node/deps/v8/test/mjsunit/compiler/bigint-modulus.js

// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --allow-natives-syntax --turbofan --no-always-turbofan


(function OptimizeAndTest() {
  function fn(a, b) {
    return a % b;
  }

  %PrepareFunctionForOptimization(fn);
  assertEquals(3n, fn(3n, 4n));
  assertEquals(0n, fn(3n, 1n));
  assertEquals(2n, fn(2n ** 64n, 7n));

  %OptimizeFunctionOnNextCall(fn);
  assertEquals(3n, fn(3n, 4n));
  assertEquals(0n, fn(3n, 1n));
  assertEquals(-5n, fn(-32n, 9n));
  assertEquals(2n, fn(2n ** 64n, 7n));
  assertOptimized(fn);

  assertEquals(4, fn(32, 7));
  assertUnoptimized(fn);
})();

(function OptimizeAndTestDivZero() {
  function fn(a, b) {
    return a % b;
  }

  %PrepareFunctionForOptimization(fn);
  assertEquals(3n, fn(3n, 4n));
  assertEquals(2n, fn(2n ** 64n, 7n));

  %OptimizeFunctionOnNextCall(fn);
  assertEquals(2n, fn(2n ** 64n, 7n));
  assertOptimized(fn);

  assertThrows(() => fn(3n, 0n), RangeError);
  assertUnoptimized(fn);
})();