rev 58452 : imported patch pkg_name_from_class

   1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "classfile/classLoader.hpp"
  26 #include "memory/resourceArea.hpp"
  27 #include "unittest.hpp"
  28 
  29 // Tests ClassLoader::package_from_name()
  30 TEST_VM(classLoader, null_class_name) {
  31   ResourceMark rm;
  32   bool bad_class_name = false;
  33   const char* retval= ClassLoader::package_from_name(NULL, &bad_class_name);
  34   ASSERT_TRUE(bad_class_name) << "Function did not set bad_class_name with NULL class name";
  35   ASSERT_STREQ(retval, NULL) << "Wrong package for NULL class name pointer";
  36 }
  37 
  38 TEST_VM(classLoader, empty_class_name) {
  39   ResourceMark rm;
  40   const char* retval = ClassLoader::package_from_name("");
  41   ASSERT_STREQ(retval, NULL) << "Wrong package for empty string";
  42 }
  43 
  44 TEST_VM(classLoader, no_slash) {
  45   ResourceMark rm;
  46   const char* retval = ClassLoader::package_from_name("L");
  47   ASSERT_STREQ(retval, NULL) << "Wrong package for class with no slashes";
  48 }
  49 
  50 TEST_VM(classLoader, just_slash) {
  51   ResourceMark rm;
  52   bool bad_class_name = false;
  53   const char* retval = ClassLoader::package_from_name("/", &bad_class_name);
  54   ASSERT_TRUE(bad_class_name) << "Function did not set bad_class_name with package of length 0";
  55   ASSERT_STREQ(retval, NULL) << "Wrong package for class with just slash";
  56 }
  57 
  58 TEST_VM(classLoader, multiple_slashes) {
  59   ResourceMark rm;
  60   const char* retval = ClassLoader::package_from_name("///");
  61   ASSERT_STREQ(retval, "//") << "Wrong package for class with just slashes";
  62 }
  63 
  64 TEST_VM(classLoader, standard_case_1) {
  65   ResourceMark rm;
  66   bool bad_class_name = true;
  67   const char* retval = ClassLoader::package_from_name("package/class", &bad_class_name);
  68   ASSERT_FALSE(bad_class_name) << "Function did not reset bad_class_name";
  69   ASSERT_STREQ(retval, "package") << "Wrong package for class with one slash";
  70 }
  71 
  72 TEST_VM(classLoader, standard_case_2) {
  73   ResourceMark rm;
  74   const char* retval = ClassLoader::package_from_name("package/folder/class");
  75   ASSERT_STREQ(retval, "package/folder") << "Wrong package for class with multiple slashes";
  76 }
  77 
  78 TEST_VM(classLoader, class_array) {
  79   ResourceMark rm;
  80   bool bad_class_name = false;
  81   const char* retval = ClassLoader::package_from_name("[package/class", &bad_class_name);
  82   ASSERT_FALSE(bad_class_name) << "Function set bad_class_name with class array";
  83   ASSERT_STREQ(retval, "package") << "Wrong package for class with leading bracket";
  84 }
  85 
  86 TEST_VM(classLoader, class_object_array) {
  87   ResourceMark rm;
  88   bool bad_class_name = false;
  89   const char* retval = ClassLoader::package_from_name("[Lpackage/class", &bad_class_name);
  90   ASSERT_TRUE(bad_class_name) << "Function did not set bad_class_name with array of class objects";
  91   ASSERT_STREQ(retval, NULL) << "Wrong package for class with leading '[L'";
  92 }
--- EOF ---