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138 lines
3.6 KiB
138 lines
3.6 KiB
#! /usr/bin/python3
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#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Generate Java test files for test 648-many-direct-methods.
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"""
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import os
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import sys
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from pathlib import Path
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BUILD_TOP = os.getenv("ANDROID_BUILD_TOP")
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if BUILD_TOP is None:
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print("ANDROID_BUILD_TOP not set. Please run build/envsetup.sh", file=sys.stderr)
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sys.exit(1)
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# Allow us to import utils and mixins.
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sys.path.append(str(Path(BUILD_TOP)/"art"/"test"/"utils"/"python"))
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from testgen.utils import get_copyright, subtree_sizes, gensym, filter_blanks
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import testgen.mixins as mixins
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class MainClass(mixins.DumpMixin, mixins.Named, mixins.JavaFileMixin):
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"""
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A Main.java file containing the Main class and the main function. It will run
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all the test functions we have.
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"""
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MAIN_CLASS_TEMPLATE = """{copyright}
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public class Main {{
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{main_func}
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{test_groups}
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}}"""
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MAIN_FUNCTION_TEMPLATE = """
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public static void main(String[] args) {
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System.out.println("passed");
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}"""
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def __init__(self):
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"""
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Initialize this MainClass. We start out with no tests.
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"""
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self.tests = set()
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def add_test_method(self, num):
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"""
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Add test method number 'num'
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"""
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self.tests.add(TestMethod(num))
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def get_name(self):
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"""
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Get the name of this class
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"""
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return "Main"
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def __str__(self):
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"""
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Print the MainClass Java code.
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"""
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all_tests = sorted(self.tests)
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test_groups = ""
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for t in all_tests:
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test_groups += str(t)
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main_func = self.MAIN_FUNCTION_TEMPLATE
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return self.MAIN_CLASS_TEMPLATE.format(copyright = get_copyright("java"),
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main_func = main_func,
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test_groups = test_groups)
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class TestMethod(mixins.Named, mixins.NameComparableMixin):
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"""
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A function that represents a test method. Should only be
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constructed by MainClass.add_test_method.
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"""
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TEST_FUNCTION_TEMPLATE = """
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public static void {fname}() {{}}"""
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def __init__(self, farg):
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"""
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Initialize a test method for the given argument.
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"""
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self.farg = farg
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def get_name(self):
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"""
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Get the name of this test method.
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"""
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return "method{:05d}".format(self.farg)
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def __str__(self):
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"""
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Print the Java code of this test method.
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"""
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return self.TEST_FUNCTION_TEMPLATE.format(fname=self.get_name())
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# Number of generated test methods. This number has been chosen to
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# make sure the number of direct methods in class Main is greater or
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# equal to 2^16, and thus requires an *unsigned* 16-bit (short)
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# integer to be represented (b/33650497).
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NUM_TEST_METHODS = 32768
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def create_test_file():
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"""
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Creates the object representing the test file. It just needs to be dumped.
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"""
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mc = MainClass()
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for i in range(1, NUM_TEST_METHODS + 1):
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mc.add_test_method(i)
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return mc
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def main(argv):
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java_dir = Path(argv[1])
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if not java_dir.exists() or not java_dir.is_dir():
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print("{} is not a valid Java dir".format(java_dir), file=sys.stderr)
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sys.exit(1)
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mainclass = create_test_file()
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mainclass.dump(java_dir)
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if __name__ == '__main__':
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main(sys.argv)
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