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=== tests/cases/compiler/commaOperatorLeftSideUnused.ts ===
var xx: any;
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
var yy: any;
>yy : Symbol(yy, Decl(commaOperatorLeftSideUnused.ts, 1, 3))
function fn() {
>fn : Symbol(fn, Decl(commaOperatorLeftSideUnused.ts, 1, 12))
let arr: any[] = [];
>arr : Symbol(arr, Decl(commaOperatorLeftSideUnused.ts, 4, 5))
switch(arr.length) {
>arr.length : Symbol(Array.length, Decl(lib.es5.d.ts, --, --))
>arr : Symbol(arr, Decl(commaOperatorLeftSideUnused.ts, 4, 5))
>length : Symbol(Array.length, Decl(lib.es5.d.ts, --, --))
// Should error
case 0, 1:
return 'zero or one';
default:
return 'more than one';
}
}
// Should error
let x = Math.pow((3, 5), 2);
>x : Symbol(x, Decl(commaOperatorLeftSideUnused.ts, 15, 3))
>Math.pow : Symbol(Math.pow, Decl(lib.es5.d.ts, --, --))
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>pow : Symbol(Math.pow, Decl(lib.es5.d.ts, --, --))
// Should error
let a = [(3 + 4), ((1 + 1, 8) * 4)];
>a : Symbol(a, Decl(commaOperatorLeftSideUnused.ts, 18, 3))
// Error cases
xx = (1, 2);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = ('', xx);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (/323/, 5);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (`wat`, 'ok'),
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (true, false);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (false, true);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (null, xx);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (undefined, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>undefined : Symbol(undefined)
xx = (() => {}, 'no');
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (function() { }, 100);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = ({}, {});
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (typeof xx, 'unused');
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = ([1, 2, x++], xx);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>x : Symbol(x, Decl(commaOperatorLeftSideUnused.ts, 15, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (xx!, xx);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (xx ? 3 : 4, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (3 + 4, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (!xx, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (~xx, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (-xx, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (+xx, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
// OK cases
xx = (xx ? x++ : 4, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>x : Symbol(x, Decl(commaOperatorLeftSideUnused.ts, 15, 3))
xx = (--xx, 3);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (xx = 3, 1);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = ((xx = 3), 5);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (xx+= 4, xx);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = ((xx+= 4), xx);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (Math.pow(3, 2), 4);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>Math.pow : Symbol(Math.pow, Decl(lib.es5.d.ts, --, --))
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>pow : Symbol(Math.pow, Decl(lib.es5.d.ts, --, --))
xx = (void xx, 10);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
xx = (xx as any, 100);
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
>xx : Symbol(xx, Decl(commaOperatorLeftSideUnused.ts, 0, 3))
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