load("test-common.js"); try { assert(String.prototype.lastIndexOf.length === 1); assert("hello friends".lastIndexOf() === -1); assert("hello friends".lastIndexOf("e") === 9); assert("hello friends".lastIndexOf("e", -7) === -1); assert("hello friends".lastIndexOf("e", 100) === 9); assert("hello friends".lastIndexOf("") === 13); assert("hello friends".lastIndexOf("Z") === -1); assert("hello friends".lastIndexOf("serenity") === -1); assert("hello friends".lastIndexOf("", 4) === 4); assert("hello serenity friends".lastIndexOf("serenity") === 6); assert("hello serenity friends serenity".lastIndexOf("serenity") === 23); assert("hello serenity friends serenity".lastIndexOf("serenity", 14) === 6); assert("".lastIndexOf("") === 0); assert("".lastIndexOf("", 1) === 0); assert("".lastIndexOf("", -1) === 0); assert("hello friends serenity".lastIndexOf("h", 10) === 0); assert("hello friends serenity".lastIndexOf("l", 4) === 3); assert("hello friends serenity".lastIndexOf("s", 13) === 12); assert("hello".lastIndexOf("serenity") === -1); console.log("PASS"); } catch (err) { console.log("FAIL: " + err); }