Implement Big-Endian eqv test for DecodeDate and DecodeValueObjects

test/unittests/value-serializer-unittest.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/value-serializer.h"
 
 #include <algorithm>
 #include <string>
 
 #include "include/v8.h"
@@ skipping 1082 matching lines @@
   });
   RoundTripTest(
       "({ a: new Date(), get b() { return this.a; } })",
       [this](Local<Value> value) {
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a instanceof Date"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a === result.b"));
       });
 }
 
 TEST_F(ValueSerializerTest, DecodeDate) {
+#if defined(V8_TARGET_LITTLE_ENDIAN)
   DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x44, 0x00, 0x00, 0x00, 0x00, 0x80, 0x84,
               0x2e, 0x41, 0x00},
              [this](Local<Value> value) {
                ASSERT_TRUE(value->IsDate());
                EXPECT_EQ(1e6, Date::Cast(*value)->ValueOf());
                EXPECT_TRUE("Object.getPrototypeOf(result) === Date.prototype");
              });
   DecodeTest(
       {0xff, 0x09, 0x3f, 0x00, 0x44, 0x00, 0x00, 0x20, 0x45, 0x27, 0x89, 0x87,
        0xc2, 0x00},
       [this](Local<Value> value) {
         ASSERT_TRUE(value->IsDate());
         EXPECT_TRUE("result.toISOString() === '1867-07-01T00:00:00.000Z'");
       });
   DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
               0xf8, 0x7f, 0x00},
              [this](Local<Value> value) {
                ASSERT_TRUE(value->IsDate());
                EXPECT_TRUE(std::isnan(Date::Cast(*value)->ValueOf()));
              });
+#else
+  DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x44, 0x41, 0x2e, 0x84, 0x80, 0x00, 0x00,
+              0x00, 0x00, 0x00},
+             [this](Local<Value> value) {
+               ASSERT_TRUE(value->IsDate());
+               EXPECT_EQ(1e6, Date::Cast(*value)->ValueOf());
+               EXPECT_TRUE("Object.getPrototypeOf(result) === Date.prototype");
+             });
+  DecodeTest(
+      {0xff, 0x09, 0x3f, 0x00, 0x44, 0xc2, 0x87, 0x89, 0x27, 0x45, 0x20, 0x00,
+       0x00, 0x00},
+      [this](Local<Value> value) {
+        ASSERT_TRUE(value->IsDate());
+        EXPECT_TRUE("result.toISOString() === '1867-07-01T00:00:00.000Z'");
+      });
+  DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x44, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00,
+              0x00, 0x00, 0x00},
+             [this](Local<Value> value) {
+               ASSERT_TRUE(value->IsDate());
+               EXPECT_TRUE(std::isnan(Date::Cast(*value)->ValueOf()));
+             });
+#endif
   DecodeTest(
       {0xff, 0x09, 0x3f, 0x00, 0x6f, 0x3f, 0x01, 0x53, 0x01, 0x61, 0x3f,
        0x01, 0x44, 0x00, 0x20, 0x39, 0x50, 0x37, 0x6a, 0x75, 0x42, 0x3f,
        0x02, 0x53, 0x01, 0x62, 0x3f, 0x02, 0x5e, 0x01, 0x7b, 0x02},
       [this](Local<Value> value) {
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a instanceof Date"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a === result.b"));
       });
 }
 
@@ skipping 72 matching lines @@
             "Object.getPrototypeOf(result) === Boolean.prototype"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.valueOf() === false"));
       });
   DecodeTest(
       {0xff, 0x09, 0x3f, 0x00, 0x6f, 0x3f, 0x01, 0x53, 0x01, 0x61, 0x3f, 0x01,
        0x79, 0x3f, 0x02, 0x53, 0x01, 0x62, 0x3f, 0x02, 0x5e, 0x01, 0x7b, 0x02},
       [this](Local<Value> value) {
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a instanceof Boolean"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a === result.b"));
       });
+#if defined(V8_TARGET_LITTLE_ENDIAN)
   DecodeTest(
       {0xff, 0x09, 0x3f, 0x00, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x45,
        0xc0, 0x00},
       [this](Local<Value> value) {
         EXPECT_TRUE(EvaluateScriptForResultBool(
             "Object.getPrototypeOf(result) === Number.prototype"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.valueOf() === -42"));
       });
   DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
               0xf8, 0x7f, 0x00},
              [this](Local<Value> value) {
                EXPECT_TRUE(EvaluateScriptForResultBool(
                    "Object.getPrototypeOf(result) === Number.prototype"));
                EXPECT_TRUE(EvaluateScriptForResultBool(
                    "Number.isNaN(result.valueOf())"));
              });
+#else
+  DecodeTest(
+      {0xff, 0x09, 0x3f, 0x00, 0x6e, 0xc0, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00},
+      [this](Local<Value> value) {
+        EXPECT_TRUE(EvaluateScriptForResultBool(
+            "Object.getPrototypeOf(result) === Number.prototype"));
+        EXPECT_TRUE(EvaluateScriptForResultBool("result.valueOf() === -42"));
+      });
+  DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x6e, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00,
+              0x00, 0x00, 0x00},
+             [this](Local<Value> value) {
+               EXPECT_TRUE(EvaluateScriptForResultBool(
+                   "Object.getPrototypeOf(result) === Number.prototype"));
+               EXPECT_TRUE(EvaluateScriptForResultBool(
+                   "Number.isNaN(result.valueOf())"));
+             });
+#endif
   DecodeTest(
       {0xff, 0x09, 0x3f, 0x00, 0x6f, 0x3f, 0x01, 0x53, 0x01, 0x61, 0x3f,
        0x01, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x40, 0x3f,
        0x02, 0x53, 0x01, 0x62, 0x3f, 0x02, 0x5e, 0x01, 0x7b, 0x02},
       [this](Local<Value> value) {
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a instanceof Number"));
         EXPECT_TRUE(EvaluateScriptForResultBool("result.a === result.b"));
       });
   DecodeTest({0xff, 0x09, 0x3f, 0x00, 0x73, 0x07, 0x51, 0x75, 0xc3, 0xa9, 0x62,
               0x65, 0x63, 0x00},
@@ skipping 271 matching lines @@
         ASSERT_TRUE(value->IsSet());
         EXPECT_TRUE(EvaluateScriptForResultBool(
             "!('baz' in Array.from(result.keys())[0])"));
         EXPECT_TRUE(EvaluateScriptForResultBool(
             "Array.from(result.keys())[1].foo === 'bar'"));
       });
 }
 
 }  // namespace
 }  // namespace v8