js/src/jsapi-tests/testSetProperty.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * vim: set ts=8 sw=4 et tw=99:
   3  */
   4
   5 #include "tests.h"
   6 #include "jsxdrapi.h"
   7
   8 static JSBool
   9 nativeGet(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
  10 {
  11     *vp = INT_TO_JSVAL(17);
  12     return JS_TRUE;
  13 }
  14
  15 BEGIN_TEST(testSetProperty_NativeGetterStubSetter)
  16 {
  17     jsvalRoot vobj(cx);
  18     JSObject *obj = JS_NewObject(cx, NULL, NULL, NULL);
  19     CHECK(obj);
  20     vobj = OBJECT_TO_JSVAL(obj);
  21
  22     CHECK(JS_DefineProperty(cx, global, "globalProp", vobj,
  23                             JS_PropertyStub, JS_StrictPropertyStub,
  24                             JSPROP_ENUMERATE));
  25
  26     CHECK(JS_DefineProperty(cx, obj, "prop", JSVAL_VOID,
  27                             nativeGet, JS_StrictPropertyStub,
  28                             JSPROP_SHARED));
  29
  30     EXEC("'use strict';                                     \n"
  31          "var error, passed = false;                        \n"
  32          "try                                               \n"
  33          "{                                                 \n"
  34          "  this.globalProp.prop = 42;                      \n"
  35          "  throw new Error('setting property succeeded!'); \n"
  36          "}                                                 \n"
  37          "catch (e)                                         \n"
  38          "{                                                 \n"
  39          "  error = e;                                      \n"
  40          "  if (e instanceof TypeError)                     \n"
  41          "    passed = true;                                \n"
  42          "}                                                 \n"
  43          "                                                  \n"
  44          "if (!passed)                                      \n"
  45          "  throw error;                                    \n");
  46
  47     EXEC("var error, passed = false;                        \n"
  48          "try                                               \n"
  49          "{                                                 \n"
  50          "  this.globalProp.prop = 42;                      \n"
  51          "  if (this.globalProp.prop === 17)                \n"
  52          "    passed = true;                                \n"
  53          "  else                                            \n"
  54          "    throw new Error('bad value after set!');      \n"
  55          "}                                                 \n"
  56          "catch (e)                                         \n"
  57          "{                                                 \n"
  58          "  error = e;                                      \n"
  59          "}                                                 \n"
  60          "                                                  \n"
  61          "if (!passed)                                      \n"
  62          "  throw error;                                    \n");
  63
  64     return true;
  65 }
  66 END_TEST(testSetProperty_NativeGetterStubSetter)
  67
  68 BEGIN_TEST(testSetProperty_InheritedGlobalSetter)
  69 {
  70     // This is a JSAPI test because jsapi-test globals do not have a resolve
  71     // hook and therefore can use the property cache in some cases where the
  72     // shell can't.
  73     JS_ASSERT(JS_GET_CLASS(cx, global)->resolve == &JS_ResolveStub);
  74
  75     CHECK(JS_DefineProperty(cx, global, "HOTLOOP", INT_TO_JSVAL(8), NULL, NULL, 0));
  76     EXEC("var n = 0;\n"
  77          "var global = this;\n"
  78          "function f() { n++; }\n"
  79          "Object.defineProperty(Object.prototype, 'x', {set: f});\n"
  80          "for (var i = 0; i < HOTLOOP; i++)\n"
  81          "    global.x = i;\n");
  82     EXEC("if (n != HOTLOOP)\n"
  83          "    throw 'FAIL';\n");
  84     return true;
  85 }
  86 END_TEST(testSetProperty_InheritedGlobalSetter)
  87