Function testElementType

deps/v8/test/mjsunit/asm/atomics-exchange.js:72–83

(taConstr, f, offset)

}

function testElementType(taConstr, f, offset) {
  clearArray();

  var ta = new taConstr(sab, offset);
  var name = Object.prototype.toString.call(ta);
  ta[0] = 0x7f;
  assertEquals(0x7f, f(0, 0xf), name);
  assertEquals(0xf, ta[0]);
  // out of bounds
  assertThrows(function() { f(-1, 0); });
  assertThrows(function() { f(ta.length, 0); });
}

function testElement(m, offset) {
  testElementType(Int8Array, m.exchangei8, offset);