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548 lines
13 KiB
548 lines
13 KiB
// 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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#define MAKE_HANDLES_AND_DISALLOW_ALLOCATION \
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Isolate* isolate = CcTest::i_isolate(); \
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Factory* factory = isolate->factory(); \
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HandleScope sc(isolate); \
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Handle<String> handles[] = { \
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factory->InternalizeUtf8String("A"), \
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factory->InternalizeUtf8String("B"), \
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factory->InternalizeUtf8String("C"), \
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factory->InternalizeUtf8String("D"), \
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factory->InternalizeUtf8String("E"), \
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factory->InternalizeUtf8String("F"), \
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factory->InternalizeUtf8String("G") \
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}; \
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DisallowHeapAllocation _disable
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#define MAKE_UNIQUES_A_B_C \
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Unique<String> A(handles[0]); \
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Unique<String> B(handles[1]); \
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Unique<String> C(handles[2])
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#define MAKE_UNIQUES_A_B_C_D_E_F_G \
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Unique<String> A(handles[0]); \
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Unique<String> B(handles[1]); \
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Unique<String> C(handles[2]); \
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Unique<String> D(handles[3]); \
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Unique<String> E(handles[4]); \
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Unique<String> F(handles[5]); \
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Unique<String> G(handles[6])
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template <class T, class U>
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void CheckHashCodeEqual(Unique<T> a, Unique<U> b) {
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int64_t hasha = static_cast<int64_t>(a.Hashcode());
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int64_t hashb = static_cast<int64_t>(b.Hashcode());
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CHECK_NE(static_cast<int64_t>(0), hasha);
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CHECK_NE(static_cast<int64_t>(0), hashb);
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CHECK_EQ(hasha, hashb);
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}
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template <class T, class U>
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void CheckHashCodeNotEqual(Unique<T> a, Unique<U> b) {
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int64_t hasha = static_cast<int64_t>(a.Hashcode());
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int64_t hashb = static_cast<int64_t>(b.Hashcode());
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CHECK_NE(static_cast<int64_t>(0), hasha);
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CHECK_NE(static_cast<int64_t>(0), hashb);
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CHECK_NE(hasha, hashb);
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}
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TEST(UniqueCreate) {
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CcTest::InitializeVM();
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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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Handle<String> A = handles[0], B = handles[1];
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Unique<String> HA(A);
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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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CheckHashCodeEqual(HA, HA2);
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CHECK(HA == HA2);
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CHECK_EQ(*HA.handle(), *HA2.handle());
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CHECK(HA2 == HA);
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CHECK_EQ(*HA2.handle(), *HA.handle());
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Unique<String> HB(B);
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CheckHashCodeNotEqual(HA, HB);
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CHECK(HA != HB);
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CHECK_NE(*HA.handle(), *HB.handle());
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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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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Handle<String> A = handles[0];
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Unique<String> HA(A);
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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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CheckHashCodeEqual(HA, HO);
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CHECK(HA == HO);
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CHECK_EQ(*HA.handle(), *HO.handle());
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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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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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TEST(UniqueSet_Remove) {
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CcTest::InitializeVM();
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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_C;
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Zone zone(isolate);
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UniqueSet<String>* set = new(&zone) UniqueSet<String>();
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set->Add(A, &zone);
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set->Add(B, &zone);
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set->Add(C, &zone);
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CHECK_EQ(3, set->size());
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set->Remove(A);
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CHECK_EQ(2, set->size());
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CHECK(!set->Contains(A));
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CHECK(set->Contains(B));
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CHECK(set->Contains(C));
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set->Remove(A);
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CHECK_EQ(2, set->size());
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CHECK(!set->Contains(A));
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CHECK(set->Contains(B));
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CHECK(set->Contains(C));
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set->Remove(B);
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CHECK_EQ(1, set->size());
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CHECK(!set->Contains(A));
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CHECK(!set->Contains(B));
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CHECK(set->Contains(C));
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set->Remove(C);
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CHECK_EQ(0, set->size());
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CHECK(!set->Contains(A));
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CHECK(!set->Contains(B));
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CHECK(!set->Contains(C));
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}
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TEST(UniqueSet_Contains) {
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CcTest::InitializeVM();
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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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(set->Contains(A));
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CHECK(!set->Contains(B));
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CHECK(!set->Contains(C));
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set->Add(A, &zone);
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CHECK(set->Contains(A));
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CHECK(!set->Contains(B));
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CHECK(!set->Contains(C));
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set->Add(B, &zone);
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CHECK(set->Contains(A));
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CHECK(set->Contains(B));
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set->Add(C, &zone);
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CHECK(set->Contains(A));
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CHECK(set->Contains(B));
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CHECK(set->Contains(C));
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}
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TEST(UniqueSet_At) {
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CcTest::InitializeVM();
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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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(A == set->at(0));
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set->Add(A, &zone);
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CHECK(A == set->at(0));
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set->Add(B, &zone);
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CHECK(A == set->at(0) || B == set->at(0));
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CHECK(A == set->at(1) || B == set->at(1));
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set->Add(C, &zone);
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CHECK(A == set->at(0) || B == set->at(0) || C == set->at(0));
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CHECK(A == set->at(1) || B == set->at(1) || C == set->at(1));
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CHECK(A == set->at(2) || B == set->at(2) || C == set->at(2));
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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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_C_D_E_F_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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_C_D_E_F_G;
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Zone zone(isolate);
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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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_C_D_E_F_G;
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Zone zone(isolate);
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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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UniqueSet<String>* result = set1->Intersect(set2, &zone);
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UniqueSet<String>* expected = MakeSet(&zone, i & j, elements);
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CHECK(result->Equals(expected));
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CHECK(expected->Equals(result));
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}
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}
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}
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TEST(UniqueSet_Union1) {
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CcTest::InitializeVM();
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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_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->Union(set2, &zone);
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CHECK_EQ(1, result->size());
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CHECK(set1->Equals(result));
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set2->Add(A, &zone);
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result = set1->Union(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->Union(set2, &zone);
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CHECK_EQ(3, result->size());
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CHECK(set2->Equals(result));
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}
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TEST(UniqueSet_UnionExhaustive) {
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const int kSetSize = 6;
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CcTest::InitializeVM();
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MAKE_HANDLES_AND_DISALLOW_ALLOCATION;
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MAKE_UNIQUES_A_B_C_D_E_F_G;
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Zone zone(isolate);
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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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UniqueSet<String>* result = set1->Union(set2, &zone);
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UniqueSet<String>* expected = MakeSet(&zone, i | j, elements);
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CHECK(result->Equals(expected));
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CHECK(expected->Equals(result));
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}
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}
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}
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