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/*
* 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 "utils.h"
#include "common_runtime_test.h"
#include "mirror/array.h"
#include "mirror/array-inl.h"
#include "mirror/object-inl.h"
#include "mirror/object_array-inl.h"
#include "mirror/string.h"
#include "scoped_thread_state_change.h"
#include "handle_scope-inl.h"
#include <valgrind.h>
namespace art {
std::string PrettyArguments(const char* signature);
std::string PrettyReturnType(const char* signature);
class UtilsTest : public CommonRuntimeTest {};
TEST_F(UtilsTest, PrettyDescriptor_ArrayReferences) {
EXPECT_EQ("java.lang.Class[]", PrettyDescriptor("[Ljava/lang/Class;"));
EXPECT_EQ("java.lang.Class[][]", PrettyDescriptor("[[Ljava/lang/Class;"));
}
TEST_F(UtilsTest, PrettyDescriptor_ScalarReferences) {
EXPECT_EQ("java.lang.String", PrettyDescriptor("Ljava.lang.String;"));
EXPECT_EQ("java.lang.String", PrettyDescriptor("Ljava/lang/String;"));
}
TEST_F(UtilsTest, PrettyDescriptor_Primitive) {
EXPECT_EQ("boolean", PrettyDescriptor(Primitive::kPrimBoolean));
EXPECT_EQ("byte", PrettyDescriptor(Primitive::kPrimByte));
EXPECT_EQ("char", PrettyDescriptor(Primitive::kPrimChar));
EXPECT_EQ("short", PrettyDescriptor(Primitive::kPrimShort));
EXPECT_EQ("int", PrettyDescriptor(Primitive::kPrimInt));
EXPECT_EQ("float", PrettyDescriptor(Primitive::kPrimFloat));
EXPECT_EQ("long", PrettyDescriptor(Primitive::kPrimLong));
EXPECT_EQ("double", PrettyDescriptor(Primitive::kPrimDouble));
EXPECT_EQ("void", PrettyDescriptor(Primitive::kPrimVoid));
}
TEST_F(UtilsTest, PrettyDescriptor_PrimitiveArrays) {
EXPECT_EQ("boolean[]", PrettyDescriptor("[Z"));
EXPECT_EQ("boolean[][]", PrettyDescriptor("[[Z"));
EXPECT_EQ("byte[]", PrettyDescriptor("[B"));
EXPECT_EQ("byte[][]", PrettyDescriptor("[[B"));
EXPECT_EQ("char[]", PrettyDescriptor("[C"));
EXPECT_EQ("char[][]", PrettyDescriptor("[[C"));
EXPECT_EQ("double[]", PrettyDescriptor("[D"));
EXPECT_EQ("double[][]", PrettyDescriptor("[[D"));
EXPECT_EQ("float[]", PrettyDescriptor("[F"));
EXPECT_EQ("float[][]", PrettyDescriptor("[[F"));
EXPECT_EQ("int[]", PrettyDescriptor("[I"));
EXPECT_EQ("int[][]", PrettyDescriptor("[[I"));
EXPECT_EQ("long[]", PrettyDescriptor("[J"));
EXPECT_EQ("long[][]", PrettyDescriptor("[[J"));
EXPECT_EQ("short[]", PrettyDescriptor("[S"));
EXPECT_EQ("short[][]", PrettyDescriptor("[[S"));
}
TEST_F(UtilsTest, PrettyDescriptor_PrimitiveScalars) {
EXPECT_EQ("boolean", PrettyDescriptor("Z"));
EXPECT_EQ("byte", PrettyDescriptor("B"));
EXPECT_EQ("char", PrettyDescriptor("C"));
EXPECT_EQ("double", PrettyDescriptor("D"));
EXPECT_EQ("float", PrettyDescriptor("F"));
EXPECT_EQ("int", PrettyDescriptor("I"));
EXPECT_EQ("long", PrettyDescriptor("J"));
EXPECT_EQ("short", PrettyDescriptor("S"));
}
TEST_F(UtilsTest, PrettyArguments) {
EXPECT_EQ("()", PrettyArguments("()V"));
EXPECT_EQ("(int)", PrettyArguments("(I)V"));
EXPECT_EQ("(int, int)", PrettyArguments("(II)V"));
EXPECT_EQ("(int, int, int[][])", PrettyArguments("(II[[I)V"));
EXPECT_EQ("(int, int, int[][], java.lang.Poop)", PrettyArguments("(II[[ILjava/lang/Poop;)V"));
EXPECT_EQ("(int, int, int[][], java.lang.Poop, java.lang.Poop[][])", PrettyArguments("(II[[ILjava/lang/Poop;[[Ljava/lang/Poop;)V"));
}
TEST_F(UtilsTest, PrettyReturnType) {
EXPECT_EQ("void", PrettyReturnType("()V"));
EXPECT_EQ("int", PrettyReturnType("()I"));
EXPECT_EQ("int[][]", PrettyReturnType("()[[I"));
EXPECT_EQ("java.lang.Poop", PrettyReturnType("()Ljava/lang/Poop;"));
EXPECT_EQ("java.lang.Poop[][]", PrettyReturnType("()[[Ljava/lang/Poop;"));
}
TEST_F(UtilsTest, PrettyTypeOf) {
ScopedObjectAccess soa(Thread::Current());
EXPECT_EQ("null", PrettyTypeOf(NULL));
StackHandleScope<2> hs(soa.Self());
Handle<mirror::String> s(hs.NewHandle(mirror::String::AllocFromModifiedUtf8(soa.Self(), "")));
EXPECT_EQ("java.lang.String", PrettyTypeOf(s.Get()));
Handle<mirror::ShortArray> a(hs.NewHandle(mirror::ShortArray::Alloc(soa.Self(), 2)));
EXPECT_EQ("short[]", PrettyTypeOf(a.Get()));
mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
ASSERT_TRUE(c != NULL);
mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
EXPECT_EQ("java.lang.String[]", PrettyTypeOf(o));
EXPECT_EQ("java.lang.Class<java.lang.String[]>", PrettyTypeOf(o->GetClass()));
}
TEST_F(UtilsTest, PrettyClass) {
ScopedObjectAccess soa(Thread::Current());
EXPECT_EQ("null", PrettyClass(NULL));
mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
ASSERT_TRUE(c != NULL);
mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
EXPECT_EQ("java.lang.Class<java.lang.String[]>", PrettyClass(o->GetClass()));
}
TEST_F(UtilsTest, PrettyClassAndClassLoader) {
ScopedObjectAccess soa(Thread::Current());
EXPECT_EQ("null", PrettyClassAndClassLoader(NULL));
mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
ASSERT_TRUE(c != NULL);
mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
EXPECT_EQ("java.lang.Class<java.lang.String[],null>", PrettyClassAndClassLoader(o->GetClass()));
}
TEST_F(UtilsTest, PrettyField) {
ScopedObjectAccess soa(Thread::Current());
EXPECT_EQ("null", PrettyField(NULL));
mirror::Class* java_lang_String = class_linker_->FindSystemClass(soa.Self(),
"Ljava/lang/String;");
mirror::ArtField* f;
f = java_lang_String->FindDeclaredInstanceField("count", "I");
EXPECT_EQ("int java.lang.String.count", PrettyField(f));
EXPECT_EQ("java.lang.String.count", PrettyField(f, false));
f = java_lang_String->FindDeclaredInstanceField("value", "[C");
EXPECT_EQ("char[] java.lang.String.value", PrettyField(f));
EXPECT_EQ("java.lang.String.value", PrettyField(f, false));
}
TEST_F(UtilsTest, PrettySize) {
EXPECT_EQ("1GB", PrettySize(1 * GB));
EXPECT_EQ("2GB", PrettySize(2 * GB));
if (sizeof(size_t) > sizeof(uint32_t)) {
EXPECT_EQ("100GB", PrettySize(100 * GB));
}
EXPECT_EQ("1024KB", PrettySize(1 * MB));
EXPECT_EQ("10MB", PrettySize(10 * MB));
EXPECT_EQ("100MB", PrettySize(100 * MB));
EXPECT_EQ("1024B", PrettySize(1 * KB));
EXPECT_EQ("10KB", PrettySize(10 * KB));
EXPECT_EQ("100KB", PrettySize(100 * KB));
EXPECT_EQ("0B", PrettySize(0));
EXPECT_EQ("1B", PrettySize(1));
EXPECT_EQ("10B", PrettySize(10));
EXPECT_EQ("100B", PrettySize(100));
EXPECT_EQ("512B", PrettySize(512));
}
TEST_F(UtilsTest, PrettyDuration) {
const uint64_t one_sec = 1000000000;
const uint64_t one_ms = 1000000;
const uint64_t one_us = 1000;
EXPECT_EQ("1s", PrettyDuration(1 * one_sec));
EXPECT_EQ("10s", PrettyDuration(10 * one_sec));
EXPECT_EQ("100s", PrettyDuration(100 * one_sec));
EXPECT_EQ("1.001s", PrettyDuration(1 * one_sec + one_ms));
EXPECT_EQ("1.000001s", PrettyDuration(1 * one_sec + one_us, 6));
EXPECT_EQ("1.000000001s", PrettyDuration(1 * one_sec + 1, 9));
EXPECT_EQ("1.000s", PrettyDuration(1 * one_sec + one_us, 3));
EXPECT_EQ("1ms", PrettyDuration(1 * one_ms));
EXPECT_EQ("10ms", PrettyDuration(10 * one_ms));
EXPECT_EQ("100ms", PrettyDuration(100 * one_ms));
EXPECT_EQ("1.001ms", PrettyDuration(1 * one_ms + one_us));
EXPECT_EQ("1.000001ms", PrettyDuration(1 * one_ms + 1, 6));
EXPECT_EQ("1us", PrettyDuration(1 * one_us));
EXPECT_EQ("10us", PrettyDuration(10 * one_us));
EXPECT_EQ("100us", PrettyDuration(100 * one_us));
EXPECT_EQ("1.001us", PrettyDuration(1 * one_us + 1));
EXPECT_EQ("1ns", PrettyDuration(1));
EXPECT_EQ("10ns", PrettyDuration(10));
EXPECT_EQ("100ns", PrettyDuration(100));
}
TEST_F(UtilsTest, MangleForJni) {
ScopedObjectAccess soa(Thread::Current());
EXPECT_EQ("hello_00024world", MangleForJni("hello$world"));
EXPECT_EQ("hello_000a9world", MangleForJni("hello\xc2\xa9world"));
EXPECT_EQ("hello_1world", MangleForJni("hello_world"));
EXPECT_EQ("Ljava_lang_String_2", MangleForJni("Ljava/lang/String;"));
EXPECT_EQ("_3C", MangleForJni("[C"));
}
TEST_F(UtilsTest, JniShortName_JniLongName) {
ScopedObjectAccess soa(Thread::Current());
mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/String;");
ASSERT_TRUE(c != NULL);
mirror::ArtMethod* m;
m = c->FindVirtualMethod("charAt", "(I)C");
ASSERT_TRUE(m != NULL);
EXPECT_EQ("Java_java_lang_String_charAt", JniShortName(m));
EXPECT_EQ("Java_java_lang_String_charAt__I", JniLongName(m));
m = c->FindVirtualMethod("indexOf", "(Ljava/lang/String;I)I");
ASSERT_TRUE(m != NULL);
EXPECT_EQ("Java_java_lang_String_indexOf", JniShortName(m));
EXPECT_EQ("Java_java_lang_String_indexOf__Ljava_lang_String_2I", JniLongName(m));
m = c->FindDirectMethod("copyValueOf", "([CII)Ljava/lang/String;");
ASSERT_TRUE(m != NULL);
EXPECT_EQ("Java_java_lang_String_copyValueOf", JniShortName(m));
EXPECT_EQ("Java_java_lang_String_copyValueOf___3CII", JniLongName(m));
}
TEST_F(UtilsTest, Split) {
std::vector<std::string> actual;
std::vector<std::string> expected;
expected.clear();
actual.clear();
Split("", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split(":", ':', &actual);
EXPECT_EQ(expected, actual);
expected.clear();
expected.push_back("foo");
actual.clear();
Split(":foo", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split("foo:", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split(":foo:", ':', &actual);
EXPECT_EQ(expected, actual);
expected.push_back("bar");
actual.clear();
Split("foo:bar", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split(":foo:bar", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split("foo:bar:", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split(":foo:bar:", ':', &actual);
EXPECT_EQ(expected, actual);
expected.push_back("baz");
actual.clear();
Split("foo:bar:baz", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split(":foo:bar:baz", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split("foo:bar:baz:", ':', &actual);
EXPECT_EQ(expected, actual);
actual.clear();
Split(":foo:bar:baz:", ':', &actual);
EXPECT_EQ(expected, actual);
}
TEST_F(UtilsTest, Join) {
std::vector<std::string> strings;
strings.clear();
EXPECT_EQ("", Join(strings, ':'));
strings.clear();
strings.push_back("foo");
EXPECT_EQ("foo", Join(strings, ':'));
strings.clear();
strings.push_back("");
strings.push_back("foo");
EXPECT_EQ(":foo", Join(strings, ':'));
strings.clear();
strings.push_back("foo");
strings.push_back("");
EXPECT_EQ("foo:", Join(strings, ':'));
strings.clear();
strings.push_back("");
strings.push_back("foo");
strings.push_back("");
EXPECT_EQ(":foo:", Join(strings, ':'));
strings.clear();
strings.push_back("foo");
strings.push_back("bar");
EXPECT_EQ("foo:bar", Join(strings, ':'));
strings.clear();
strings.push_back("foo");
strings.push_back("bar");
strings.push_back("baz");
EXPECT_EQ("foo:bar:baz", Join(strings, ':'));
}
TEST_F(UtilsTest, StartsWith) {
EXPECT_FALSE(StartsWith("foo", "bar"));
EXPECT_TRUE(StartsWith("foo", "foo"));
EXPECT_TRUE(StartsWith("food", "foo"));
EXPECT_FALSE(StartsWith("fo", "foo"));
}
TEST_F(UtilsTest, EndsWith) {
EXPECT_FALSE(EndsWith("foo", "bar"));
EXPECT_TRUE(EndsWith("foo", "foo"));
EXPECT_TRUE(EndsWith("foofoo", "foo"));
EXPECT_FALSE(EndsWith("oo", "foo"));
}
TEST_F(UtilsTest, GetDalvikCacheFilenameOrDie) {
EXPECT_STREQ("/foo/system@app@Foo.apk@classes.dex",
GetDalvikCacheFilenameOrDie("/system/app/Foo.apk", "/foo").c_str());
EXPECT_STREQ("/foo/data@app@foo-1.apk@classes.dex",
GetDalvikCacheFilenameOrDie("/data/app/foo-1.apk", "/foo").c_str());
EXPECT_STREQ("/foo/system@framework@core.jar@classes.dex",
GetDalvikCacheFilenameOrDie("/system/framework/core.jar", "/foo").c_str());
EXPECT_STREQ("/foo/system@framework@boot.art",
GetDalvikCacheFilenameOrDie("/system/framework/boot.art", "/foo").c_str());
EXPECT_STREQ("/foo/system@framework@boot.oat",
GetDalvikCacheFilenameOrDie("/system/framework/boot.oat", "/foo").c_str());
}
TEST_F(UtilsTest, GetSystemImageFilename) {
EXPECT_STREQ("/system/framework/arm/boot.art",
GetSystemImageFilename("/system/framework/boot.art", kArm).c_str());
}
TEST_F(UtilsTest, DexFilenameToOdexFilename) {
EXPECT_STREQ("/foo/bar/arm/baz.odex",
DexFilenameToOdexFilename("/foo/bar/baz.jar", kArm).c_str());
}
TEST_F(UtilsTest, ExecSuccess) {
std::vector<std::string> command;
if (kIsTargetBuild) {
command.push_back("/system/bin/id");
} else {
command.push_back("/usr/bin/id");
}
std::string error_msg;
if (RUNNING_ON_VALGRIND == 0) {
// Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
EXPECT_TRUE(Exec(command, &error_msg));
}
EXPECT_EQ(0U, error_msg.size()) << error_msg;
}
TEST_F(UtilsTest, ExecError) {
std::vector<std::string> command;
command.push_back("bogus");
std::string error_msg;
if (RUNNING_ON_VALGRIND == 0) {
// Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
EXPECT_FALSE(Exec(command, &error_msg));
EXPECT_NE(0U, error_msg.size());
}
}
TEST_F(UtilsTest, RoundUpToPowerOfTwo) {
// Tests the constexpr variant since all the parameters are constexpr
EXPECT_EQ(0, RoundUpToPowerOfTwo(0));
EXPECT_EQ(1, RoundUpToPowerOfTwo(1));
EXPECT_EQ(2, RoundUpToPowerOfTwo(2));
EXPECT_EQ(4, RoundUpToPowerOfTwo(3));
EXPECT_EQ(8, RoundUpToPowerOfTwo(7));
EXPECT_EQ(0b10000L, RoundUpToPowerOfTwo(0b01101L));
EXPECT_EQ(1ULL << 63, RoundUpToPowerOfTwo(1ULL << 62 | 1ULL));
}
TEST_F(UtilsTest, MostSignificantBit) {
EXPECT_EQ(-1, MostSignificantBit(0));
EXPECT_EQ(0, MostSignificantBit(1));
EXPECT_EQ(31, MostSignificantBit(~static_cast<uint32_t>(0)));
EXPECT_EQ(2, MostSignificantBit(0b110));
EXPECT_EQ(2, MostSignificantBit(0b100));
}
TEST_F(UtilsTest, MinimumBitsToStore) {
EXPECT_EQ(0u, MinimumBitsToStore(0));
EXPECT_EQ(1u, MinimumBitsToStore(1));
EXPECT_EQ(2u, MinimumBitsToStore(0b10));
EXPECT_EQ(2u, MinimumBitsToStore(0b11));
EXPECT_EQ(3u, MinimumBitsToStore(0b100));
EXPECT_EQ(3u, MinimumBitsToStore(0b110));
EXPECT_EQ(3u, MinimumBitsToStore(0b101));
EXPECT_EQ(8u, MinimumBitsToStore(0xFF));
EXPECT_EQ(32u, MinimumBitsToStore(~static_cast<uint32_t>(0)));
}
} // namespace art