test/mjsunit/compiler/logical-or.js

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function OrBB(x,y) {
  return (x == 0) || (y == 0);
}

function OrBN(x,y) {
  return (x == 0) || y;
}

function OrNB(x,y) {
  return x || (y == 0);
}

function OrNN(x,y) {
  return x || y;
}

assertTrue(OrBB(0, 0));
assertTrue(OrBB(1, 0));
assertTrue(OrBB(0, 1));
assertFalse(OrBB(1, 1));

assertTrue(OrBN(0, 0));
assertEquals(0, OrBN(1, 0));
assertTrue(OrBN(0, 1));
assertEquals(1, OrBN(1, 1));
assertEquals(2, OrBN(1, 2));

assertTrue(OrNB(0, 0));
assertEquals(1, OrNB(1, 0));
assertFalse(OrNB(0, 1));
assertEquals(1, OrNB(1, 1));
assertEquals(2, OrNB(2, 1));

assertEquals(0, OrNN(0, 0));
assertEquals(1, OrNN(1, 0));
assertEquals(2, OrNN(2, 0));
assertEquals(1, OrNN(0, 1));
assertEquals(2, OrNN(0, 2));
assertEquals(1, OrNN(1, 2));