max-string-length.js

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load(libdir + "asserts.js");

const MaxStringLength = 2**30 - 2;

// First check MaxStringLength is accurate.

assertThrowsInstanceOf(() =>  "a".repeat(MaxStringLength + 1),

                       RangeError);

// escape() must handle uint32_t overflow correctly.

var s = "\u0390".repeat(MaxStringLength);

assertEq(s.length, MaxStringLength);

var ex = null;

try {

    escape(s);

} catch (e) {

    ex = e;

assertEq(ex === "out of memory" || (ex instanceof InternalError), true);