tests/stress/dfg-to-primitive-pass-symbol.js

   1 var shouldThrow = false;
   2
   3 // str concat generates op_to_primitive.
   4 function toPrimitiveTarget() {
   5     if (shouldThrow) {
   6         return Symbol('Cocoa');
   7     }
   8     return 'Cocoa';
   9 }
  10 noInline(toPrimitiveTarget);
  11
  12 function doToPrimitive() {
  13     var value = toPrimitiveTarget();
  14     return value + "Cappuccino" + value;
  15 }
  16 noInline(doToPrimitive);
  17
  18 for (var i = 0; i < 10000; ++i) {
  19     var result = doToPrimitive();
  20     if (result !== "CocoaCappuccinoCocoa")
  21         throw "Error: bad result: " + result;
  22 }
  23
  24 shouldThrow = true;
  25
  26 var didThrow;
  27 try {
  28     shouldThrow = true;
  29     doToPrimitive();
  30 } catch (e) {
  31     didThrow = e;
  32 }
  33
  34 if (String(didThrow) !== "TypeError: Type error")
  35     throw "Error: didn't throw or threw wrong exception: " + didThrow;