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#!/usr/bin/python3
#
# Copyright (C) 2015 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.
"""
Generate Smali test files for test 966.
"""
import os
import sys
from pathlib import Path
BUILD_TOP = os.getenv("ANDROID_BUILD_TOP")
if BUILD_TOP is None:
print("ANDROID_BUILD_TOP not set. Please run build/envsetup.sh", file=sys.stderr)
sys.exit(1)
# Allow us to import utils and mixins.
sys.path.append(str(Path(BUILD_TOP)/"art"/"test"/"utils"/"python"))
from testgen.utils import get_copyright, subtree_sizes, gensym, filter_blanks
import testgen.mixins as mixins
from functools import total_ordering
import itertools
import string
# The max depth the tree can have.
MAX_IFACE_DEPTH = 3
class MainClass(mixins.DumpMixin, mixins.Named, mixins.SmaliFileMixin):
"""
A Main.smali file containing the Main class and the main function. It will run
all the test functions we have.
"""
MAIN_CLASS_TEMPLATE = """{copyright}
.class public LMain;
.super Ljava/lang/Object;
# class Main {{
.method public constructor <init>()V
.registers 1
invoke-direct {{p0}}, Ljava/lang/Object;-><init>()V
return-void
.end method
{test_groups}
{main_func}
# }}
"""
MAIN_FUNCTION_TEMPLATE = """
# public static void main(String[] args) {{
.method public static main([Ljava/lang/String;)V
.locals 2
{test_group_invoke}
return-void
.end method
# }}
"""
TEST_GROUP_INVOKE_TEMPLATE = """
# {test_name}();
invoke-static {{}}, {test_name}()V
"""
def __init__(self):
"""
Initialize this MainClass. We start out with no tests.
"""
self.tests = set()
def add_test(self, ty):
"""
Add a test for the concrete type 'ty'
"""
self.tests.add(Func(ty))
def get_expected(self):
"""
Get the expected output of this test.
"""
all_tests = sorted(self.tests)
return filter_blanks("\n".join(a.get_expected() for a in all_tests))
def initial_build_different(self):
return False
def get_name(self):
"""
Gets the name of this class
"""
return "Main"
def __str__(self):
"""
Print the smali code for this test.
"""
all_tests = sorted(self.tests)
test_invoke = ""
test_groups = ""
for t in all_tests:
test_groups += str(t)
for t in all_tests:
test_invoke += self.TEST_GROUP_INVOKE_TEMPLATE.format(test_name=t.get_name())
main_func = self.MAIN_FUNCTION_TEMPLATE.format(test_group_invoke=test_invoke)
return self.MAIN_CLASS_TEMPLATE.format(copyright = get_copyright('smali'),
test_groups = test_groups,
main_func = main_func)
class Func(mixins.Named, mixins.NameComparableMixin):
"""
A function that tests the functionality of a concrete type. Should only be
constructed by MainClass.add_test.
"""
TEST_FUNCTION_TEMPLATE = """
# public static void {fname}() {{
# try {{
# {farg} v = new {farg}();
# System.out.println("Testing {tree}");
# v.testAll();
# System.out.println("Success: testing {tree}");
# return;
# }} catch (Exception e) {{
# System.out.println("Failure: testing {tree}");
# e.printStackTrace(System.out);
# return;
# }}
# }}
.method public static {fname}()V
.locals 7
:call_{fname}_try_start
sget-object v2, Ljava/lang/System;->out:Ljava/io/PrintStream;
new-instance v6, L{farg};
invoke-direct {{v6}}, L{farg};-><init>()V
const-string v3, "Testing {tree}"
invoke-virtual {{v2, v3}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
invoke-virtual {{v6}}, L{farg};->testAll()V
const-string v3, "Success: testing {tree}"
invoke-virtual {{v2, v3}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
return-void
:call_{fname}_try_end
.catch Ljava/lang/Exception; {{:call_{fname}_try_start .. :call_{fname}_try_end}} :error_{fname}_start
:error_{fname}_start
move-exception v3
sget-object v2, Ljava/lang/System;->out:Ljava/io/PrintStream;
const-string v4, "Failure: testing {tree}"
invoke-virtual {{v2, v3}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
invoke-virtual {{v3,v2}}, Ljava/lang/Error;->printStackTrace(Ljava/io/PrintStream;)V
return-void
.end method
"""
OUTPUT_FORMAT = """
Testing {tree}
{test_output}
Success: testing {tree}
""".strip()
def __init__(self, farg):
"""
Initialize a test function for the given argument
"""
self.farg = farg
def __str__(self):
"""
Print the smali code for this test function.
"""
return self.TEST_FUNCTION_TEMPLATE.format(fname = self.get_name(),
farg = self.farg.get_name(),
tree = self.farg.get_tree())
def get_name(self):
"""
Gets the name of this test function
"""
return "TEST_FUNC_{}".format(self.farg.get_name())
def get_expected(self):
"""
Get the expected output of this function.
"""
return self.OUTPUT_FORMAT.format(
tree = self.farg.get_tree(),
test_output = self.farg.get_test_output().strip())
class TestClass(mixins.DumpMixin, mixins.Named, mixins.NameComparableMixin, mixins.SmaliFileMixin):
"""
A class that will be instantiated to test interface initialization order.
"""
TEST_CLASS_TEMPLATE = """{copyright}
.class public L{class_name};
.super Ljava/lang/Object;
{implements_spec}
# public class {class_name} implements {ifaces} {{
#
# public {class_name}() {{
# }}
.method public constructor <init>()V
.locals 2
invoke-direct {{p0}}, Ljava/lang/Object;-><init>()V
return-void
.end method
# public String getCalledInterface() {{
# throw new Error("Should not be called");
# }}
.method public getCalledInterface()V
.locals 2
const-string v0, "Should not be called"
new-instance v1, Ljava/lang/Error;
invoke-direct {{v1, v0}}, Ljava/lang/Error;-><init>(Ljava/lang/String;)V
throw v1
.end method
# public void testAll() {{
# boolean failed = false;
# Error exceptions = new Error("Test failures");
.method public testAll()V
.locals 5
const/4 v0, 0
const-string v1, "Test failures"
new-instance v2, Ljava/lang/Error;
invoke-direct {{v2, v1}}, Ljava/lang/Error;-><init>(Ljava/lang/String;)V
{test_calls}
# if (failed) {{
if-eqz v0, :end
# throw exceptions;
throw v2
:end
# }}
return-void
# }}
.end method
{test_funcs}
# }}
"""
IMPLEMENTS_TEMPLATE = """
.implements L{iface_name};
"""
TEST_CALL_TEMPLATE = """
# try {{
# test_{iface}_super();
# }} catch (Throwable t) {{
# exceptions.addSuppressed(t);
# failed = true;
# }}
:try_{iface}_start
invoke-virtual {{p0}}, L{class_name};->test_{iface}_super()V
goto :error_{iface}_end
:try_{iface}_end
.catch Ljava/lang/Throwable; {{:try_{iface}_start .. :try_{iface}_end}} :error_{iface}_start
:error_{iface}_start
move-exception v3
invoke-virtual {{v2, v3}}, Ljava/lang/Throwable;->addSuppressed(Ljava/lang/Throwable;)V
const/4 v0, 1
:error_{iface}_end
"""
TEST_FUNC_TEMPLATE = """
# public void test_{iface}_super() {{
# try {{
# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): " +
# {iface}.super.getCalledInterface());
# }} catch (NoSuchMethodError e) {{
# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): NoSuchMethodError");
# }} catch (IncompatibleClassChangeError e) {{
# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): IncompatibleClassChangeError");
# }} catch (Throwable t) {{
# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): Unknown error occurred");
# throw t;
# }}
# }}
.method public test_{iface}_super()V
.locals 3
sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;
:try_start
const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): "
invoke-super {{p0}}, L{iface};->getCalledInterface()Ljava/lang/String;
move-result-object v2
invoke-virtual {{v1, v2}}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;
move-result-object v1
invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
return-void
:try_end
.catch Ljava/lang/NoSuchMethodError; {{:try_start .. :try_end}} :AME_catch
.catch Ljava/lang/IncompatibleClassChangeError; {{:try_start .. :try_end}} :ICCE_catch
.catch Ljava/lang/Throwable; {{:try_start .. :try_end}} :throwable_catch
:AME_catch
const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): NoSuchMethodError"
invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
return-void
:ICCE_catch
const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): IncompatibleClassChangeError"
invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
return-void
:throwable_catch
move-exception v2
const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): Unknown error occurred"
invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
throw v2
.end method
""".strip()
OUTPUT_TEMPLATE = "{class_name} -> {iface}.super.getCalledInterface(): {result}"
def __init__(self, ifaces, name = None):
"""
Initialize this test class which implements the given interfaces
"""
self.ifaces = ifaces
if name is None:
self.class_name = "CLASS_"+gensym()
else:
self.class_name = name
def get_initial_build_version(self):
"""
Returns a version of this class that can be used for the initial build (meaning no compiler
checks will be triggered).
"""
return TestClass([i.get_initial_build_version() for i in self.ifaces], self.class_name)
def initial_build_different(self):
return False
def get_name(self):
"""
Gets the name of this interface
"""
return self.class_name
def get_tree(self):
"""
Print out a representation of the type tree of this class
"""
return "[{fname} {iftree}]".format(fname = self.get_name(), iftree = print_tree(self.ifaces))
def get_test_output(self):
return '\n'.join(map(lambda a: self.OUTPUT_TEMPLATE.format(class_name = self.get_name(),
iface = a.get_name(),
result = a.get_output()),
self.ifaces))
def __str__(self):
"""
Print the smali code for this class.
"""
funcs = '\n'.join(map(lambda a: self.TEST_FUNC_TEMPLATE.format(iface = a.get_name(),
class_name = self.get_name()),
self.ifaces))
calls = '\n'.join(map(lambda a: self.TEST_CALL_TEMPLATE.format(iface = a.get_name(),
class_name = self.get_name()),
self.ifaces))
s_ifaces = '\n'.join(map(lambda a: self.IMPLEMENTS_TEMPLATE.format(iface_name = a.get_name()),
self.ifaces))
j_ifaces = ', '.join(map(lambda a: a.get_name(), self.ifaces))
return self.TEST_CLASS_TEMPLATE.format(copyright = get_copyright('smali'),
implements_spec = s_ifaces,
ifaces = j_ifaces,
class_name = self.class_name,
test_funcs = funcs,
test_calls = calls)
class IncompatibleClassChangeErrorResult(mixins.Named):
def get_name(self):
return "IncompatibleClassChangeError"
ICCE = IncompatibleClassChangeErrorResult()
class NoSuchMethodErrorResult(mixins.Named):
def get_name(self):
return "NoSuchMethodError"
NSME = NoSuchMethodErrorResult()
class TestInterface(mixins.DumpMixin, mixins.Named, mixins.NameComparableMixin, mixins.SmaliFileMixin):
"""
An interface that will be used to test default method resolution order.
"""
TEST_INTERFACE_TEMPLATE = """{copyright}
.class public abstract interface L{class_name};
.super Ljava/lang/Object;
{implements_spec}
# public interface {class_name} {extends} {ifaces} {{
{funcs}
# }}
"""
ABSTRACT_FUNC_TEMPLATE = """
"""
DEFAULT_FUNC_TEMPLATE = """
# public default String getCalledInterface() {{
# return "{class_name}";
# }}
.method public getCalledInterface()Ljava/lang/String;
.locals 1
const-string v0, "{class_name}"
return-object v0
.end method
"""
IMPLEMENTS_TEMPLATE = """
.implements L{iface_name};
"""
def __init__(self, ifaces, default, name = None):
"""
Initialize interface with the given super-interfaces
"""
self.ifaces = ifaces
self.default = default
if name is None:
end = "_DEFAULT" if default else ""
self.class_name = "INTERFACE_"+gensym()+end
else:
self.class_name = name
def get_initial_build_version(self):
"""
Returns a version of this class that can be used for the initial build (meaning no compiler
checks will be triggered).
"""
return TestInterface([i.get_initial_build_version() for i in self.ifaces],
True,
self.class_name)
def initial_build_different(self):
return not self.default
def get_name(self):
"""
Gets the name of this interface
"""
return self.class_name
def __iter__(self):
"""
Performs depth-first traversal of the interface tree this interface is the
root of. Does not filter out repeats.
"""
for i in self.ifaces:
yield i
yield from i
def get_called(self):
"""
Get the interface whose default method would be called when calling the
CalledInterfaceName function.
"""
all_ifaces = set(iface for iface in self if iface.default)
for i in all_ifaces:
if all(map(lambda j: i not in j.get_super_types(), all_ifaces)):
return i
return ICCE if any(map(lambda i: i.default, all_ifaces)) else NSME
def get_super_types(self):
"""
Returns a set of all the supertypes of this interface
"""
return set(i2 for i2 in self)
def get_output(self):
if self.default:
return self.get_name()
else:
return self.get_called().get_name()
def get_tree(self):
"""
Print out a representation of the type tree of this class
"""
return "[{class_name} {iftree}]".format(class_name = self.get_name(),
iftree = print_tree(self.ifaces))
def __str__(self):
"""
Print the smali code for this interface.
"""
s_ifaces = '\n'.join(map(lambda a: self.IMPLEMENTS_TEMPLATE.format(iface_name = a.get_name()),
self.ifaces))
j_ifaces = ', '.join(map(lambda a: a.get_name(), self.ifaces))
if self.default:
funcs = self.DEFAULT_FUNC_TEMPLATE.format(class_name = self.class_name)
else:
funcs = self.ABSTRACT_FUNC_TEMPLATE
return self.TEST_INTERFACE_TEMPLATE.format(copyright = get_copyright('smali'),
implements_spec = s_ifaces,
extends = "extends" if len(self.ifaces) else "",
ifaces = j_ifaces,
funcs = funcs,
class_name = self.class_name)
def dump_tree(ifaces):
"""
Yields all the interfaces transitively implemented by the set in
reverse-depth-first order
"""
for i in ifaces:
yield from dump_tree(i.ifaces)
yield i
def print_tree(ifaces):
"""
Prints the tree for the given ifaces.
"""
return " ".join(i.get_tree() for i in ifaces)
# Cached output of subtree_sizes for speed of access.
SUBTREES = [set(tuple(sorted(l)) for l in subtree_sizes(i)) for i in range(MAX_IFACE_DEPTH + 1)]
def create_test_classes():
"""
Yield all the test classes with the different interface trees
"""
for num in range(1, MAX_IFACE_DEPTH + 1):
for split in SUBTREES[num]:
ifaces = []
for sub in split:
ifaces.append(list(create_interface_trees(sub)))
for supers in itertools.product(*ifaces):
yield TestClass(supers)
def create_interface_trees(num):
"""
Yield all the interface trees up to 'num' depth.
"""
if num == 0:
yield TestInterface(tuple(), False)
yield TestInterface(tuple(), True)
return
for split in SUBTREES[num]:
ifaces = []
for sub in split:
ifaces.append(list(create_interface_trees(sub)))
for supers in itertools.product(*ifaces):
yield TestInterface(supers, False)
yield TestInterface(supers, True)
for selected in (set(dump_tree(supers)) - set(supers)):
yield TestInterface(tuple([selected] + list(supers)), True)
yield TestInterface(tuple([selected] + list(supers)), False)
# TODO Should add on some from higher up the tree.
def create_all_test_files():
"""
Creates all the objects representing the files in this test. They just need to
be dumped.
"""
mc = MainClass()
classes = {mc}
for clazz in create_test_classes():
classes.add(clazz)
for i in dump_tree(clazz.ifaces):
classes.add(i)
mc.add_test(clazz)
return mc, classes
def main(argv):
smali_dir = Path(argv[1])
if not smali_dir.exists() or not smali_dir.is_dir():
print("{} is not a valid smali dir".format(smali_dir), file=sys.stderr)
sys.exit(1)
expected_txt = Path(argv[2])
mainclass, all_files = create_all_test_files()
with expected_txt.open('w') as out:
print(mainclass.get_expected(), file=out)
for f in all_files:
f.dump(smali_dir)
if __name__ == '__main__':
main(sys.argv)