Line data Source code
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/objects-inl.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.
39 26644 : TEST(StrictUndeclaredGlobalVariable) {
40 10 : v8::HandleScope scope(CcTest::isolate());
41 5 : v8::Local<v8::String> var_name = v8_str("x");
42 5 : LocalContext context;
43 10 : v8::TryCatch try_catch(CcTest::isolate());
44 : v8::Local<v8::Script> script = v8_compile("\"use strict\"; x = 42;");
45 5 : v8::Local<v8::Object> proto = v8::Object::New(CcTest::isolate());
46 : v8::Local<v8::Object> global =
47 10 : context->Global()->GetPrototype().As<v8::Object>();
48 15 : proto->Set(context.local(), var_name, v8_num(100)).FromJust();
49 10 : global->SetPrototype(context.local(), proto).FromJust();
50 10 : CHECK(script->Run(context.local()).IsEmpty());
51 5 : CHECK(try_catch.HasCaught());
52 10 : v8::String::Utf8Value exception(CcTest::isolate(), try_catch.Exception());
53 5 : CHECK_EQ(0, strcmp("ReferenceError: x is not defined", *exception));
54 5 : }
55 :
56 :
57 26644 : TEST(KeysGlobalObject_Regress2764) {
58 5 : LocalContext env1;
59 10 : v8::HandleScope scope(env1->GetIsolate());
60 :
61 : // Create second environment.
62 5 : v8::Local<Context> env2 = Context::New(env1->GetIsolate());
63 :
64 5 : Local<Value> token = v8_str("foo");
65 :
66 : // Set same security token for env1 and env2.
67 5 : env1->SetSecurityToken(token);
68 5 : env2->SetSecurityToken(token);
69 :
70 : // Create a reference to env2 global from env1 global.
71 10 : env1->Global()
72 25 : ->Set(env1.local(), v8_str("global2"), env2->Global())
73 : .FromJust();
74 : // Set some global variables in global2
75 25 : env2->Global()->Set(env2, v8_str("a"), v8_str("a")).FromJust();
76 25 : 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 5 : CHECK_EQ(2u, result->Length());
82 20 : CHECK(
83 : v8_str("42")
84 : ->Equals(env1.local(), result->Get(env1.local(), 0).ToLocalChecked())
85 : .FromJust());
86 20 : 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 5 : 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 5 : env2->DetachGlobal();
100 :
101 : // List again all entries from the detached global2.
102 : result = Local<Array>::Cast(CompileRun("Object.keys(global2)"));
103 5 : CHECK_EQ(0u, result->Length());
104 : result =
105 : Local<Array>::Cast(CompileRun("Object.getOwnPropertyNames(global2)"));
106 5 : CHECK_EQ(0u, result->Length());
107 5 : }
108 :
109 26644 : TEST(KeysGlobalObject_SetPrototype) {
110 5 : LocalContext env1;
111 10 : v8::HandleScope scope(env1->GetIsolate());
112 :
113 : // Create second environment.
114 5 : v8::Local<Context> env2 = Context::New(env1->GetIsolate());
115 :
116 5 : Local<Value> token = v8_str("foo");
117 :
118 : // Set same security token for env1 and env2.
119 5 : env1->SetSecurityToken(token);
120 5 : env2->SetSecurityToken(token);
121 :
122 : // Create a reference to env2 global from env1 global.
123 10 : env1->Global()
124 10 : ->GetPrototype()
125 : .As<v8::Object>()
126 25 : ->SetPrototype(env1.local(), env2->Global()->GetPrototype())
127 : .FromJust();
128 : // Set some global variables in global2
129 25 : env2->Global()->Set(env2, v8_str("a"), v8_str("a")).FromJust();
130 25 : env2->Global()->Set(env2, v8_str("42"), v8_str("42")).FromJust();
131 :
132 : // List all entries from global2.
133 : ExpectTrue("a == 'a'");
134 79922 : }
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