Move output_stream files out of runtime.

Also move image_test and oat_test that are more writing tests.

Change-Id: I6af1400d8e745bbf87f626ca87dae3e2d85b40f1

1 files changed, 168 insertions, 0 deletions

diff --git a/compiler/oat_test.cc b/compiler/oat_test.cc
new file mode 100644
index 000000000..74b5da9ef
--- /dev/null
+++ b/compiler/oat_test.cc
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "compiler/oat_writer.h"
+#include "mirror/art_method-inl.h"
+#include "mirror/class-inl.h"
+#include "mirror/object_array-inl.h"
+#include "mirror/object-inl.h"
+#include "oat_file.h"
+#include "vector_output_stream.h"
+
+#include "common_test.h"
+
+namespace art {
+
+class OatTest : public CommonTest {
+ protected:
+  void CheckMethod(mirror::ArtMethod* method,
+                   const OatFile::OatMethod& oat_method,
+                   const DexFile* dex_file)
+      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+    const CompiledMethod* compiled_method =
+        compiler_driver_->GetCompiledMethod(MethodReference(dex_file,
+                                                            method->GetDexMethodIndex()));
+
+    if (compiled_method == NULL) {
+      EXPECT_TRUE(oat_method.GetCode() == NULL) << PrettyMethod(method) << " "
+                                                << oat_method.GetCode();
+#if !defined(ART_USE_PORTABLE_COMPILER)
+      EXPECT_EQ(oat_method.GetFrameSizeInBytes(), static_cast<uint32_t>(kStackAlignment));
+      EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U);
+      EXPECT_EQ(oat_method.GetFpSpillMask(), 0U);
+#endif
+    } else {
+      const void* oat_code = oat_method.GetCode();
+      EXPECT_TRUE(oat_code != NULL) << PrettyMethod(method);
+      uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(oat_code), 2);
+      oat_code = reinterpret_cast<const void*>(oat_code_aligned);
+
+      const std::vector<uint8_t>& code = compiled_method->GetCode();
+      size_t code_size = code.size() * sizeof(code[0]);
+      EXPECT_EQ(0, memcmp(oat_code, &code[0], code_size))
+          << PrettyMethod(method) << " " << code_size;
+      CHECK_EQ(0, memcmp(oat_code, &code[0], code_size));
+#if !defined(ART_USE_PORTABLE_COMPILER)
+      EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes());
+      EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask());
+      EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask());
+#endif
+    }
+  }
+};
+
+TEST_F(OatTest, WriteRead) {
+  const bool compile = false;  // DISABLED_ due to the time to compile libcore
+  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+
+  // TODO: make selectable
+#if defined(ART_USE_PORTABLE_COMPILER)
+  CompilerBackend compiler_backend = kPortable;
+#else
+  CompilerBackend compiler_backend = kQuick;
+#endif
+  InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86;
+  compiler_driver_.reset(new CompilerDriver(compiler_backend, insn_set, false, NULL, 2, true));
+  jobject class_loader = NULL;
+  if (compile) {
+    base::TimingLogger timings("OatTest::WriteRead", false, false);
+    compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), timings);
+  }
+
+  ScopedObjectAccess soa(Thread::Current());
+  ScratchFile tmp;
+  OatWriter oat_writer(class_linker->GetBootClassPath(),
+                       42U,
+                       4096U,
+                       "lue.art",
+                       compiler_driver_.get());
+  bool success = compiler_driver_->WriteElf(GetTestAndroidRoot(),
+                                            !kIsTargetBuild,
+                                            class_linker->GetBootClassPath(),
+                                            oat_writer,
+                                            tmp.GetFile());
+  ASSERT_TRUE(success);
+
+  if (compile) {  // OatWriter strips the code, regenerate to compare
+    base::TimingLogger timings("CommonTest::WriteRead", false, false);
+    compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), timings);
+  }
+  UniquePtr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), NULL, false));
+  ASSERT_TRUE(oat_file.get() != NULL);
+  const OatHeader& oat_header = oat_file->GetOatHeader();
+  ASSERT_TRUE(oat_header.IsValid());
+  ASSERT_EQ(2U, oat_header.GetDexFileCount());  // core and conscrypt
+  ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum());
+  ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin());
+  ASSERT_EQ("lue.art", oat_header.GetImageFileLocation());
+
+  const DexFile* dex_file = java_lang_dex_file_;
+  const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file->GetLocation());
+  CHECK_EQ(dex_file->GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum());
+  for (size_t i = 0; i < dex_file->NumClassDefs(); i++) {
+    const DexFile::ClassDef& class_def = dex_file->GetClassDef(i);
+    const byte* class_data = dex_file->GetClassData(class_def);
+    size_t num_virtual_methods =0;
+    if (class_data != NULL) {
+      ClassDataItemIterator it(*dex_file, class_data);
+      num_virtual_methods = it.NumVirtualMethods();
+    }
+    const char* descriptor = dex_file->GetClassDescriptor(class_def);
+
+    UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file->GetOatClass(i));
+
+    mirror::Class* klass = class_linker->FindClass(descriptor, NULL);
+
+    size_t method_index = 0;
+    for (size_t i = 0; i < klass->NumDirectMethods(); i++, method_index++) {
+      CheckMethod(klass->GetDirectMethod(i),
+                  oat_class->GetOatMethod(method_index), dex_file);
+    }
+    for (size_t i = 0; i < num_virtual_methods; i++, method_index++) {
+      CheckMethod(klass->GetVirtualMethod(i),
+                  oat_class->GetOatMethod(method_index), dex_file);
+    }
+  }
+}
+
+TEST_F(OatTest, OatHeaderSizeCheck) {
+  // If this test is failing and you have to update these constants,
+  // it is time to update OatHeader::kOatVersion
+  EXPECT_EQ(64U, sizeof(OatHeader));
+  EXPECT_EQ(28U, sizeof(OatMethodOffsets));
+}
+
+TEST_F(OatTest, OatHeaderIsValid) {
+    InstructionSet instruction_set = kX86;
+    std::vector<const DexFile*> dex_files;
+    uint32_t image_file_location_oat_checksum = 0;
+    uint32_t image_file_location_oat_begin = 0;
+    const std::string image_file_location;
+    OatHeader oat_header(instruction_set,
+                         &dex_files,
+                         image_file_location_oat_checksum,
+                         image_file_location_oat_begin,
+                         image_file_location);
+    ASSERT_TRUE(oat_header.IsValid());
+
+    char* magic = const_cast<char*>(oat_header.GetMagic());
+    strcpy(magic, "");  // bad magic
+    ASSERT_FALSE(oat_header.IsValid());
+    strcpy(magic, "oat\n000");  // bad version
+    ASSERT_FALSE(oat_header.IsValid());
+}
+
+}  // namespace art