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1
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1 void main()
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2 {
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3 printf("Bitwise operations test\n");
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4 { ushort a = 0xFFF0;
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5 ushort b = 0x0FFF;
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6 assert((a&b) == 0x0FF0);
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7 assert((a|b) == 0xFFFF);
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8 assert((a^b) == 0xF00F);
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9 }
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10 { ubyte a = 0xFF;
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11 ulong b = 0xFFFF_FFFF_FFFF_FFF0;
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12 assert((a&b) == 0xF0);
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13 }
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14 { ushort s = 0xFF;
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15 assert((s<<1) == s*2);
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16 assert((s>>>1) == s/2);
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17 }
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18 { int s = -10;
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19 assert((s>>1) == -5);
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20 assert((s>>>1) != -5);
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21 }
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22
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23 { ushort a = 0xFFF0;
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24 ushort b = 0x0FFF;
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25 auto t = a;
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26 t &= b;
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27 assert(t == 0x0FF0);
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28 t = a;
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29 t |= b;
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30 assert(t == 0xFFFF);
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31 t = a;
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32 t ^= b;
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33 assert(t == 0xF00F);
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34 }
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35 { ubyte a = 0xFF;
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36 ulong b = 0xFFFF_FFFF_FFFF_FFF0;
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37 a &= b;
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38 assert(a == 0xF0);
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39 }
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40 { ushort s = 0xFF;
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41 auto t = s;
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42 t <<= 1;
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43 assert(t == (s*2));
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44 t = s;
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45 t >>>= 1;
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46 assert(t == s/2);
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47 }
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48 { int s = -10;
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49 auto t = s;
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50 t >>= 1;
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51 assert(t == -5);
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52 t = s;
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53 t >>>= 1;
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54 assert(t != -5);
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55 }
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56 { struct S
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57 {
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58 uint i;
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59 ulong l;
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60 };
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61 S s = S(1,4);
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62 auto a = s.i | s.l;
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63 assert(a == 5);
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64 s.i = 0xFFFF_00FF;
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65 s.l = 0xFFFF_FFFF_0000_FF00;
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66 s.l ^= s.i;
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67 assert(s.l == ulong.max);
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68 s.i = 0x__FFFF_FF00;
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69 s.l = 0xFF00FF_FF00;
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70 s.i &= s.l;
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71 assert(s.i == 0x00FF_FF00);
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72 }
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73
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74 printf(" SUCCESS\n");
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75 }
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