// Validate heap sizes against system memory

const totalMemoryMB = Math.floor(os.totalmem() / 1024 / 1024);

const margin = 10; // 5% margin

const uint64Max = 2 ** 64 - 1;

const constrainedMemory = process.constrainedMemory();

const constrainedMemoryMB = Math.floor(constrainedMemory / 1024 / 1024);

const effectiveMemoryMB =

constrainedMemory > 0 && constrainedMemory !== uint64Max ? constrainedMemoryMB : totalMemoryMB;

const margin = 10; // 10% margin

testPercentages.forEach((percentage) => {

const upperLimit = totalMemoryMB * ((percentage + margin) / 100);

const upperLimit = effectiveMemoryMB * ((percentage + margin) / 100);

assert(

heapSizes[percentage] <= upperLimit,

`Heap size for ${percentage}% (${heapSizes[percentage]} MB) should not exceed upper limit (${upperLimit} MB)`

);

const lowerLimit = totalMemoryMB * ((percentage - margin) / 100);

const lowerLimit = effectiveMemoryMB * ((percentage - margin) / 100);

assert(

heapSizes[percentage] >= lowerLimit,

`Heap size for ${percentage}% (${heapSizes[percentage]} MB) should not be less than lower limit (${lowerLimit} MB)`