tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(6,12): error TS2412: Property '"1"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(7,12): error TS2412: Property '"-1"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(8,12): error TS2412: Property '"-2.5"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(9,12): error TS2412: Property '"3.141592"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(10,12): error TS2412: Property '"1.2e-20"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(11,12): error TS2412: Property '"Infinity"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(12,12): error TS2412: Property '"-Infinity"' of type 'string' is not assignable to numeric index type 'number'.
tests/cases/compiler/propertiesAndIndexersForNumericNames.ts(13,12): error TS2412: Property '"NaN"' of type 'string' is not assignable to numeric index type 'number'.


==== tests/cases/compiler/propertiesAndIndexersForNumericNames.ts (8 errors) ====
    class C {
        [i: number]: number;
    
        // These all have numeric names; they should error
        // because their types are not compatible with the numeric indexer.
        public "1": string = "number"; // Error
               ~~~
!!! error TS2412: Property '"1"' of type 'string' is not assignable to numeric index type 'number'.
        public "-1": string = "negative number"; // Error
               ~~~~
!!! error TS2412: Property '"-1"' of type 'string' is not assignable to numeric index type 'number'.
        public "-2.5": string = "negative number"; // Error
               ~~~~~~
!!! error TS2412: Property '"-2.5"' of type 'string' is not assignable to numeric index type 'number'.
        public "3.141592": string = "pi-sitive number"; // Error
               ~~~~~~~~~~
!!! error TS2412: Property '"3.141592"' of type 'string' is not assignable to numeric index type 'number'.
        public "1.2e-20": string = "really small number"; // Error
               ~~~~~~~~~
!!! error TS2412: Property '"1.2e-20"' of type 'string' is not assignable to numeric index type 'number'.
        public "Infinity": string = "A gillion"; // Error
               ~~~~~~~~~~
!!! error TS2412: Property '"Infinity"' of type 'string' is not assignable to numeric index type 'number'.
        public "-Infinity": string = "Negative-a-gillion"; // Error
               ~~~~~~~~~~~
!!! error TS2412: Property '"-Infinity"' of type 'string' is not assignable to numeric index type 'number'.
        public "NaN": string = "not a number"; // Error
               ~~~~~
!!! error TS2412: Property '"NaN"' of type 'string' is not assignable to numeric index type 'number'.
        
        // These all have *partially* numeric names,
        // but should really be treated as plain string literals.
        public " 1": string = "leading space"; // No error
        public "1    ": string = "trailing space"; // No error
        public "": string = "no nothing"; // No error
        public "    ": string = "just space"; // No error
        public "1 0 1": string = "several numbers and spaces"; // No error
        public "hunter2": string = "not a password"; // No error
        public "+Infinity": string = "A gillion"; // No error
        public "+NaN": string = "not a positive number"; // No error
        public "-NaN": string = "not a negative number"; // No error
        
    
        // These fall into the above category, however, they are "trickier";
        // these all are *scanned* as numeric literals, but they are not written in
        // "canonical" numeric representations.
        public "+1": string = "positive number (for the paranoid)"; // No error
        public "1e0": string = "just one"; // No error
        public "-0": string = "just zero"; // No error
        public "-0e0": string = "just zero"; // No error
        public "0xF00D": string = "hex food"; // No error
        public "0xBEEF": string = "hex beef"; // No error
        public "0123": string = "oct 83"; // No error
        public "0o123": string = "explicit oct 83"; // No error
        public "0b101101001010": string = "explicit binary"; // No error
        public "0.000000000000000000012": string = "should've been in exponential form"; // No error
    }
    