michael@0: 
michael@0: /* Handle recompilation on overflow of inc/dec operations. */
michael@0: 
michael@0: function local()
michael@0: {
michael@0:   var j = 0x7ffffff0;
michael@0:   for (var i = 0; i < 100; i++)
michael@0:     j++;
michael@0:   assertEq(j, 2147483732);
michael@0: }
michael@0: local();
michael@0: 
michael@0: function olocal()
michael@0: {
michael@0:   var j = 0x7ffffff0;
michael@0:   for (var i = 0; i < 100; i++) {
michael@0:     if (j++ == 5000)
michael@0:       break;
michael@0:   }
michael@0:   assertEq(j, 2147483732);
michael@0: }
michael@0: olocal();
michael@0: 
michael@0: function arg(j)
michael@0: {
michael@0:   for (var i = 0; i < 100; i++)
michael@0:     j++;
michael@0:   assertEq(j, 2147483732);
michael@0: }
michael@0: arg(0x7ffffff0);
michael@0: 
michael@0: function oarg(j)
michael@0: {
michael@0:   for (var i = 0; i < 100; i++) {
michael@0:     if (j++ == 5000)
michael@0:       break;
michael@0:   }
michael@0:   assertEq(j, 2147483732);
michael@0: }
michael@0: oarg(0x7ffffff0);
michael@0: 
michael@0: // basic global inc/dec correctness
michael@0: var x = 1.23;
michael@0: x = x--;
michael@0: x = x++;
michael@0: x = ++x;
michael@0: x = --x;
michael@0: assertEq(x, 1.23);
michael@0: 
michael@0: var g = 0x7ffffff0;
michael@0: function glob()
michael@0: {
michael@0:   for (var i = 0; i < 100; i++)
michael@0:     g++;
michael@0:   assertEq(g, 2147483732);
michael@0: }
michael@0: glob();
michael@0: 
michael@0: function gname()
michael@0: {
michael@0:   n = 0x7ffffff0;
michael@0:   for (var i = 0; i < 100; i++)
michael@0:     n++;
michael@0:   assertEq(n, 2147483732);
michael@0: }
michael@0: gname();
michael@0: 
michael@0: function prop()
michael@0: {
michael@0:   var v = {f: 0x7ffffff0};
michael@0:   for (var i = 0; i < 100; i++)
michael@0:     v.f++;
michael@0:   assertEq(v.f, 2147483732);
michael@0: }
michael@0: prop();
michael@0: 
michael@0: function elem(v, f)
michael@0: {
michael@0:   for (var i = 0; i < 100; i++)
michael@0:     v[f]++;
michael@0:   assertEq(v.f, 2147483732);
michael@0: }
michael@0: elem({f: 0x7ffffff0}, "f");
michael@0: 
michael@0: function name()
michael@0: {
michael@0:   var v = 0x7ffffff0;
michael@0:   var i;
michael@0:   eval("for (i = 0; i < 100; i++) v++");
michael@0:   assertEq(v + 10, 2147483742);
michael@0: }
michael@0: name();