474 lines
12 KiB
C++
474 lines
12 KiB
C++
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include "v8.h"
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#include "factory.h"
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#include "global-handles.h"
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#include "unique.h"
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#include "cctest.h"
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using namespace v8::internal;
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TEST(UniqueCreate) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Handle<String> A = factory->InternalizeUtf8String("A");
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Unique<String> HA(A);
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CHECK_NE(static_cast<intptr_t>(0), HA.Hashcode());
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CHECK(*HA.handle() == *A);
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CHECK_EQ(*A, *HA.handle());
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Unique<String> HA2(A);
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CHECK_EQ(HA.Hashcode(), HA2.Hashcode());
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CHECK(HA == HA2);
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CHECK_EQ(*HA.handle(), *HA2.handle());
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CHECK_EQ(HA2.Hashcode(), HA.Hashcode());
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CHECK(HA2 == HA);
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CHECK_EQ(*HA2.handle(), *HA.handle());
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Handle<String> B = factory->InternalizeUtf8String("B");
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Unique<String> HB(B);
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CHECK_NE(HA.Hashcode(), HB.Hashcode());
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CHECK(HA != HB);
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CHECK_NE(*HA.handle(), *HB.handle());
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CHECK_NE(HB.Hashcode(), HA.Hashcode());
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CHECK(HB != HA);
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CHECK_NE(*HB.handle(), *HA.handle());
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// TODO(titzer): check that Unique properly survives a GC.
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}
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TEST(UniqueSubsume) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Handle<String> A = factory->InternalizeUtf8String("A");
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Unique<String> HA(A);
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CHECK_NE(static_cast<intptr_t>(0), HA.Hashcode());
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CHECK(*HA.handle() == *A);
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CHECK_EQ(*A, *HA.handle());
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Unique<Object> HO = HA; // Here comes the subsumption, boys.
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CHECK_EQ(HA.Hashcode(), HO.Hashcode());
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CHECK(HA == HO);
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CHECK_EQ(*HA.handle(), *HO.handle());
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CHECK_EQ(HO.Hashcode(), HA.Hashcode());
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CHECK(HO == HA);
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CHECK_EQ(*HO.handle(), *HA.handle());
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}
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TEST(UniqueSet_Add) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Zone zone(isolate);
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UniqueSet<String>* set = new(&zone) UniqueSet<String>();
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CHECK_EQ(0, set->size());
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set->Add(A, &zone);
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CHECK_EQ(1, set->size());
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set->Add(A, &zone);
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CHECK_EQ(1, set->size());
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set->Add(B, &zone);
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CHECK_EQ(2, set->size());
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set->Add(C, &zone);
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CHECK_EQ(3, set->size());
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set->Add(C, &zone);
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CHECK_EQ(3, set->size());
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set->Add(B, &zone);
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CHECK_EQ(3, set->size());
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set->Add(A, &zone);
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CHECK_EQ(3, set->size());
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}
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template <class T>
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static void CHECK_SETS(
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UniqueSet<T>* set1, UniqueSet<T>* set2, bool expected) {
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CHECK(set1->Equals(set1));
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CHECK(set2->Equals(set2));
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CHECK(expected == set1->Equals(set2));
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CHECK(expected == set2->Equals(set1));
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}
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TEST(UniqueSet_Equals) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Zone zone(isolate);
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UniqueSet<String>* set1 = new(&zone) UniqueSet<String>();
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UniqueSet<String>* set2 = new(&zone) UniqueSet<String>();
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CHECK_SETS(set1, set2, true);
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set1->Add(A, &zone);
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CHECK_SETS(set1, set2, false);
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set2->Add(A, &zone);
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CHECK_SETS(set1, set2, true);
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set1->Add(B, &zone);
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CHECK_SETS(set1, set2, false);
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set2->Add(C, &zone);
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CHECK_SETS(set1, set2, false);
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set1->Add(C, &zone);
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CHECK_SETS(set1, set2, false);
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set2->Add(B, &zone);
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CHECK_SETS(set1, set2, true);
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}
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TEST(UniqueSet_IsSubset1) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Zone zone(isolate);
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UniqueSet<String>* set1 = new(&zone) UniqueSet<String>();
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UniqueSet<String>* set2 = new(&zone) UniqueSet<String>();
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CHECK(set1->IsSubset(set2));
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CHECK(set2->IsSubset(set1));
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set1->Add(A, &zone);
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CHECK(!set1->IsSubset(set2));
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CHECK(set2->IsSubset(set1));
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set2->Add(B, &zone);
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CHECK(!set1->IsSubset(set2));
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CHECK(!set2->IsSubset(set1));
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set2->Add(A, &zone);
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CHECK(set1->IsSubset(set2));
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CHECK(!set2->IsSubset(set1));
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set1->Add(B, &zone);
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CHECK(set1->IsSubset(set2));
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CHECK(set2->IsSubset(set1));
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}
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TEST(UniqueSet_IsSubset2) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Unique<String> D(factory->InternalizeUtf8String("D"));
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Unique<String> E(factory->InternalizeUtf8String("E"));
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Unique<String> F(factory->InternalizeUtf8String("F"));
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Unique<String> G(factory->InternalizeUtf8String("G"));
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Zone zone(isolate);
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UniqueSet<String>* set1 = new(&zone) UniqueSet<String>();
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UniqueSet<String>* set2 = new(&zone) UniqueSet<String>();
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set1->Add(A, &zone);
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set1->Add(C, &zone);
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set1->Add(E, &zone);
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set2->Add(A, &zone);
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set2->Add(B, &zone);
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set2->Add(C, &zone);
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set2->Add(D, &zone);
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set2->Add(E, &zone);
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set2->Add(F, &zone);
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CHECK(set1->IsSubset(set2));
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CHECK(!set2->IsSubset(set1));
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set1->Add(G, &zone);
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CHECK(!set1->IsSubset(set2));
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CHECK(!set2->IsSubset(set1));
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}
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template <class T>
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static UniqueSet<T>* MakeSet(Zone* zone, int which, Unique<T>* elements) {
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UniqueSet<T>* set = new(zone) UniqueSet<T>();
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for (int i = 0; i < 32; i++) {
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if ((which & (1 << i)) != 0) set->Add(elements[i], zone);
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}
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return set;
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}
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TEST(UniqueSet_IsSubsetExhaustive) {
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const int kSetSize = 6;
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Zone zone(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Unique<String> D(factory->InternalizeUtf8String("D"));
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Unique<String> E(factory->InternalizeUtf8String("E"));
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Unique<String> F(factory->InternalizeUtf8String("F"));
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Unique<String> G(factory->InternalizeUtf8String("G"));
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Unique<String> elements[] = {
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A, B, C, D, E, F, G
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};
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// Exhaustively test all sets with <= 6 elements.
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for (int i = 0; i < (1 << kSetSize); i++) {
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for (int j = 0; j < (1 << kSetSize); j++) {
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UniqueSet<String>* set1 = MakeSet(&zone, i, elements);
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UniqueSet<String>* set2 = MakeSet(&zone, j, elements);
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CHECK(((i & j) == i) == set1->IsSubset(set2));
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}
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}
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}
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TEST(UniqueSet_Intersect1) {
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Zone zone(isolate);
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UniqueSet<String>* set1 = new(&zone) UniqueSet<String>();
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UniqueSet<String>* set2 = new(&zone) UniqueSet<String>();
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UniqueSet<String>* result;
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CHECK(set1->IsSubset(set2));
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CHECK(set2->IsSubset(set1));
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set1->Add(A, &zone);
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result = set1->Intersect(set2, &zone);
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CHECK_EQ(0, result->size());
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CHECK(set2->Equals(result));
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set2->Add(A, &zone);
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result = set1->Intersect(set2, &zone);
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CHECK_EQ(1, result->size());
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CHECK(set1->Equals(result));
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CHECK(set2->Equals(result));
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set2->Add(B, &zone);
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set2->Add(C, &zone);
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result = set1->Intersect(set2, &zone);
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CHECK_EQ(1, result->size());
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CHECK(set1->Equals(result));
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}
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TEST(UniqueSet_IntersectExhaustive) {
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const int kSetSize = 6;
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CcTest::InitializeVM();
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Isolate* isolate = Isolate::Current();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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Zone zone(isolate);
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Unique<String> A(factory->InternalizeUtf8String("A"));
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Unique<String> B(factory->InternalizeUtf8String("B"));
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Unique<String> C(factory->InternalizeUtf8String("C"));
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Unique<String> D(factory->InternalizeUtf8String("D"));
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Unique<String> E(factory->InternalizeUtf8String("E"));
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Unique<String> F(factory->InternalizeUtf8String("F"));
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Unique<String> G(factory->InternalizeUtf8String("G"));
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Unique<String> elements[] = {
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A, B, C, D, E, F, G
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};
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// Exhaustively test all sets with <= 6 elements.
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for (int i = 0; i < (1 << kSetSize); i++) {
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for (int j = 0; j < (1 << kSetSize); j++) {
|
||
|
|
UniqueSet<String>* set1 = MakeSet(&zone, i, elements);
|
||
|
|
UniqueSet<String>* set2 = MakeSet(&zone, j, elements);
|
||
|
|
|
||
|
|
UniqueSet<String>* result = set1->Intersect(set2, &zone);
|
||
|
|
UniqueSet<String>* expected = MakeSet(&zone, i & j, elements);
|
||
|
|
|
||
|
|
CHECK(result->Equals(expected));
|
||
|
|
CHECK(expected->Equals(result));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
TEST(UniqueSet_Union1) {
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = Isolate::Current();
|
||
|
|
Factory* factory = isolate->factory();
|
||
|
|
HandleScope sc(isolate);
|
||
|
|
|
||
|
|
Unique<String> A(factory->InternalizeUtf8String("A"));
|
||
|
|
Unique<String> B(factory->InternalizeUtf8String("B"));
|
||
|
|
Unique<String> C(factory->InternalizeUtf8String("C"));
|
||
|
|
|
||
|
|
Zone zone(isolate);
|
||
|
|
|
||
|
|
UniqueSet<String>* set1 = new(&zone) UniqueSet<String>();
|
||
|
|
UniqueSet<String>* set2 = new(&zone) UniqueSet<String>();
|
||
|
|
UniqueSet<String>* result;
|
||
|
|
|
||
|
|
CHECK(set1->IsSubset(set2));
|
||
|
|
CHECK(set2->IsSubset(set1));
|
||
|
|
|
||
|
|
set1->Add(A, &zone);
|
||
|
|
|
||
|
|
result = set1->Union(set2, &zone);
|
||
|
|
|
||
|
|
CHECK_EQ(1, result->size());
|
||
|
|
CHECK(set1->Equals(result));
|
||
|
|
|
||
|
|
set2->Add(A, &zone);
|
||
|
|
|
||
|
|
result = set1->Union(set2, &zone);
|
||
|
|
|
||
|
|
CHECK_EQ(1, result->size());
|
||
|
|
CHECK(set1->Equals(result));
|
||
|
|
CHECK(set2->Equals(result));
|
||
|
|
|
||
|
|
set2->Add(B, &zone);
|
||
|
|
set2->Add(C, &zone);
|
||
|
|
|
||
|
|
result = set1->Union(set2, &zone);
|
||
|
|
|
||
|
|
CHECK_EQ(3, result->size());
|
||
|
|
CHECK(set2->Equals(result));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
TEST(UniqueSet_UnionExhaustive) {
|
||
|
|
const int kSetSize = 6;
|
||
|
|
|
||
|
|
CcTest::InitializeVM();
|
||
|
|
Isolate* isolate = Isolate::Current();
|
||
|
|
Factory* factory = isolate->factory();
|
||
|
|
HandleScope sc(isolate);
|
||
|
|
|
||
|
|
Zone zone(isolate);
|
||
|
|
|
||
|
|
Unique<String> A(factory->InternalizeUtf8String("A"));
|
||
|
|
Unique<String> B(factory->InternalizeUtf8String("B"));
|
||
|
|
Unique<String> C(factory->InternalizeUtf8String("C"));
|
||
|
|
Unique<String> D(factory->InternalizeUtf8String("D"));
|
||
|
|
Unique<String> E(factory->InternalizeUtf8String("E"));
|
||
|
|
Unique<String> F(factory->InternalizeUtf8String("F"));
|
||
|
|
Unique<String> G(factory->InternalizeUtf8String("G"));
|
||
|
|
|
||
|
|
Unique<String> elements[] = {
|
||
|
|
A, B, C, D, E, F, G
|
||
|
|
};
|
||
|
|
|
||
|
|
// Exhaustively test all sets with <= 6 elements.
|
||
|
|
for (int i = 0; i < (1 << kSetSize); i++) {
|
||
|
|
for (int j = 0; j < (1 << kSetSize); j++) {
|
||
|
|
UniqueSet<String>* set1 = MakeSet(&zone, i, elements);
|
||
|
|
UniqueSet<String>* set2 = MakeSet(&zone, j, elements);
|
||
|
|
|
||
|
|
UniqueSet<String>* result = set1->Union(set2, &zone);
|
||
|
|
UniqueSet<String>* expected = MakeSet(&zone, i | j, elements);
|
||
|
|
|
||
|
|
CHECK(result->Equals(expected));
|
||
|
|
CHECK(expected->Equals(result));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|