src/v8/test/mjsunit/bitwise-operations-bools.js

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// Test bitwise operations with booleans.

var t = 1;

function testFalseLeftHandSide() {
  var b;
  if (t) b = false;
  assertEquals(b | 1, 1);
  assertEquals(b & 1, 0);
  assertEquals(b ^ 1, 1);
  assertEquals(b << 1, 0);
  assertEquals(b >> 1, 0);
  assertEquals(b >>> 1, 0);
}

function testFalseRightHandSide() {
  if (t) b = false;
  assertEquals(1 |   b, 1);
  assertEquals(1 &   b, 0);
  assertEquals(1 ^   b, 1);
  assertEquals(1 <<  b, 1);
  assertEquals(1 >>  b, 1);
  assertEquals(1 >>> b, 1);
}

function testTrueLeftHandSide() {
  if (t) b = true;
  assertEquals(b | 1, 1);
  assertEquals(b & 1, 1);
  assertEquals(b ^ 1, 0);
  assertEquals(b << 1, 2);
  assertEquals(b >> 1, 0);
  assertEquals(b >>> 1, 0);
}

function testTrueRightHandSide() {
  if (t) b = true;
  assertEquals(1 |   b, 1);
  assertEquals(1 &   b, 1);
  assertEquals(1 ^   b, 0);
  assertEquals(1 <<  b, 2);
  assertEquals(1 >>  b, 0);
  assertEquals(1 >>> b, 0);
}

function testBothSides() {
  if (t) a = true;
  if (t) b = false;
  assertEquals(a |   b, 1);
  assertEquals(a &   b, 0);
  assertEquals(a ^   b, 1);
  assertEquals(a <<  b, 1);
  assertEquals(a >>  b, 1);
  assertEquals(a >>> b, 1);
}


testFalseLeftHandSide();
testFalseRightHandSide();
testTrueLeftHandSide();
testTrueRightHandSide();
testFalseLeftHandSide();
testFalseRightHandSide();
testTrueLeftHandSide();
testTrueRightHandSide();
testBothSides();
testBothSides();