NoStringBasedSetIntervalTestInput.ts

var typedStringVariable = 'string variable';
var functionVariable = () => {};
var anyVariable: any = () => {};
var createFunction: () => (() => void) = () => {
    return () => {};
}; // function that produces a function
var untypedCreateFunction: () => any = () => {}; // function that produces a function
var stringFunction: () => string = () => {
    return '';
}; // function that produces a string

// lambdas are OK
setInterval(() => {});
this.setInterval(() => {});
window.setInterval(() => {});
// functions are OK
setInterval(function() {});
this.setInterval(function() {});
window.setInterval(function() {});
// expressions of type function are OK
setInterval(functionVariable);
this.setInterval(functionVariable);
window.setInterval(functionVariable);
var a = setInterval(functionVariable);
var b = this.setInterval(functionVariable);
var c = window.setInterval(functionVariable);
setInterval(createFunction());
this.setInterval(createFunction());
window.setInterval(createFunction());

// this used to be a false positive.
function invokeInterval(functionArg: () => void) {
    setInterval(functionArg);
}

// these should all create violations
setInterval("var x = 'should fail'"); // example 1
setInterval(typedStringVariable); // example 2
setInterval(anyVariable); // example 3
setInterval(untypedCreateFunction()); // example 4
setInterval(stringFunction()); // example 5
this.setInterval("var x = 'should fail'"); // example 6
this.setInterval(typedStringVariable); // example 7
this.setInterval(anyVariable); // example 8
this.setInterval(untypedCreateFunction()); // example 9
this.setInterval(stringFunction()); // example 10
window.setInterval("var x = 'should fail'"); // example 11
window.setInterval(typedStringVariable); // example 12
window.setInterval(anyVariable); // example 13
window.setInterval(untypedCreateFunction()); // example 14
window.setInterval(stringFunction()); // example 15
function invokInterval2(stringArg: string) {
    setInterval(stringArg); // example 16
}
function invokeInterval3(anyArg: any) {
    setInterval(anyArg); // example 17
}