JSTests/stress/PrintStream-truncation-for-extremely-long-strings.js

//@ memoryHog!
//@ skip if $architecture == "arm"
//@ runDefault

let a = '?'.repeat(5000001);
var desc = describe(a);

/*
desc is expected to be a string that looks like this:
```
String,8Bit:(1),length:(5000001): ????????????????????????...[4999001 characters not shown], StructureID: 16777808
```
*/
if (!desc.startsWith("String,8Bit:(1),length:(5000001):"))
    throw "FAILED";
if (!desc.includes("????????????????????????...[4999001 characters not shown]"))
    throw "FAILED";