| assert_eq(8 or 9, 8) |
| assert_eq(0 or 9, 9) |
| assert_eq(8 and 9, 9) |
| assert_eq(0 and 9, 0) |
| |
| assert_eq(1 and 2 or 3, 2) |
| assert_eq(0 and 2 or 3, 3) |
| assert_eq(1 and 0 or 3, 3) |
| |
| assert_eq(1 or 2 and 3, 1) |
| assert_eq(0 or 2 and 3, 3) |
| assert_eq(0 or 0 and 3, 0) |
| assert_eq(1 or 0 and 3, 1) |
| |
| assert_eq(None and 1, None) |
| assert_eq("" or 9, 9) |
| assert_eq("abc" or 9, "abc") |
| |
| # check that fail() is not evaluated |
| assert_eq(8 or fail("do not execute"), 8) |
| assert_eq(0 and fail("do not execute"), 0) |
| |
| assert_eq(not 1, False) |
| assert_eq(not "", True) |
| |
| assert_eq(not 0 + 0, True) |
| assert_eq(not 2 - 1, False) |
| |
| assert_eq(not (0 and 0), True) |
| assert_eq(not (1 or 0), False) |
| |
| assert_eq(0 and not 0, 0) |
| assert_eq(not 0 and 0, 0) |
| |
| assert_eq(1 and not 0, True) |
| assert_eq(not 0 or 0, True) |
| |
| assert_eq(not 1 or 0, 0) |
| assert_eq(not 1 or 1, 1) |
| |
| assert_eq(not [], True) |
| assert_eq(not {"a": 1}, False) |
