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27 
28 #include <limits.h>
29 
30 #include "src/init/v8.h"
31 
32 #include "src/api/api.h"
33 #include "src/base/platform/platform.h"
34 #include "src/codegen/compilation-cache.h"
35 #include "src/execution/execution.h"
36 #include "src/execution/isolate.h"
37 #include "src/objects/objects-inl.h"
38 #include "src/strings/unicode-inl.h"
39 #include "src/utils/utils.h"
40 #include "test/cctest/cctest.h"
41 
42 namespace v8 {
43 namespace internal {
44 namespace test_javascript_arm64 {
45 
ExpectBoolean(Local<v8::Context> context,bool expected,Local<Value> result)46 static void ExpectBoolean(Local<v8::Context> context, bool expected,
47                           Local<Value> result) {
48   CHECK(result->IsBoolean());
49   CHECK_EQ(expected, result->BooleanValue(context->GetIsolate()));
50 }
51 
ExpectInt32(Local<v8::Context> context,int32_t expected,Local<Value> result)52 static void ExpectInt32(Local<v8::Context> context, int32_t expected,
53                         Local<Value> result) {
54   CHECK(result->IsInt32());
55   CHECK_EQ(expected, result->Int32Value(context).FromJust());
56 }
57 
ExpectNumber(Local<v8::Context> context,double expected,Local<Value> result)58 static void ExpectNumber(Local<v8::Context> context, double expected,
59                          Local<Value> result) {
60   CHECK(result->IsNumber());
61   CHECK_EQ(expected, result->NumberValue(context).FromJust());
62 }
63 
64 
ExpectUndefined(Local<Value> result)65 static void ExpectUndefined(Local<Value> result) {
66   CHECK(result->IsUndefined());
67 }
68 
69 
70 // Tests are sorted by order of implementation.
71 
TEST(simple_value)72 TEST(simple_value) {
73   LocalContext env;
74   v8::HandleScope scope(env->GetIsolate());
75   Local<Value> result = CompileRun("0x271828;");
76   ExpectInt32(env.local(), 0x271828, result);
77 }
78 
79 
TEST(global_variable)80 TEST(global_variable) {
81   LocalContext env;
82   v8::HandleScope scope(env->GetIsolate());
83   Local<Value> result = CompileRun("var my_global_var = 0x123; my_global_var;");
84   ExpectInt32(env.local(), 0x123, result);
85 }
86 
87 
TEST(simple_function_call)88 TEST(simple_function_call) {
89   LocalContext env;
90   v8::HandleScope scope(env->GetIsolate());
91   Local<Value> result = CompileRun(
92       "function foo() { return 0x314; }"
93       "foo();");
94   ExpectInt32(env.local(), 0x314, result);
95 }
96 
97 
TEST(binary_op)98 TEST(binary_op) {
99   LocalContext env;
100   v8::HandleScope scope(env->GetIsolate());
101   Local<Value> result = CompileRun(
102       "function foo() {"
103       "  var a = 0x1200;"
104       "  var b = 0x0035;"
105       "  return 2 * (a + b - 1);"
106       "}"
107       "foo();");
108   ExpectInt32(env.local(), 0x2468, result);
109 }
110 
if_comparison_testcontext_helper(Local<v8::Context> context,char const * op,char const * lhs,char const * rhs,int expect)111 static void if_comparison_testcontext_helper(Local<v8::Context> context,
112                                              char const* op, char const* lhs,
113                                              char const* rhs, int expect) {
114   char buffer[256];
115   snprintf(buffer, sizeof(buffer),
116            "var lhs = %s;"
117            "var rhs = %s;"
118            "if ( lhs %s rhs ) { 1; }"
119            "else { 0; }",
120            lhs, rhs, op);
121   Local<Value> result = CompileRun(buffer);
122   ExpectInt32(context, expect, result);
123 }
124 
if_comparison_effectcontext_helper(Local<v8::Context> context,char const * op,char const * lhs,char const * rhs,int expect)125 static void if_comparison_effectcontext_helper(Local<v8::Context> context,
126                                                char const* op, char const* lhs,
127                                                char const* rhs, int expect) {
128   char buffer[256];
129   snprintf(buffer, sizeof(buffer),
130            "var lhs = %s;"
131            "var rhs = %s;"
132            "var test = lhs %s rhs;"
133            "if ( test ) { 1; }"
134            "else { 0; }",
135            lhs, rhs, op);
136   Local<Value> result = CompileRun(buffer);
137   ExpectInt32(context, expect, result);
138 }
139 
if_comparison_helper(Local<v8::Context> context,char const * op,int expect_when_lt,int expect_when_eq,int expect_when_gt)140 static void if_comparison_helper(Local<v8::Context> context, char const* op,
141                                  int expect_when_lt, int expect_when_eq,
142                                  int expect_when_gt) {
143   // TODO(all): Non-SMI tests.
144 
145   if_comparison_testcontext_helper(context, op, "1", "3", expect_when_lt);
146   if_comparison_testcontext_helper(context, op, "5", "5", expect_when_eq);
147   if_comparison_testcontext_helper(context, op, "9", "7", expect_when_gt);
148 
149   if_comparison_effectcontext_helper(context, op, "1", "3", expect_when_lt);
150   if_comparison_effectcontext_helper(context, op, "5", "5", expect_when_eq);
151   if_comparison_effectcontext_helper(context, op, "9", "7", expect_when_gt);
152 }
153 
154 
TEST(if_comparison)155 TEST(if_comparison) {
156   LocalContext env;
157   v8::HandleScope scope(env->GetIsolate());
158 
159   if_comparison_helper(env.local(), "<", 1, 0, 0);
160   if_comparison_helper(env.local(), "<=", 1, 1, 0);
161   if_comparison_helper(env.local(), "==", 0, 1, 0);
162   if_comparison_helper(env.local(), "===", 0, 1, 0);
163   if_comparison_helper(env.local(), ">=", 0, 1, 1);
164   if_comparison_helper(env.local(), ">", 0, 0, 1);
165   if_comparison_helper(env.local(), "!=", 1, 0, 1);
166   if_comparison_helper(env.local(), "!==", 1, 0, 1);
167 }
168 
169 
TEST(unary_plus)170 TEST(unary_plus) {
171   LocalContext env;
172   v8::HandleScope scope(env->GetIsolate());
173   Local<Value> result;
174   // SMI
175   result = CompileRun("var a = 1234; +a");
176   ExpectInt32(env.local(), 1234, result);
177   // Number
178   result = CompileRun("var a = 1234.5; +a");
179   ExpectNumber(env.local(), 1234.5, result);
180   // String (SMI)
181   result = CompileRun("var a = '1234'; +a");
182   ExpectInt32(env.local(), 1234, result);
183   // String (Number)
184   result = CompileRun("var a = '1234.5'; +a");
185   ExpectNumber(env.local(), 1234.5, result);
186   // Check side effects.
187   result = CompileRun("var a = 1234; +(a = 4321); a");
188   ExpectInt32(env.local(), 4321, result);
189 }
190 
191 
TEST(unary_minus)192 TEST(unary_minus) {
193   LocalContext env;
194   v8::HandleScope scope(env->GetIsolate());
195   Local<Value> result;
196   result = CompileRun("var a = 1234; -a");
197   ExpectInt32(env.local(), -1234, result);
198   result = CompileRun("var a = 1234.5; -a");
199   ExpectNumber(env.local(), -1234.5, result);
200   result = CompileRun("var a = 1234; -(a = 4321); a");
201   ExpectInt32(env.local(), 4321, result);
202   result = CompileRun("var a = '1234'; -a");
203   ExpectInt32(env.local(), -1234, result);
204   result = CompileRun("var a = '1234.5'; -a");
205   ExpectNumber(env.local(), -1234.5, result);
206 }
207 
208 
TEST(unary_void)209 TEST(unary_void) {
210   LocalContext env;
211   v8::HandleScope scope(env->GetIsolate());
212   Local<Value> result;
213   result = CompileRun("var a = 1234; void (a);");
214   ExpectUndefined(result);
215   result = CompileRun("var a = 0; void (a = 42); a");
216   ExpectInt32(env.local(), 42, result);
217   result = CompileRun("var a = 0; void (a = 42);");
218   ExpectUndefined(result);
219 }
220 
221 
TEST(unary_not)222 TEST(unary_not) {
223   LocalContext env;
224   v8::HandleScope scope(env->GetIsolate());
225   Local<Value> result;
226   result = CompileRun("var a = 1234; !a");
227   ExpectBoolean(env.local(), false, result);
228   result = CompileRun("var a = 0; !a");
229   ExpectBoolean(env.local(), true, result);
230   result = CompileRun("var a = 0; !(a = 1234); a");
231   ExpectInt32(env.local(), 1234, result);
232   result = CompileRun("var a = '1234'; !a");
233   ExpectBoolean(env.local(), false, result);
234   result = CompileRun("var a = ''; !a");
235   ExpectBoolean(env.local(), true, result);
236   result = CompileRun("var a = 1234; !!a");
237   ExpectBoolean(env.local(), true, result);
238   result = CompileRun("var a = 0; !!a");
239   ExpectBoolean(env.local(), false, result);
240   result = CompileRun("var a = 0; if ( !a ) { 1; } else { 0; }");
241   ExpectInt32(env.local(), 1, result);
242   result = CompileRun("var a = 1; if ( !a ) { 1; } else { 0; }");
243   ExpectInt32(env.local(), 0, result);
244 }
245 
246 }  // namespace test_javascript_arm64
247 }  // namespace internal
248 }  // namespace v8
249