Require V8 to be explicitly initialized before an Isolate is created

test/cctest/test-random-number-generator.cc

Index: test/cctest/test-random-number-generator.cc
diff --git a/test/cctest/test-random-number-generator.cc b/test/cctest/test-random-number-generator.cc
index d2e67c76977e64978f7793ecba9c3405826b0c13..04b58820a208d71c62e49302a5f15d2168504e83 100644
--- a/test/cctest/test-random-number-generator.cc
+++ b/test/cctest/test-random-number-generator.cc
@@ -34,28 +34,16 @@
 using namespace v8::internal;
 
 
-static const int kMaxRuns = 12345;
-static const int kRandomSeeds[] = {
-  -1, 1, 42, 100, 1234567890, 987654321
-};
+static const int64_t kRandomSeeds[] = {-1, 1, 42, 100, 1234567890, 987654321};
 
 
 TEST(RandomSeedFlagIsUsed) {
   for (unsigned n = 0; n < arraysize(kRandomSeeds); ++n) {
-    FLAG_random_seed = kRandomSeeds[n];
+    FLAG_random_seed = static_cast<int>(kRandomSeeds[n]);
     v8::Isolate* i = v8::Isolate::New();
-    v8::base::RandomNumberGenerator& rng1 =
+    v8::base::RandomNumberGenerator& rng =
         *reinterpret_cast<Isolate*>(i)->random_number_generator();
-    v8::base::RandomNumberGenerator rng2(kRandomSeeds[n]);
-    for (int k = 1; k <= kMaxRuns; ++k) {
-      int64_t i1, i2;
-      rng1.NextBytes(&i1, sizeof(i1));
-      rng2.NextBytes(&i2, sizeof(i2));
-      CHECK_EQ(i2, i1);
-      CHECK_EQ(rng2.NextInt(), rng1.NextInt());
-      CHECK_EQ(rng2.NextInt(k), rng1.NextInt(k));
-      CHECK_EQ(rng2.NextDouble(), rng1.NextDouble());
-    }
+    CHECK_EQ(kRandomSeeds[n], rng.initial_seed());
     i->Dispose();
   }
 }