1 /*
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <gtest/gtest.h>
17
18 #include "assembly-parser.h"
19 #include "runtime/include/runtime.h"
20 #include "runtime/include/panda_vm.h"
21 #include "runtime/include/class_linker.h"
22 #include "runtime/include/thread_scopes.h"
23 #include "runtime/mem/vm_handle.h"
24 #include "runtime/handle_scope-inl.h"
25 #include "runtime/include/coretypes/array.h"
26 #include "runtime/include/coretypes/string.h"
27 #include "runtime/mem/object_helpers-inl.h"
28
29 namespace panda::mem {
separator()30 inline std::string separator()
31 {
32 #ifdef _WIN32
33 return "\\";
34 #else
35 return "/";
36 #endif
37 }
38
39 class StaticAnalyzerTest : public testing::Test {
40 public:
StaticAnalyzerTest()41 StaticAnalyzerTest()
42 {
43 RuntimeOptions options;
44 options.SetBootClassSpaces({"core"});
45 options.SetRuntimeType("core");
46 options.SetGcType("epsilon");
47 options.SetGcTriggerType("debug-never");
48 auto exec_path = panda::os::file::File::GetExecutablePath();
49 std::string panda_std_lib =
50 exec_path.Value() + separator() + ".." + separator() + "pandastdlib" + separator() + "pandastdlib.bin";
51 options.SetBootPandaFiles({panda_std_lib});
52
53 Runtime::Create(options);
54 }
55
~StaticAnalyzerTest()56 ~StaticAnalyzerTest()
57 {
58 Runtime::Destroy();
59 }
60
AllocString()61 coretypes::String *AllocString()
62 {
63 Runtime *runtime = Runtime::GetCurrent();
64 LanguageContext ctx = runtime->GetLanguageContext(panda_file::SourceLang::PANDA_ASSEMBLY);
65 ScopedManagedCodeThread s(MTManagedThread::GetCurrent());
66 return coretypes::String::CreateEmptyString(ctx, runtime->GetPandaVM());
67 }
68
AllocStringArray(size_t length)69 coretypes::Array *AllocStringArray(size_t length)
70 {
71 Runtime *runtime = Runtime::GetCurrent();
72 LanguageContext ctx = runtime->GetLanguageContext(panda_file::SourceLang::PANDA_ASSEMBLY);
73 SpaceType space_type = SpaceType::SPACE_TYPE_OBJECT;
74 auto *klass = runtime->GetClassLinker()->GetExtension(ctx)->GetClassRoot(ClassRoot::ARRAY_STRING);
75 ScopedManagedCodeThread s(MTManagedThread::GetCurrent());
76 return coretypes::Array::Create(klass, length, space_type);
77 }
78 };
79
TEST_F(StaticAnalyzerTest,TestArray)80 TEST_F(StaticAnalyzerTest, TestArray)
81 {
82 coretypes::Array *array = AllocStringArray(2);
83 ASSERT_NE(nullptr, array);
84 ObjectHeader *expected = AllocString();
85 ASSERT_NE(nullptr, expected);
86 array->Set(0U, expected); // SUPPRESS_CSA
87 // SUPPRESS_CSA_NEXTLINE
88 array->Set(1U, expected);
89
90 size_t count = 0;
91 // SUPPRESS_CSA_NEXTLINE(alpha.core.WasteObjHeader)
92 auto handler = [array, &count, expected](ObjectHeader *obj, ObjectHeader *ref, uint32_t offset, bool is_volatile) {
93 ++count;
94 EXPECT_EQ(array, obj);
95 EXPECT_EQ(expected, ref);
96 EXPECT_EQ(ref, ObjectAccessor::GetObject<true>(obj, offset));
97 EXPECT_FALSE(is_volatile);
98 return true;
99 };
100 GCStaticObjectHelpers::TraverseAllObjectsWithInfo(array, handler); // SUPPRESS_CSA(alpha.core.WasteObjHeader)
101 ASSERT_EQ(2U, count);
102 }
103 } // namespace panda::mem
104