comparefn-nonfunction-call-throws.js

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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))

/*

  1. If _comparefn_ is not *undefined* and IsCallable(_comparefn_) is *false*, throw a *TypeError* exception.

...

*/

let sample = #[42, 43, 44, 45, 46];

let compareFnVals = [[null, "null"],

                     [true, "true"],

                     [false, "false"],

                     ['', "\'\'"],

                     [/a/g, "/a/g"],

                     [42, "42"],

                     [[], "[]"],

                     [{}, "{}"]];

for (pair of compareFnVals) {

    f = pair[0];

    errorMsg = "comparefn is: " + pair[1];

    assertThrowsInstanceOf(() => sample.withSorted(f),

                           TypeError, errorMsg);

reportCompare(0, 0);