Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / v8 / test / cctest / test-dictionary.cc
index 44f64f7..9a19142 100644 (file)
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "v8.h"
+#include "src/v8.h"
+#include "test/cctest/cctest.h"
 
-#include "api.h"
-#include "debug.h"
-#include "execution.h"
-#include "factory.h"
-#include "macro-assembler.h"
-#include "objects.h"
-#include "global-handles.h"
-#include "cctest.h"
+#include "src/api.h"
+#include "src/debug.h"
+#include "src/execution.h"
+#include "src/factory.h"
+#include "src/global-handles.h"
+#include "src/macro-assembler.h"
+#include "src/objects.h"
 
 using namespace v8::internal;
 
+namespace {
 
-TEST(ObjectHashTable) {
-  LocalContext context;
+
+template<typename HashMap>
+static void TestHashMap(Handle<HashMap> table) {
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  v8::HandleScope scope(context->GetIsolate());
-  Handle<ObjectHashTable> table = factory->NewObjectHashTable(23);
+
   Handle<JSObject> a = factory->NewJSArray(7);
   Handle<JSObject> b = factory->NewJSArray(11);
-  table = PutIntoObjectHashTable(table, a, b);
+  table = HashMap::Put(table, a, b);
   CHECK_EQ(table->NumberOfElements(), 1);
-  CHECK_EQ(table->Lookup(*a), *b);
-  CHECK_EQ(table->Lookup(*b), CcTest::heap()->the_hole_value());
+  CHECK_EQ(table->Lookup(a), *b);
+  // When the key does not exist in the map, Lookup returns the hole.
+  CHECK_EQ(table->Lookup(b), CcTest::heap()->the_hole_value());
 
   // Keys still have to be valid after objects were moved.
   CcTest::heap()->CollectGarbage(NEW_SPACE);
   CHECK_EQ(table->NumberOfElements(), 1);
-  CHECK_EQ(table->Lookup(*a), *b);
-  CHECK_EQ(table->Lookup(*b), CcTest::heap()->the_hole_value());
+  CHECK_EQ(table->Lookup(a), *b);
+  CHECK_EQ(table->Lookup(b), CcTest::heap()->the_hole_value());
 
   // Keys that are overwritten should not change number of elements.
-  table = PutIntoObjectHashTable(table, a, factory->NewJSArray(13));
+  table = HashMap::Put(table, a, factory->NewJSArray(13));
   CHECK_EQ(table->NumberOfElements(), 1);
-  CHECK_NE(table->Lookup(*a), *b);
+  CHECK_NE(table->Lookup(a), *b);
 
-  // Keys mapped to the hole should be removed permanently.
-  table = PutIntoObjectHashTable(table, a, factory->the_hole_value());
+  // Keys that have been removed are mapped to the hole.
+  bool was_present = false;
+  table = HashMap::Remove(table, a, &was_present);
+  CHECK(was_present);
   CHECK_EQ(table->NumberOfElements(), 0);
-  CHECK_EQ(table->NumberOfDeletedElements(), 1);
-  CHECK_EQ(table->Lookup(*a), CcTest::heap()->the_hole_value());
+  CHECK_EQ(table->Lookup(a), CcTest::heap()->the_hole_value());
 
   // Keys should map back to their respective values and also should get
   // an identity hash code generated.
   for (int i = 0; i < 100; i++) {
     Handle<JSReceiver> key = factory->NewJSArray(7);
     Handle<JSObject> value = factory->NewJSArray(11);
-    table = PutIntoObjectHashTable(table, key, value);
+    table = HashMap::Put(table, key, value);
     CHECK_EQ(table->NumberOfElements(), i + 1);
-    CHECK_NE(table->FindEntry(*key), ObjectHashTable::kNotFound);
-    CHECK_EQ(table->Lookup(*key), *value);
-    CHECK(key->GetIdentityHash(OMIT_CREATION)->ToObjectChecked()->IsSmi());
+    CHECK_NE(table->FindEntry(key), HashMap::kNotFound);
+    CHECK_EQ(table->Lookup(key), *value);
+    CHECK(key->GetIdentityHash()->IsSmi());
   }
 
   // Keys never added to the map which already have an identity hash
   // code should not be found.
   for (int i = 0; i < 100; i++) {
     Handle<JSReceiver> key = factory->NewJSArray(7);
-    CHECK(key->GetIdentityHash(ALLOW_CREATION)->ToObjectChecked()->IsSmi());
-    CHECK_EQ(table->FindEntry(*key), ObjectHashTable::kNotFound);
-    CHECK_EQ(table->Lookup(*key), CcTest::heap()->the_hole_value());
-    CHECK(key->GetIdentityHash(OMIT_CREATION)->ToObjectChecked()->IsSmi());
+    CHECK(JSReceiver::GetOrCreateIdentityHash(key)->IsSmi());
+    CHECK_EQ(table->FindEntry(key), HashMap::kNotFound);
+    CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value());
+    CHECK(key->GetIdentityHash()->IsSmi());
   }
 
   // Keys that don't have an identity hash should not be found and also
   // should not get an identity hash code generated.
   for (int i = 0; i < 100; i++) {
     Handle<JSReceiver> key = factory->NewJSArray(7);
-    CHECK_EQ(table->Lookup(*key), CcTest::heap()->the_hole_value());
-    CHECK_EQ(key->GetIdentityHash(OMIT_CREATION),
+    CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value());
+    CHECK_EQ(key->GetIdentityHash(),
              CcTest::heap()->undefined_value());
   }
 }
 
 
+TEST(HashMap) {
+  LocalContext context;
+  v8::HandleScope scope(context->GetIsolate());
+  Isolate* isolate = CcTest::i_isolate();
+  TestHashMap(ObjectHashTable::New(isolate, 23));
+  TestHashMap(isolate->factory()->NewOrderedHashMap());
+}
+
+
 class ObjectHashTableTest: public ObjectHashTable {
  public:
   void insert(int entry, int key, int value) {
@@ -110,7 +122,8 @@ class ObjectHashTableTest: public ObjectHashTable {
   }
 
   int lookup(int key) {
-    return Smi::cast(Lookup(Smi::FromInt(key)))->value();
+    Handle<Object> key_obj(Smi::FromInt(key), GetIsolate());
+    return Smi::cast(Lookup(key_obj))->value();
   }
 
   int capacity() {
@@ -122,30 +135,29 @@ class ObjectHashTableTest: public ObjectHashTable {
 TEST(HashTableRehash) {
   LocalContext context;
   Isolate* isolate = CcTest::i_isolate();
-  Factory* factory = isolate->factory();
   v8::HandleScope scope(context->GetIsolate());
   // Test almost filled table.
   {
-    Handle<ObjectHashTable> table = factory->NewObjectHashTable(100);
+    Handle<ObjectHashTable> table = ObjectHashTable::New(isolate, 100);
     ObjectHashTableTest* t = reinterpret_cast<ObjectHashTableTest*>(*table);
     int capacity = t->capacity();
     for (int i = 0; i < capacity - 1; i++) {
       t->insert(i, i * i, i);
     }
-    t->Rehash(Smi::FromInt(0));
+    t->Rehash(handle(Smi::FromInt(0), isolate));
     for (int i = 0; i < capacity - 1; i++) {
       CHECK_EQ(i, t->lookup(i * i));
     }
   }
   // Test half-filled table.
   {
-    Handle<ObjectHashTable> table = factory->NewObjectHashTable(100);
+    Handle<ObjectHashTable> table = ObjectHashTable::New(isolate, 100);
     ObjectHashTableTest* t = reinterpret_cast<ObjectHashTableTest*>(*table);
     int capacity = t->capacity();
     for (int i = 0; i < capacity / 2; i++) {
       t->insert(i, i * i, i);
     }
-    t->Rehash(Smi::FromInt(0));
+    t->Rehash(handle(Smi::FromInt(0), isolate));
     for (int i = 0; i < capacity / 2; i++) {
       CHECK_EQ(i, t->lookup(i * i));
     }
@@ -154,13 +166,11 @@ TEST(HashTableRehash) {
 
 
 #ifdef DEBUG
-TEST(ObjectHashSetCausesGC) {
-  i::FLAG_stress_compaction = false;
-  LocalContext context;
+template<class HashSet>
+static void TestHashSetCausesGC(Handle<HashSet> table) {
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  v8::HandleScope scope(context->GetIsolate());
-  Handle<ObjectHashSet> table = factory->NewObjectHashSet(1);
+
   Handle<JSObject> key = factory->NewJSArray(0);
   v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key);
 
@@ -175,25 +185,38 @@ TEST(ObjectHashSetCausesGC) {
   SimulateFullSpace(CcTest::heap()->old_pointer_space());
 
   // Calling Contains() should not cause GC ever.
-  CHECK(!table->Contains(*key));
+  int gc_count = isolate->heap()->gc_count();
+  CHECK(!table->Contains(key));
+  CHECK(gc_count == isolate->heap()->gc_count());
+
+  // Calling Remove() will not cause GC in this case.
+  bool was_present = false;
+  table = HashSet::Remove(table, key, &was_present);
+  CHECK(!was_present);
+  CHECK(gc_count == isolate->heap()->gc_count());
+
+  // Calling Add() should cause GC.
+  table = HashSet::Add(table, key);
+  CHECK(gc_count < isolate->heap()->gc_count());
+}
 
-  // Calling Remove() should not cause GC ever.
-  CHECK(!table->Remove(*key)->IsFailure());
 
-  // Calling Add() should request GC by returning a failure.
-  CHECK(table->Add(*key)->IsRetryAfterGC());
+TEST(ObjectHashSetCausesGC) {
+  i::FLAG_stress_compaction = false;
+  LocalContext context;
+  v8::HandleScope scope(context->GetIsolate());
+  Isolate* isolate = CcTest::i_isolate();
+  TestHashSetCausesGC(isolate->factory()->NewOrderedHashSet());
 }
 #endif
 
 
 #ifdef DEBUG
-TEST(ObjectHashTableCausesGC) {
-  i::FLAG_stress_compaction = false;
-  LocalContext context;
+template<class HashMap>
+static void TestHashMapCausesGC(Handle<HashMap> table) {
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  v8::HandleScope scope(context->GetIsolate());
-  Handle<ObjectHashTable> table = factory->NewObjectHashTable(1);
+
   Handle<JSObject> key = factory->NewJSArray(0);
   v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key);
 
@@ -208,9 +231,24 @@ TEST(ObjectHashTableCausesGC) {
   SimulateFullSpace(CcTest::heap()->old_pointer_space());
 
   // Calling Lookup() should not cause GC ever.
-  CHECK(table->Lookup(*key)->IsTheHole());
+  CHECK(table->Lookup(key)->IsTheHole());
 
   // Calling Put() should request GC by returning a failure.
-  CHECK(table->Put(*key, *key)->IsRetryAfterGC());
+  int gc_count = isolate->heap()->gc_count();
+  HashMap::Put(table, key, key);
+  CHECK(gc_count < isolate->heap()->gc_count());
+}
+
+
+TEST(ObjectHashTableCausesGC) {
+  i::FLAG_stress_compaction = false;
+  LocalContext context;
+  v8::HandleScope scope(context->GetIsolate());
+  Isolate* isolate = CcTest::i_isolate();
+  TestHashMapCausesGC(ObjectHashTable::New(isolate, 1));
+  TestHashMapCausesGC(isolate->factory()->NewOrderedHashMap());
 }
 #endif
+
+
+}