1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28 #include "src/api.h"
29 #include "src/v8.h"
30 #include "test/cctest/cctest.h"
31
32 using ::v8::Array;
33 using ::v8::Context;
34 using ::v8::Local;
35 using ::v8::Value;
36
37 // This test fails if properties on the prototype of the global object appear
38 // as declared globals.
TEST(StrictUndeclaredGlobalVariable)39 TEST(StrictUndeclaredGlobalVariable) {
40 v8::HandleScope scope(CcTest::isolate());
41 v8::Local<v8::String> var_name = v8_str("x");
42 LocalContext context;
43 v8::TryCatch try_catch(CcTest::isolate());
44 v8::Local<v8::Script> script = v8_compile("\"use strict\"; x = 42;");
45 v8::Local<v8::Object> proto = v8::Object::New(CcTest::isolate());
46 v8::Local<v8::Object> global =
47 context->Global()->GetPrototype().As<v8::Object>();
48 proto->Set(context.local(), var_name, v8_num(100)).FromJust();
49 global->SetPrototype(context.local(), proto).FromJust();
50 CHECK(script->Run(context.local()).IsEmpty());
51 CHECK(try_catch.HasCaught());
52 v8::String::Utf8Value exception(try_catch.Exception());
53 CHECK_EQ(0, strcmp("ReferenceError: x is not defined", *exception));
54 }
55
56
TEST(KeysGlobalObject_Regress2764)57 TEST(KeysGlobalObject_Regress2764) {
58 LocalContext env1;
59 v8::HandleScope scope(env1->GetIsolate());
60
61 // Create second environment.
62 v8::Local<Context> env2 = Context::New(env1->GetIsolate());
63
64 Local<Value> token = v8_str("foo");
65
66 // Set same security token for env1 and env2.
67 env1->SetSecurityToken(token);
68 env2->SetSecurityToken(token);
69
70 // Create a reference to env2 global from env1 global.
71 env1->Global()
72 ->Set(env1.local(), v8_str("global2"), env2->Global())
73 .FromJust();
74 // Set some global variables in global2
75 env2->Global()->Set(env2, v8_str("a"), v8_str("a")).FromJust();
76 env2->Global()->Set(env2, v8_str("42"), v8_str("42")).FromJust();
77
78 // List all entries from global2.
79 Local<Array> result;
80 result = Local<Array>::Cast(CompileRun("Object.keys(global2)"));
81 CHECK_EQ(2u, result->Length());
82 CHECK(
83 v8_str("42")
84 ->Equals(env1.local(), result->Get(env1.local(), 0).ToLocalChecked())
85 .FromJust());
86 CHECK(
87 v8_str("a")
88 ->Equals(env1.local(), result->Get(env1.local(), 1).ToLocalChecked())
89 .FromJust());
90
91 result =
92 Local<Array>::Cast(CompileRun("Object.getOwnPropertyNames(global2)"));
93 CHECK_LT(2u, result->Length());
94 // Check that all elements are in the property names
95 ExpectTrue("-1 < Object.getOwnPropertyNames(global2).indexOf('42')");
96 ExpectTrue("-1 < Object.getOwnPropertyNames(global2).indexOf('a')");
97
98 // Hold on to global from env2 and detach global from env2.
99 env2->DetachGlobal();
100
101 // List again all entries from the detached global2.
102 result = Local<Array>::Cast(CompileRun("Object.keys(global2)"));
103 CHECK_EQ(0u, result->Length());
104 result =
105 Local<Array>::Cast(CompileRun("Object.getOwnPropertyNames(global2)"));
106 CHECK_EQ(0u, result->Length());
107 }
108