v8/test/mjsunit/compiler/literals-assignment.js

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// Tests for simple assignments and literals inside an anonymous function

// Test simple return statement.
assertEquals(8, eval("(function() { return 8; })()"));

// Test simple assignment
var code = "(function() {\
               var a;\
               a = 8;\
               return a;\
             })()";
assertEquals(8, eval(code));

code = "(function() {\
           var x;\
           x = 'abc';\
           return x;\
         })()";
assertEquals("abc", eval(code));

// Test assignment as an RHS expression

code = "(function() {\
           var x, y;\
           x = y = 8;\
           return x;\
         })()";
assertEquals(8, eval(code));


code = "(function() {\
           var x, y;\
           x = y = 8;\
           return y;\
         })()";
assertEquals(8, eval(code));


code = "(function() {\
           var x,y,z;\
           return x = y = z = 8;\
         })()";
assertEquals(8, eval(code));

// Test object literals.
var a, b;
code = "a = {x:8}";
eval(code);
assertEquals(8, a.x);

code = "b = {x:a, y:'abc'}";
eval(code);
assertEquals(a, b.x);
assertEquals(8, b.x.x);
assertEquals("abc", b.y);

code = "({x:8, y:9}); 10";
assertEquals(10, eval(code));

code = "({x:8, y:9})";
eval(code);
assertEquals(9, eval(code+".y"));

code = "a = {2:8, x:9}";
eval(code);
assertEquals(8, a[2]);
assertEquals(8, a["2"]);
assertEquals(9, a["x"]);

// Test regexp literals.

a = /abc/;

assertEquals(/abc/, a);

code = "/abc/; 8";
assertEquals(8, eval(code));