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'use strict';
const common = require('../../common');
const binding = require(`./build/${common.buildType}/binding`);
const assert = require('assert');
const skipMessage = 'intensive toString tests due to memory confinements';
if (!common.enoughTestMem) {
common.skip(skipMessage);
return;
}
// v8 fails silently if string length > v8::String::kMaxLength
// v8::String::kMaxLength defined in v8.h
const kStringMaxLength = process.binding('buffer').kStringMaxLength;
try {
var buf = Buffer.allocUnsafe(kStringMaxLength * 2 + 2);
} catch (e) {
// If the exception is not due to memory confinement then rethrow it.
if (e.message !== 'Array buffer allocation failed') throw (e);
common.skip(skipMessage);
return;
}
// Ensure we have enough memory available for future allocations to succeed.
if (!binding.ensureAllocation(2 * kStringMaxLength)) {
common.skip(skipMessage);
return;
}
assert.throws(function() {
buf.toString('utf16le');
}, /"toString\(\)" failed/);