1// Copyright 2010 the V8 project authors. All rights reserved.
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3// modification, are permitted provided that the following conditions are
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Adapted from test/mjsunit/compiler/variables.js
29
30#include <limits.h>
31
32#include "src/v8.h"
33
34#include "src/api.h"
35#include "src/base/platform/platform.h"
36#include "src/compilation-cache.h"
37#include "src/execution.h"
38#include "src/isolate.h"
39#include "src/parser.h"
40#include "src/snapshot.h"
41#include "src/unicode-inl.h"
42#include "src/utils.h"
43#include "test/cctest/cctest.h"
44
45using ::v8::Context;
46using ::v8::Extension;
47using ::v8::Function;
48using ::v8::FunctionTemplate;
49using ::v8::Handle;
50using ::v8::HandleScope;
51using ::v8::Local;
52using ::v8::Message;
53using ::v8::MessageCallback;
54using ::v8::Object;
55using ::v8::ObjectTemplate;
56using ::v8::Persistent;
57using ::v8::Script;
58using ::v8::StackTrace;
59using ::v8::String;
60using ::v8::TryCatch;
61using ::v8::Undefined;
62using ::v8::V8;
63using ::v8::Value;
64
65static void ExpectInt32(int32_t expected, Local<Value> result) {
66  CHECK(result->IsInt32());
67  CHECK_EQ(expected, result->Int32Value());
68}
69
70
71// Global variables.
72TEST(global_variables) {
73  LocalContext env;
74  v8::HandleScope scope(env->GetIsolate());
75  Local<Value> result = CompileRun(
76"var x = 0;"
77"function f0() { return x; }"
78"f0();");
79  ExpectInt32(0, result);
80}
81
82
83// Parameters.
84TEST(parameters) {
85  LocalContext env;
86  v8::HandleScope scope(env->GetIsolate());
87  Local<Value> result = CompileRun(
88"function f1(x) { return x; }"
89"f1(1);");
90  ExpectInt32(1, result);
91}
92
93
94// Stack-allocated locals.
95TEST(stack_allocated_locals) {
96  LocalContext env;
97  v8::HandleScope scope(env->GetIsolate());
98  Local<Value> result = CompileRun(
99"function f2() { var x = 2; return x; }"
100"f2();");
101  ExpectInt32(2, result);
102}
103
104
105// Context-allocated locals.  Local function forces x into f3's context.
106TEST(context_allocated_locals) {
107  LocalContext env;
108  v8::HandleScope scope(env->GetIsolate());
109  Local<Value> result = CompileRun(
110"function f3(x) {"
111"  function g() { return x; }"
112"  return x;"
113"}"
114"f3(3);");
115  ExpectInt32(3, result);
116}
117
118
119// Local function reads x from an outer context.
120TEST(read_from_outer_context) {
121  LocalContext env;
122  v8::HandleScope scope(env->GetIsolate());
123  Local<Value> result = CompileRun(
124"function f4(x) {"
125"  function g() { return x; }"
126"  return g();"
127"}"
128"f4(4);");
129  ExpectInt32(4, result);
130}
131
132
133// Local function reads x from an outer context.
134TEST(lookup_slots) {
135  LocalContext env;
136  v8::HandleScope scope(env->GetIsolate());
137  Local<Value> result = CompileRun(
138"function f5(x) {"
139"  with ({}) return x;"
140"}"
141"f5(5);");
142  ExpectInt32(5, result);
143}
144