1 files changed, 466 insertions, 0 deletions
diff --git a/test/961-default-iface-resolution-generated/util-src/generate_smali.py b/test/961-default-iface-resolution-generated/util-src/generate_smali.py
new file mode 100755
index 0000000000..921a096dd3
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+++ b/test/961-default-iface-resolution-generated/util-src/generate_smali.py
@@ -0,0 +1,466 @@
+#!/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 961.
+"""
+
+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 type tree can have. Includes the class object in the tree.
+# Increasing this increases the number of generated files significantly. This
+# value was chosen as it is fairly quick to run and very comprehensive, checking
+# every possible interface tree up to 5 layers deep.
+MAX_IFACE_DEPTH = 5
+
+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
+    sget-object v1, Ljava/lang/System;->out:Ljava/io/PrintStream;
+
+    {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 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 add_test(self, ty):
+    """
+    Add a test for the concrete type 'ty'
+    """
+    self.tests.add(Func(ty))
+
+  def get_name(self):
+    """
+    Get the name of this class
+    """
+    return "Main"
+
+  def __str__(self):
+    """
+    Print the MainClass smali code.
+    """
+    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.printf("%s calls default method on %s\\n",
+#                         v.CalledClassName(),
+#                         v.CalledInterfaceName());
+#       return;
+#     }} catch (Error e) {{
+#       e.printStackTrace(System.out);
+#       return;
+#     }}
+#   }}
+.method public static {fname}()V
+    .locals 7
+    :call_{fname}_try_start
+      new-instance v6, L{farg};
+      invoke-direct {{v6}}, L{farg};-><init>()V
+
+      const/4 v0, 2
+      new-array v1,v0, [Ljava/lang/Object;
+      const/4 v0, 0
+      invoke-virtual {{v6}}, L{farg};->CalledClassName()Ljava/lang/String;
+      move-result-object v4
+      aput-object v4,v1,v0
+
+      sget-object v2, Ljava/lang/System;->out:Ljava/io/PrintStream;
+      const-string v3, "%s calls default method on %s\\n"
+
+      invoke-virtual {{v6}}, L{farg};->CalledInterfaceName()Ljava/lang/String;
+      move-result-object v4
+      const/4 v0, 1
+      aput-object v4, v1, v0
+
+      invoke-virtual {{v2,v3,v1}}, Ljava/io/PrintStream;->printf(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
+      return-void
+    :call_{fname}_try_end
+    .catch Ljava/lang/Error; {{: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;
+      invoke-virtual {{v3,v2}}, Ljava/lang/Error;->printStackTrace(Ljava/io/PrintStream;)V
+      return-void
+.end method
+"""
+
+  def __init__(self, farg):
+    """
+    Initialize a test function for the given argument
+    """
+    self.farg = farg
+
+  def get_expected(self):
+    """
+    Get the expected output calling this function.
+    """
+    return "{tree} calls default method on {iface_tree}".format(
+        tree = self.farg.get_tree(), iface_tree = self.farg.get_called().get_tree())
+
+  def get_name(self):
+    """
+    Get the name of this function
+    """
+    return "TEST_FUNC_{}".format(self.farg.get_name())
+
+  def __str__(self):
+    """
+    Print the smali code of this function.
+    """
+    return self.TEST_FUNCTION_TEMPLATE.format(fname=self.get_name(), farg=self.farg.get_name())
+
+class TestClass(mixins.DumpMixin, mixins.Named, mixins.NameComparableMixin, mixins.SmaliFileMixin):
+  """
+  A class that will be instantiated to test default method resolution order.
+  """
+
+  TEST_CLASS_TEMPLATE = """{copyright}
+
+.class public L{class_name};
+.super Ljava/lang/Object;
+.implements L{iface_name};
+
+# public class {class_name} implements {iface_name} {{
+#   public String CalledClassName() {{
+#     return "{tree}";
+#   }}
+# }}
+
+.method public constructor <init>()V
+  .registers 1
+  invoke-direct {{p0}}, Ljava/lang/Object;-><init>()V
+  return-void
+.end method
+
+.method public CalledClassName()Ljava/lang/String;
+  .locals 1
+  const-string v0, "{tree}"
+  return-object v0
+.end method
+"""
+
+  def __init__(self, iface):
+    """
+    Initialize this test class which implements the given interface
+    """
+    self.iface = iface
+    self.class_name = "CLASS_"+gensym()
+
+  def get_name(self):
+    """
+    Get the name of this class
+    """
+    return self.class_name
+
+  def get_tree(self):
+    """
+    Print out a representation of the type tree of this class
+    """
+    return "[{class_name} {iface_tree}]".format(class_name = self.class_name,
+                                                iface_tree = self.iface.get_tree())
+
+  def __iter__(self):
+    """
+    Step through all interfaces implemented transitively by this class
+    """
+    yield self.iface
+    yield from self.iface
+
+  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
+    raise Exception("UNREACHABLE! Unable to find default method!")
+
+  def __str__(self):
+    """
+    Print the smali code of this class.
+    """
+    return self.TEST_CLASS_TEMPLATE.format(copyright = get_copyright('smali'),
+                                           iface_name = self.iface.get_name(),
+                                           tree = self.get_tree(),
+                                           class_name = self.class_name)
+
+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} {{
+#   public String CalledClassName();
+.method public abstract CalledClassName()Ljava/lang/String;
+.end method
+
+{funcs}
+
+# }}
+"""
+
+  DEFAULT_FUNC_TEMPLATE = """
+#   public default String CalledInterfaceName() {{
+#     return "{tree}";
+#   }}
+.method public CalledInterfaceName()Ljava/lang/String;
+  .locals 1
+  const-string v0, "{tree}"
+  return-object v0
+.end method
+"""
+
+  IMPLEMENTS_TEMPLATE = """
+.implements L{iface_name};
+"""
+
+  def __init__(self, ifaces, default):
+    """
+    Initialize interface with the given super-interfaces
+    """
+    self.ifaces = sorted(ifaces)
+    self.default = default
+    end = "_DEFAULT" if default else ""
+    self.class_name = "INTERFACE_"+gensym()+end
+
+  def get_super_types(self):
+    """
+    Returns a set of all the supertypes of this interface
+    """
+    return set(i2 for i2 in self)
+
+  def get_name(self):
+    """
+    Get the name of this class
+    """
+    return self.class_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 __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 __str__(self):
+    """
+    Print the smali code of this interface.
+    """
+    s_ifaces = " "
+    j_ifaces = " "
+    for i in self.ifaces:
+      s_ifaces += self.IMPLEMENTS_TEMPLATE.format(iface_name = i.get_name())
+      j_ifaces += " {},".format(i.get_name())
+    j_ifaces = j_ifaces[0:-1]
+    if self.default:
+      funcs = self.DEFAULT_FUNC_TEMPLATE.format(ifaces = j_ifaces,
+                                                tree = self.get_tree(),
+                                                class_name = self.class_name)
+    else:
+      funcs = ""
+    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,
+                                               tree = self.get_tree(),
+                                               class_name = self.class_name)
+
+def print_tree(ifaces):
+  """
+  Prints a list of iface trees
+  """
+  return " ".join(i.get_tree() for i in  ifaces)
+
+# The deduplicated output of subtree_sizes for each size up to
+# MAX_LEAF_IFACE_PER_OBJECT.
+SUBTREES = [set(tuple(sorted(l)) for l in subtree_sizes(i))
+            for i in range(MAX_IFACE_DEPTH + 1)]
+
+def create_interface_trees():
+  """
+  Return all legal interface trees
+  """
+  def dump_supers(s):
+    """
+    Does depth first traversal of all the interfaces in the list.
+    """
+    for i in s:
+      yield i
+      yield from i
+
+  def create_interface_trees_inner(num, allow_default):
+    for split in SUBTREES[num]:
+      ifaces = []
+      for sub in split:
+        if sub == 1:
+          ifaces.append([TestInterface([], allow_default)])
+          if allow_default:
+            ifaces[-1].append(TestInterface([], False))
+        else:
+          ifaces.append(list(create_interface_trees_inner(sub, allow_default)))
+      for supers in itertools.product(*ifaces):
+        all_supers = sorted(set(dump_supers(supers)) - set(supers))
+        for i in range(len(all_supers) + 1):
+          for combo in itertools.combinations(all_supers, i):
+            yield TestInterface(list(combo) + list(supers), allow_default)
+      if allow_default:
+        for i in range(len(split)):
+          ifaces = []
+          for sub, cs in zip(split, itertools.count()):
+            if sub == 1:
+              ifaces.append([TestInterface([], i == cs)])
+            else:
+              ifaces.append(list(create_interface_trees_inner(sub, i == cs)))
+          for supers in itertools.product(*ifaces):
+            all_supers = sorted(set(dump_supers(supers)) - set(supers))
+            for i in range(len(all_supers) + 1):
+              for combo in itertools.combinations(all_supers, i):
+                yield TestInterface(list(combo) + list(supers), False)
+
+  for num in range(1, MAX_IFACE_DEPTH):
+    yield from create_interface_trees_inner(num, True)
+
+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 tree in create_interface_trees():
+    classes.add(tree)
+    for i in tree:
+      classes.add(i)
+    test_class = TestClass(tree)
+    mc.add_test(test_class)
+    classes.add(test_class)
+  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)