Function test

deps/v8/test/mjsunit/number-tostring-subnormal.js:14–16

(binaryStringValue, double)

const zeros = count => '0'.repeat(count);

const test = (binaryStringValue, double) => {
  assertEquals(binaryStringValue, double.toString(2));
};

// 2**-1074
test(`0.${zeros(1073)}1`, Number.MIN_VALUE);