1 // run-pass
2 #![allow(overflowing_literals)]
3 
4 #![feature(test)]
5 
6 extern crate test;
7 use test::black_box as b;
8 
main()9 fn main() {
10     let x: i128 = -1;
11     assert_eq!(0, !x);
12     let y: i128 = -2;
13     assert_eq!(!1, y);
14     let z: i128 = 0xABCD_EF;
15     assert_eq!(z * z, 0x734C_C2F2_A521);
16     assert_eq!(z * z * z * z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
17     assert_eq!(-z * -z, 0x734C_C2F2_A521);
18     assert_eq!(-z * -z * -z * -z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
19     assert_eq!(-z + -z + -z + -z, -0x2AF3_7BC);
20     let k: i128 = -0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210;
21     assert_eq!(k + k, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
22     assert_eq!(0, k - k);
23     assert_eq!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k + z);
24     assert_eq!(-0x1000_0000_0000_0000_0000_0000_0000_000,
25                k + 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
26     assert_eq!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k / 42);
27     assert_eq!(-k, k / -1);
28     assert_eq!(-0x91A2_B3C4_D5E6_F8, k >> 65);
29     assert_eq!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k << 65);
30     assert!(k < z);
31     assert!(y > k);
32     assert!(y < x);
33     assert_eq!(x as i64, -1);
34     assert_eq!(z as i64, 0xABCD_EF);
35     assert_eq!(k as i64, -0xFEDC_BA98_7654_3210);
36     assert_eq!(k as u128, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
37     assert_eq!(-k as u128, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
38     assert_eq!((-z as f64) as i128, -z);
39     assert_eq!((-z as f32) as i128, -z);
40     assert_eq!((-z as f64 * 16.0) as i128, -z * 16);
41     assert_eq!((-z as f32 * 16.0) as i128, -z * 16);
42     // Same stuff as above, but blackboxed, to force use of intrinsics
43     let x: i128 = b(-1);
44     assert_eq!(0, !x);
45     let y: i128 = b(-2);
46     assert_eq!(!1, y);
47     let z: i128 = b(0xABCD_EF);
48     assert_eq!(z * z, 0x734C_C2F2_A521);
49     assert_eq!(z * z * z * z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
50     assert_eq!(-z * -z, 0x734C_C2F2_A521);
51     assert_eq!(-z * -z * -z * -z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
52     assert_eq!(-z + -z + -z + -z, -0x2AF3_7BC);
53     let k: i128 = b(-0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
54     assert_eq!(k + k, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
55     assert_eq!(0, k - k);
56     assert_eq!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k + z);
57     assert_eq!(-0x1000_0000_0000_0000_0000_0000_0000_000,
58                k + 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
59     assert_eq!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k / 42);
60     assert_eq!(-k, k / -1);
61     assert_eq!(-0x91A2_B3C4_D5E6_F8, k >> 65);
62     assert_eq!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k << 65);
63     assert!(k < z);
64     assert!(y > k);
65     assert!(y < x);
66     assert_eq!(x as i64, -1);
67     assert_eq!(z as i64, 0xABCD_EF);
68     assert_eq!(k as i64, -0xFEDC_BA98_7654_3210);
69     assert_eq!(k as u128, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
70     assert_eq!(-k as u128, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
71     assert_eq!((-z as f64) as i128, -z);
72     assert_eq!((-z as f32) as i128, -z);
73     assert_eq!((-z as f64 * 16.0) as i128, -z * 16);
74     assert_eq!((-z as f32 * 16.0) as i128, -z * 16);
75     // formatting
76     let j: i128 = -(1 << 67);
77     assert_eq!("-147573952589676412928", format!("{}", j));
78     assert_eq!("fffffffffffffff80000000000000000", format!("{:x}", j));
79     assert_eq!("3777777777777777777760000000000000000000000", format!("{:o}", j));
80     assert_eq!("1111111111111111111111111111111111111111111111111111111111111\
81                 0000000000000000000000000000000000000000000000000000000000000000000",
82                format!("{:b}", j));
83     assert_eq!("-147573952589676412928", format!("{:?}", j));
84     // common traits
85     assert_eq!(x, b(x.clone()));
86     // overflow checks
87     assert_eq!((-z).checked_mul(-z), Some(0x734C_C2F2_A521));
88     assert_eq!((z).checked_mul(z), Some(0x734C_C2F2_A521));
89     assert_eq!((k).checked_mul(k), None);
90     let l: i128 = b(i128::MIN);
91     let o: i128 = b(17);
92     assert_eq!(l.checked_sub(b(2)), None);
93     assert_eq!(l.checked_add(l), None);
94     assert_eq!((-(l + 1)).checked_add(2), None);
95     assert_eq!(l.checked_sub(l), Some(0));
96     assert_eq!(b(1u128).checked_shl(b(127)), Some(1 << 127));
97     assert_eq!(o.checked_shl(b(128)), None);
98 
99     // https://github.com/rust-lang/rust/issues/41228
100     assert_eq!(b(-87559967289969187895646876466835277875_i128) /
101                b(84285771033834995895337664386045050880_i128),
102                -1i128);
103 
104     // iter-arithmetic traits
105     assert_eq!(10i128, [1i128, 2, 3, 4].iter().sum());
106     assert_eq!(24i128, [1i128, 2, 3, 4].iter().product());
107 }
108