Move some default-methods tests to Java from Smali.
Move all smali tests for default method behavior in
non-source-incompatible contexts to java. Also move some of the
simpler tests for source and binary incompatibilities into java as
well when possible.
Bug: 27310767
Change-Id: I753196f19849494825953c1bf06f15b7132f459b
diff --git a/test/utils/python/generate_java_main.py b/test/utils/python/generate_java_main.py
new file mode 100755
index 0000000..f66d0dd
--- /dev/null
+++ b/test/utils/python/generate_java_main.py
@@ -0,0 +1,309 @@
+#!/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 Java Main file from a classes.xml file.
+"""
+
+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
+import testgen.mixins as mixins
+
+from collections import namedtuple
+import itertools
+import functools
+import xml.etree.ElementTree as ET
+
+class MainClass(mixins.DumpMixin, mixins.Named, mixins.JavaFileMixin):
+ """
+ A mainclass and main method for this test.
+ """
+
+ MAIN_CLASS_TEMPLATE = """{copyright}
+class Main {{
+{test_groups}
+{test_funcs}
+{main_func}
+}}
+"""
+
+ MAIN_FUNCTION_TEMPLATE = """
+ public static void main(String[] args) {{
+ {test_group_invoke}
+ }}
+"""
+
+ TEST_GROUP_INVOKE_TEMPLATE = """
+ {test_name}();
+"""
+
+ def __init__(self):
+ """
+ Initialize this MainClass
+ """
+ self.tests = set()
+ self.global_funcs = set()
+
+ def add_instance(self, it):
+ """
+ Add an instance test for the given class
+ """
+ self.tests.add(it)
+
+ def add_func(self, f):
+ """
+ Add a function to the class
+ """
+ self.global_funcs.add(f)
+
+ def get_name(self):
+ """
+ Get the name of this class
+ """
+ return "Main"
+
+ def __str__(self):
+ """
+ Print this class
+ """
+ all_tests = sorted(self.tests)
+ test_invoke = ""
+ test_groups = ""
+ for t in all_tests:
+ test_groups += str(t)
+ for t in sorted(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)
+
+ funcs = ""
+ for f in self.global_funcs:
+ funcs += str(f)
+ return self.MAIN_CLASS_TEMPLATE.format(copyright = get_copyright('java'),
+ test_groups=test_groups,
+ main_func=main_func, test_funcs=funcs)
+
+
+class InstanceTest(mixins.Named, mixins.NameComparableMixin):
+ """
+ A method that runs tests for a particular concrete type, It calls the test
+ cases for running it in all possible ways.
+ """
+
+ INSTANCE_TEST_TEMPLATE = """
+ public static void {test_name}() {{
+ System.out.println("Testing for type {ty}");
+ String s = "{ty}";
+ {ty} v = new {ty}();
+
+ {invokes}
+
+ System.out.println("End testing for type {ty}");
+ }}
+"""
+
+ TEST_INVOKE_TEMPLATE = """
+ {fname}(s, v);
+"""
+
+ def __init__(self, main, ty):
+ """
+ Initialize this test group for the given type
+ """
+ self.ty = ty
+ self.main = main
+ self.funcs = set()
+ self.main.add_instance(self)
+
+ def get_name(self):
+ """
+ Get the name of this test group
+ """
+ return "TEST_NAME_"+self.ty
+
+ def add_func(self, f):
+ """
+ Add a test function to this test group
+ """
+ self.main.add_func(f)
+ self.funcs.add(f)
+
+ def __str__(self):
+ """
+ Returns the java code for this function
+ """
+ func_invokes = ""
+ for f in sorted(self.funcs, key=lambda a: (a.func, a.farg)):
+ func_invokes += self.TEST_INVOKE_TEMPLATE.format(fname=f.get_name(),
+ farg=f.farg)
+
+ return self.INSTANCE_TEST_TEMPLATE.format(test_name=self.get_name(), ty=self.ty,
+ invokes=func_invokes)
+
+class Func(mixins.Named, mixins.NameComparableMixin):
+ """
+ A single test case that attempts to invoke a function on receiver of a given type.
+ """
+
+ TEST_FUNCTION_TEMPLATE = """
+ public static void {fname}(String s, {farg} v) {{
+ try {{
+ System.out.printf("%s-{invoke_type:<9} {farg:>9}.{callfunc}()='%s'\\n", s, v.{callfunc}());
+ return;
+ }} catch (Error e) {{
+ System.out.printf("%s-{invoke_type} on {farg}: {callfunc}() threw exception!\\n", s);
+ e.printStackTrace(System.out);
+ }}
+ }}
+"""
+
+ def __init__(self, func, farg, invoke):
+ """
+ Initialize this test function for the given invoke type and argument
+ """
+ self.func = func
+ self.farg = farg
+ self.invoke = invoke
+
+ def get_name(self):
+ """
+ Get the name of this test
+ """
+ return "Test_Func_{}_{}_{}".format(self.func, self.farg, self.invoke)
+
+ def __str__(self):
+ """
+ Get the java code for this test function
+ """
+ return self.TEST_FUNCTION_TEMPLATE.format(fname=self.get_name(),
+ farg=self.farg,
+ invoke_type=self.invoke,
+ callfunc=self.func)
+
+def flatten_classes(classes, c):
+ """
+ Iterate over all the classes 'c' can be used as
+ """
+ while c:
+ yield c
+ c = classes.get(c.super_class)
+
+def flatten_class_methods(classes, c):
+ """
+ Iterate over all the methods 'c' can call
+ """
+ for c1 in flatten_classes(classes, c):
+ yield from c1.methods
+
+def flatten_interfaces(dat, c):
+ """
+ Iterate over all the interfaces 'c' transitively implements
+ """
+ def get_ifaces(cl):
+ for i2 in cl.implements:
+ yield dat.interfaces[i2]
+ yield from get_ifaces(dat.interfaces[i2])
+
+ for cl in flatten_classes(dat.classes, c):
+ yield from get_ifaces(cl)
+
+def flatten_interface_methods(dat, i):
+ """
+ Iterate over all the interface methods 'c' can call
+ """
+ yield from i.methods
+ for i2 in flatten_interfaces(dat, i):
+ yield from i2.methods
+
+def make_main_class(dat):
+ """
+ Creates a Main.java file that runs all the tests
+ """
+ m = MainClass()
+ for c in dat.classes.values():
+ i = InstanceTest(m, c.name)
+ for clazz in flatten_classes(dat.classes, c):
+ for meth in flatten_class_methods(dat.classes, clazz):
+ i.add_func(Func(meth, clazz.name, 'virtual'))
+ for iface in flatten_interfaces(dat, clazz):
+ for meth in flatten_interface_methods(dat, iface):
+ i.add_func(Func(meth, clazz.name, 'virtual'))
+ i.add_func(Func(meth, iface.name, 'interface'))
+ return m
+
+class TestData(namedtuple("TestData", ['classes', 'interfaces'])):
+ """
+ A class representing the classes.xml document.
+ """
+ pass
+
+class Clazz(namedtuple("Clazz", ["name", "methods", "super_class", "implements"])):
+ """
+ A class representing a class element in the classes.xml document.
+ """
+ pass
+
+class IFace(namedtuple("IFace", ["name", "methods", "super_class", "implements"])):
+ """
+ A class representing an interface element in the classes.xml document.
+ """
+ pass
+
+def parse_xml(xml):
+ """
+ Parse the xml description of this test.
+ """
+ classes = dict()
+ ifaces = dict()
+ root = ET.fromstring(xml)
+ for iface in root.find("interfaces"):
+ name = iface.attrib['name']
+ implements = [a.text for a in iface.find("implements")]
+ methods = [a.text for a in iface.find("methods")]
+ ifaces[name] = IFace(name = name,
+ super_class = iface.attrib['super'],
+ methods = methods,
+ implements = implements)
+ for clazz in root.find('classes'):
+ name = clazz.attrib['name']
+ implements = [a.text for a in clazz.find("implements")]
+ methods = [a.text for a in clazz.find("methods")]
+ classes[name] = Clazz(name = name,
+ super_class = clazz.attrib['super'],
+ methods = methods,
+ implements = implements)
+ return TestData(classes, ifaces)
+
+def main(argv):
+ java_dir = Path(argv[1])
+ if not java_dir.exists() or not java_dir.is_dir():
+ print("{} is not a valid java dir".format(java_dir), file=sys.stderr)
+ sys.exit(1)
+ class_data = parse_xml((java_dir / "classes.xml").open().read())
+ make_main_class(class_data).dump(java_dir)
+
+if __name__ == '__main__':
+ main(sys.argv)