1#!/bin/bash
2#
3# Copyright (C) 2013 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# Stop if something fails.
18set -e
19
20JAVAC_SOURCE=1.6
21JAVAC_TARGET=1.6
22
23# Write out files with 65500 total static fields, instance fields, and methods
24# to exceed the dex format's limits.
25mkdir src
26awk '
27BEGIN {
28    writeFileField("FillerStatic", "static public int staticInt");
29    writeFileField("FillerField", "public int fieldInt");
30    writeFileMethod("FillerMethod");
31}
32function writeFileField(name, type) {
33    fileName = "src/" name ".java";
34    printf("public class %s {\n", name) > fileName;
35    for (i = 1; i <= 65500; i++) {
36        printf("    %s%d;\n", type, i) > fileName;
37    }
38    printf("}\n") > fileName;
39}
40function writeFileMethod(name) {
41    fileName = "src/" name ".java";
42    printf("public class %s {\n", name) > fileName;
43    for (i = 1; i <= 65500; i++) {
44      printf("    public void meth%d() { }\n", i) > fileName;
45    }
46    printf("}\n") > fileName;
47}'
48
49mkdir classes
50${JAVAC} -source ${JAVAC_SOURCE} -target ${JAVAC_TARGET} -d classes `find src -name '*.java'`
51mkdir out
52dx -JXmx1024m --dex --no-optimize --multi-dex --output=out classes
53ls -1F out
54
55