replace-rope-empty.js

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// |reftest| skip-if(!xulRuntime.shell)

var BUGNUMBER = 1509768;

var summary = "String#replace with an empty string pattern on a rope should prepend the replacement string.";

print(BUGNUMBER + ": " + summary);

// Rope is created when the string length >= 25.

//

// This testcase depends on that condition to reliably test the code for

// String#replace on a rope.

//

// Please rewrite this testcase when the following assertion fails.

assertEq(isRope("a".repeat(24)), false);

assertEq(isRope("a".repeat(25)), true);

// Not a rope.

assertEq("a".repeat(24).replace("", "foo"),

         "foo" + "a".repeat(24));

assertEq("a".repeat(24).replace("", ""),

         "a".repeat(24));

// A rope.

assertEq("a".repeat(25).replace("", "foo"),

         "foo" + "a".repeat(25));

assertEq("a".repeat(25).replace("", ""),

         "a".repeat(25));

if (typeof reportCompare === "function")

    reportCompare(true, true);