projects/ldc: test/bitops.d comparison

[svn r5] Initial commit. Most things are very rough.

comparison

equal deleted inserted replaced

-:a9e71648e74d
+:c53b6e3fe49a
+void main()
+{
+printf("Bitwise operations test\n");
+{   ushort a = 0xFFF0;
+ushort b = 0x0FFF;
+assert((a&b) == 0x0FF0);
+assert((a|b) == 0xFFFF);
+assert((a^b) == 0xF00F);
+}
+{   ubyte a = 0xFF;
+ulong b = 0xFFFF_FFFF_FFFF_FFF0;
+assert((a&b) == 0xF0);
+}
+{   ushort s = 0xFF;
+assert((s<<1) == s*2);
+assert((s>>>1) == s/2);
+}
+{   int s = -10;
+assert((s>>1) == -5);
+assert((s>>>1) != -5);
+}
+{   ushort a = 0xFFF0;
+ushort b = 0x0FFF;
+auto t = a;
+t &= b;
+assert(t == 0x0FF0);
+t = a;
+t |= b;
+assert(t == 0xFFFF);
+t = a;
+t ^= b;
+assert(t == 0xF00F);
+}
+{   ubyte a = 0xFF;
+ulong b = 0xFFFF_FFFF_FFFF_FFF0;
+a &= b;
+assert(a == 0xF0);
+}
+{   ushort s = 0xFF;
+auto t = s;
+t <<= 1;
+assert(t == (s*2));
+t = s;
+t >>>= 1;
+assert(t == s/2);
+}
+{   int s = -10;
+auto t = s;
+t >>= 1;
+assert(t == -5);
+t = s;
+t >>>= 1;
+assert(t != -5);
+}
+{   struct S
+{
+uint i;
+ulong l;
+};
+S s = S(1,4);
+auto a = s.i | s.l;
+assert(a == 5);
+s.i = 0xFFFF_00FF;
+s.l = 0xFFFF_FFFF_0000_FF00;
+s.l ^= s.i;
+assert(s.l == ulong.max);
+s.i = 0x__FFFF_FF00;
+s.l = 0xFF00FF_FF00;
+s.i &= s.l;
+assert(s.i == 0x00FF_FF00);
+}
+printf("  SUCCESS\n");
+}

Mercurial > projects > ldc