord1 : C2 | D1
>C2 : C2
>D1 : D1
num = c2Ord1 instanceof c2 && c2Ord1.p2; // C2
>num = c2Ord1 instanceof c2 && c2Ord1.p2 : number
>num : number
>c2Ord1 instanceof c2 && c2Ord1.p2 : number
>c2Ord1 instanceof c2 : boolean
>c2Ord1 : C2 | D1
>c2 : C2
>c2Ord1.p2 : number
>c2Ord1 : C2
>p2 : number
num = c2Ord1 instanceof d1 && c2Ord1.p3; // D1
>num = c2Ord1 instanceof d1 && c2Ord1.p3 : number
>num : number
>c2Ord1 instanceof d1 && c2Ord1.p3 : number
>c2Ord1 instanceof d1 : boolean
>c2Ord1 : C2 | D1
>d1 : D1
>c2Ord1.p3 : number
>c2Ord1 : D1
>p3 : number
str = c2Ord1 instanceof d1 && c2Ord1.p1; // D1
>str = c2Ord1 instanceof d1 && c2Ord1.p1 : string
>str : string
>c2Ord1 instanceof d1 && c2Ord1.p1 : string
>c2Ord1 instanceof d1 : boolean
>c2Ord1 : C2 | D1
>d1 : D1
>c2Ord1.p1 : string
>c2Ord1 : D1
>p1 : string
var r2: D1 | C2 = c2Ord1 instanceof c1 && c2Ord1; // C2 | D1
>r2 : C2 | D1
>D1 : D1
>C2 : C2
>c2Ord1 instanceof c1 && c2Ord1 : C2 | D1
>c2Ord1 instanceof c1 : boolean
>c2Ord1 : C2 | D1
>c1 : C1
>c2Ord1 : C2 | D1

38
tests/cases/conformance/expressions/typeGuards/typeGuardOfFormInstanceOfOnInterface.ts Normal file
View file

@ -0,0 +1,38 @@
// A type guard of the form x instanceof C, where C is of a subtype of the global type 'Function'
// and C has a property named 'prototype'
// - when true, narrows the type of x to the type of the 'prototype' property in C provided
// it is a subtype of the type of x, or
// - when false, has no effect on the type of x.
interface C1 {
(): C1;
prototype: C1;
p1: string;
}
interface C2 {
(): C2;
prototype: C2;
p2: number;
}
interface D1 extends C1 {
prototype: D1;
p3: number;
}
var str: string;
var num: number;
var strOrNum: string | number;
var c1: C1;
var c2: C2;
var d1: D1;
var c1Orc2: C1 | C2;
str = c1Orc2 instanceof c1 && c1Orc2.p1; // C1
num = c1Orc2 instanceof c2 && c1Orc2.p2; // C2
str = c1Orc2 instanceof d1 && c1Orc2.p1; // C1
num = c1Orc2 instanceof d1 && c1Orc2.p3; // D1
var c2Ord1: C2 | D1;
num = c2Ord1 instanceof c2 && c2Ord1.p2; // C2
num = c2Ord1 instanceof d1 && c2Ord1.p3; // D1
str = c2Ord1 instanceof d1 && c2Ord1.p1; // D1
var r2: D1 | C2 = c2Ord1 instanceof c1 && c2Ord1; // C2 | D1