tests/cases/conformance/expressions/literals/literals.ts(9,10): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. tests/cases/conformance/expressions/literals/literals.ts(9,17): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. tests/cases/conformance/expressions/literals/literals.ts(10,9): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. tests/cases/conformance/expressions/literals/literals.ts(10,21): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. tests/cases/conformance/expressions/literals/literals.ts(20,9): error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. tests/cases/conformance/expressions/literals/literals.ts(25,10): error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. ==== tests/cases/conformance/expressions/literals/literals.ts (6 errors) ==== //typeof null is Null //typeof true is Boolean //typeof false is Boolean //typeof numeric literal is Number //typeof string literal is String //typeof regex literal is Regex var nu = null / null; ~~~~ !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. ~~~~ !!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. var u = undefined / undefined; ~~~~~~~~~ !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. ~~~~~~~~~ !!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type. var b: boolean; var b = true; var b = false; var n: number; var n = 1; var n = 1.0; var n = 1e4; var n = 001; // Error in ES5 ~~~ !!! error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. var n = 0x1; var n = -1; var n = -1.0; var n = -1e-4; var n = -003; // Error in ES5 ~~~ !!! error TS1085: Octal literals are not available when targeting ECMAScript 5 and higher. var n = -0x1; var s: string; var s = ''; var s = ""; var s = 'foo\ bar'; var s = "foo\ bar"; var r: RegExp; var r = /what/; var r = /\\\\/;