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Issue 14862009: Encapsulating Type information in the CompareICStub (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 7 months ago
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1 // Copyright 2006-2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28 #include <stdlib.h>
29
30 #include "v8.h"
31 #include "cctest.h"
32 #include "code-stubs.h"
33
34
35 using namespace v8::internal;
36
37 #define Types CompareNilICStub::Types
38
39 TEST(TypeConstructors) {
40 Types types;
41 types.Add(CompareNilICStub::MONOMORPHIC_MAP);
42 Types types2(types);
43 CHECK_EQ(types.ToIntegral(), types2.ToIntegral());
44 }
45
46 TEST(ExternalICStateParsing) {
47 Types types;
48 types.Add(CompareNilICStub::UNDEFINED);
49 CompareNilICStub stub(kNonStrictEquality, kUndefinedValue, types);
50 CompareNilICStub stub2(stub.GetExtraICState());
51 CHECK_EQ(stub.GetKind(), stub2.GetKind());
52 CHECK_EQ(stub.GetNilValue(), stub2.GetNilValue());
53 CHECK_EQ(stub.GetTypes().ToIntegral(), stub2.GetTypes().ToIntegral());
54 }
55
56 TEST(SettingTypes) {
57 Types state;
58 CHECK(state.IsEmpty());
59 state.Add(CompareNilICStub::NULL_TYPE);
60 CHECK(!state.IsEmpty());
61 CHECK(state.Contains(CompareNilICStub::NULL_TYPE));
62 CHECK(!state.Contains(CompareNilICStub::UNDEFINED));
63 CHECK(!state.Contains(CompareNilICStub::UNDETECTABLE));
64 state.Add(CompareNilICStub::UNDEFINED);
65 CHECK(state.Contains(CompareNilICStub::UNDEFINED));
66 CHECK(state.Contains(CompareNilICStub::NULL_TYPE));
67 CHECK(!state.Contains(CompareNilICStub::UNDETECTABLE));
68 }
69
70 TEST(ClearTypes) {
71 Types state;
72 state.Add(CompareNilICStub::NULL_TYPE);
73 state.RemoveAll();
74 CHECK(state.IsEmpty());
75 }
76
77 TEST(FullCompare) {
78 Types state;
79 CHECK(Types::FullCompare() != state);
80 state.Add(CompareNilICStub::UNDEFINED);
81 CHECK(state != Types::FullCompare());
82 state.Add(CompareNilICStub::NULL_TYPE);
83 CHECK(state != Types::FullCompare());
84 state.Add(CompareNilICStub::UNDETECTABLE);
85 CHECK(state == Types::FullCompare());
86 }
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