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 <limits.h>
29
30 #include "src/v8.h"
31
32 #include "src/api.h"
33 #include "src/base/platform/platform.h"
34 #include "src/compilation-cache.h"
35 #include "src/execution.h"
36 #include "src/isolate.h"
37 #include "src/parsing/parser.h"
38 #include "src/unicode-inl.h"
39 #include "src/utils.h"
40 #include "test/cctest/cctest.h"
41
42 using ::v8::Context;
43 using ::v8::Extension;
44 using ::v8::Function;
45 using ::v8::FunctionTemplate;
46 using ::v8::HandleScope;
47 using ::v8::Local;
48 using ::v8::Message;
49 using ::v8::MessageCallback;
50 using ::v8::Object;
51 using ::v8::ObjectTemplate;
52 using ::v8::Persistent;
53 using ::v8::Script;
54 using ::v8::StackTrace;
55 using ::v8::String;
56 using ::v8::TryCatch;
57 using ::v8::Undefined;
58 using ::v8::V8;
59 using ::v8::Value;
60
ExpectBoolean(Local<Context> context,bool expected,Local<Value> result)61 static void ExpectBoolean(Local<Context> context, bool expected,
62 Local<Value> result) {
63 CHECK(result->IsBoolean());
64 CHECK_EQ(expected, result->BooleanValue(context).FromJust());
65 }
66
67
ExpectInt32(Local<Context> context,int32_t expected,Local<Value> result)68 static void ExpectInt32(Local<Context> context, int32_t expected,
69 Local<Value> result) {
70 CHECK(result->IsInt32());
71 CHECK_EQ(expected, result->Int32Value(context).FromJust());
72 }
73
74
ExpectNumber(Local<Context> context,double expected,Local<Value> result)75 static void ExpectNumber(Local<Context> context, double expected,
76 Local<Value> result) {
77 CHECK(result->IsNumber());
78 CHECK_EQ(expected, result->NumberValue(context).FromJust());
79 }
80
81
ExpectUndefined(Local<Value> result)82 static void ExpectUndefined(Local<Value> result) {
83 CHECK(result->IsUndefined());
84 }
85
86
87 // Tests are sorted by order of implementation.
88
TEST(simple_value)89 TEST(simple_value) {
90 LocalContext env;
91 v8::HandleScope scope(env->GetIsolate());
92 Local<Value> result = CompileRun("0x271828;");
93 ExpectInt32(env.local(), 0x271828, result);
94 }
95
96
TEST(global_variable)97 TEST(global_variable) {
98 LocalContext env;
99 v8::HandleScope scope(env->GetIsolate());
100 Local<Value> result = CompileRun("var my_global_var = 0x123; my_global_var;");
101 ExpectInt32(env.local(), 0x123, result);
102 }
103
104
TEST(simple_function_call)105 TEST(simple_function_call) {
106 LocalContext env;
107 v8::HandleScope scope(env->GetIsolate());
108 Local<Value> result = CompileRun(
109 "function foo() { return 0x314; }"
110 "foo();");
111 ExpectInt32(env.local(), 0x314, result);
112 }
113
114
TEST(binary_op)115 TEST(binary_op) {
116 LocalContext env;
117 v8::HandleScope scope(env->GetIsolate());
118 Local<Value> result = CompileRun(
119 "function foo() {"
120 " var a = 0x1200;"
121 " var b = 0x0035;"
122 " return 2 * (a + b - 1);"
123 "}"
124 "foo();");
125 ExpectInt32(env.local(), 0x2468, result);
126 }
127
if_comparison_testcontext_helper(Local<Context> context,char const * op,char const * lhs,char const * rhs,int expect)128 static void if_comparison_testcontext_helper(Local<Context> context,
129 char const* op, char const* lhs,
130 char const* rhs, int expect) {
131 char buffer[256];
132 snprintf(buffer, sizeof(buffer),
133 "var lhs = %s;"
134 "var rhs = %s;"
135 "if ( lhs %s rhs ) { 1; }"
136 "else { 0; }",
137 lhs, rhs, op);
138 Local<Value> result = CompileRun(buffer);
139 ExpectInt32(context, expect, result);
140 }
141
if_comparison_effectcontext_helper(Local<Context> context,char const * op,char const * lhs,char const * rhs,int expect)142 static void if_comparison_effectcontext_helper(Local<Context> context,
143 char const* op, char const* lhs,
144 char const* rhs, int expect) {
145 char buffer[256];
146 snprintf(buffer, sizeof(buffer),
147 "var lhs = %s;"
148 "var rhs = %s;"
149 "var test = lhs %s rhs;"
150 "if ( test ) { 1; }"
151 "else { 0; }",
152 lhs, rhs, op);
153 Local<Value> result = CompileRun(buffer);
154 ExpectInt32(context, expect, result);
155 }
156
if_comparison_helper(Local<Context> context,char const * op,int expect_when_lt,int expect_when_eq,int expect_when_gt)157 static void if_comparison_helper(Local<Context> context, char const* op,
158 int expect_when_lt, int expect_when_eq,
159 int expect_when_gt) {
160 // TODO(all): Non-SMI tests.
161
162 if_comparison_testcontext_helper(context, op, "1", "3", expect_when_lt);
163 if_comparison_testcontext_helper(context, op, "5", "5", expect_when_eq);
164 if_comparison_testcontext_helper(context, op, "9", "7", expect_when_gt);
165
166 if_comparison_effectcontext_helper(context, op, "1", "3", expect_when_lt);
167 if_comparison_effectcontext_helper(context, op, "5", "5", expect_when_eq);
168 if_comparison_effectcontext_helper(context, op, "9", "7", expect_when_gt);
169 }
170
171
TEST(if_comparison)172 TEST(if_comparison) {
173 LocalContext env;
174 v8::HandleScope scope(env->GetIsolate());
175
176 if_comparison_helper(env.local(), "<", 1, 0, 0);
177 if_comparison_helper(env.local(), "<=", 1, 1, 0);
178 if_comparison_helper(env.local(), "==", 0, 1, 0);
179 if_comparison_helper(env.local(), "===", 0, 1, 0);
180 if_comparison_helper(env.local(), ">=", 0, 1, 1);
181 if_comparison_helper(env.local(), ">", 0, 0, 1);
182 if_comparison_helper(env.local(), "!=", 1, 0, 1);
183 if_comparison_helper(env.local(), "!==", 1, 0, 1);
184 }
185
186
TEST(unary_plus)187 TEST(unary_plus) {
188 LocalContext env;
189 v8::HandleScope scope(env->GetIsolate());
190 Local<Value> result;
191 // SMI
192 result = CompileRun("var a = 1234; +a");
193 ExpectInt32(env.local(), 1234, result);
194 // Number
195 result = CompileRun("var a = 1234.5; +a");
196 ExpectNumber(env.local(), 1234.5, result);
197 // String (SMI)
198 result = CompileRun("var a = '1234'; +a");
199 ExpectInt32(env.local(), 1234, result);
200 // String (Number)
201 result = CompileRun("var a = '1234.5'; +a");
202 ExpectNumber(env.local(), 1234.5, result);
203 // Check side effects.
204 result = CompileRun("var a = 1234; +(a = 4321); a");
205 ExpectInt32(env.local(), 4321, result);
206 }
207
208
TEST(unary_minus)209 TEST(unary_minus) {
210 LocalContext env;
211 v8::HandleScope scope(env->GetIsolate());
212 Local<Value> result;
213 result = CompileRun("var a = 1234; -a");
214 ExpectInt32(env.local(), -1234, result);
215 result = CompileRun("var a = 1234.5; -a");
216 ExpectNumber(env.local(), -1234.5, result);
217 result = CompileRun("var a = 1234; -(a = 4321); a");
218 ExpectInt32(env.local(), 4321, result);
219 result = CompileRun("var a = '1234'; -a");
220 ExpectInt32(env.local(), -1234, result);
221 result = CompileRun("var a = '1234.5'; -a");
222 ExpectNumber(env.local(), -1234.5, result);
223 }
224
225
TEST(unary_void)226 TEST(unary_void) {
227 LocalContext env;
228 v8::HandleScope scope(env->GetIsolate());
229 Local<Value> result;
230 result = CompileRun("var a = 1234; void (a);");
231 ExpectUndefined(result);
232 result = CompileRun("var a = 0; void (a = 42); a");
233 ExpectInt32(env.local(), 42, result);
234 result = CompileRun("var a = 0; void (a = 42);");
235 ExpectUndefined(result);
236 }
237
238
TEST(unary_not)239 TEST(unary_not) {
240 LocalContext env;
241 v8::HandleScope scope(env->GetIsolate());
242 Local<Value> result;
243 result = CompileRun("var a = 1234; !a");
244 ExpectBoolean(env.local(), false, result);
245 result = CompileRun("var a = 0; !a");
246 ExpectBoolean(env.local(), true, result);
247 result = CompileRun("var a = 0; !(a = 1234); a");
248 ExpectInt32(env.local(), 1234, result);
249 result = CompileRun("var a = '1234'; !a");
250 ExpectBoolean(env.local(), false, result);
251 result = CompileRun("var a = ''; !a");
252 ExpectBoolean(env.local(), true, result);
253 result = CompileRun("var a = 1234; !!a");
254 ExpectBoolean(env.local(), true, result);
255 result = CompileRun("var a = 0; !!a");
256 ExpectBoolean(env.local(), false, result);
257 result = CompileRun("var a = 0; if ( !a ) { 1; } else { 0; }");
258 ExpectInt32(env.local(), 1, result);
259 result = CompileRun("var a = 1; if ( !a ) { 1; } else { 0; }");
260 ExpectInt32(env.local(), 0, result);
261 }
262