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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/simple_string_dictionary_unittest.cc')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/simple_string_dictionary_unittest.cc | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/simple_string_dictionary_unittest.cc b/toolkit/crashreporter/google-breakpad/src/common/simple_string_dictionary_unittest.cc new file mode 100644 index 000000000..34f4b9ef5 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/simple_string_dictionary_unittest.cc @@ -0,0 +1,308 @@ +// Copyright (c) 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "breakpad_googletest_includes.h" +#include "common/simple_string_dictionary.h" + +namespace google_breakpad { + +TEST(NonAllocatingMapTest, Entry) { + typedef NonAllocatingMap<5, 9, 15> TestMap; + TestMap map; + + const TestMap::Entry* entry = TestMap::Iterator(map).Next(); + EXPECT_FALSE(entry); + + // Try setting a key/value and then verify. + map.SetKeyValue("key1", "value1"); + entry = TestMap::Iterator(map).Next(); + ASSERT_TRUE(entry); + EXPECT_STREQ(entry->key, "key1"); + EXPECT_STREQ(entry->value, "value1"); + + // Try setting a new value. + map.SetKeyValue("key1", "value3"); + EXPECT_STREQ(entry->value, "value3"); + + // Make sure the key didn't change. + EXPECT_STREQ(entry->key, "key1"); + + // Clear the entry and verify the key and value are empty strings. + map.RemoveKey("key1"); + EXPECT_FALSE(entry->is_active()); + EXPECT_EQ(strlen(entry->key), 0u); + EXPECT_EQ(strlen(entry->value), 0u); +} + +TEST(NonAllocatingMapTest, SimpleStringDictionary) { + // Make a new dictionary + SimpleStringDictionary dict; + + // Set three distinct values on three keys + dict.SetKeyValue("key1", "value1"); + dict.SetKeyValue("key2", "value2"); + dict.SetKeyValue("key3", "value3"); + + EXPECT_NE(dict.GetValueForKey("key1"), "value1"); + EXPECT_NE(dict.GetValueForKey("key2"), "value2"); + EXPECT_NE(dict.GetValueForKey("key3"), "value3"); + EXPECT_EQ(dict.GetCount(), 3u); + // try an unknown key + EXPECT_FALSE(dict.GetValueForKey("key4")); + + // Remove a key + dict.RemoveKey("key3"); + + // Now make sure it's not there anymore + EXPECT_FALSE(dict.GetValueForKey("key3")); + + // Remove by setting value to NULL + dict.SetKeyValue("key2", NULL); + + // Now make sure it's not there anymore + EXPECT_FALSE(dict.GetValueForKey("key2")); +} + +TEST(NonAllocatingMapTest, CopyAndAssign) { + NonAllocatingMap<10, 10, 10> map; + map.SetKeyValue("one", "a"); + map.SetKeyValue("two", "b"); + map.SetKeyValue("three", "c"); + map.RemoveKey("two"); + EXPECT_EQ(2u, map.GetCount()); + + // Test copy. + NonAllocatingMap<10, 10, 10> map_copy(map); + EXPECT_EQ(2u, map_copy.GetCount()); + EXPECT_STREQ("a", map_copy.GetValueForKey("one")); + EXPECT_STREQ("c", map_copy.GetValueForKey("three")); + map_copy.SetKeyValue("four", "d"); + EXPECT_STREQ("d", map_copy.GetValueForKey("four")); + EXPECT_FALSE(map.GetValueForKey("four")); + + // Test assign. + NonAllocatingMap<10, 10, 10> map_assign; + map_assign = map; + EXPECT_EQ(2u, map_assign.GetCount()); + EXPECT_STREQ("a", map_assign.GetValueForKey("one")); + EXPECT_STREQ("c", map_assign.GetValueForKey("three")); + map_assign.SetKeyValue("four", "d"); + EXPECT_STREQ("d", map_assign.GetValueForKey("four")); + EXPECT_FALSE(map.GetValueForKey("four")); + + map.RemoveKey("one"); + EXPECT_FALSE(map.GetValueForKey("one")); + EXPECT_STREQ("a", map_copy.GetValueForKey("one")); + EXPECT_STREQ("a", map_assign.GetValueForKey("one")); +} + +// Add a bunch of values to the dictionary, remove some entries in the middle, +// and then add more. +TEST(NonAllocatingMapTest, Iterator) { + SimpleStringDictionary* dict = new SimpleStringDictionary(); + ASSERT_TRUE(dict); + + char key[SimpleStringDictionary::key_size]; + char value[SimpleStringDictionary::value_size]; + + const int kDictionaryCapacity = SimpleStringDictionary::num_entries; + const int kPartitionIndex = kDictionaryCapacity - 5; + + // We assume at least this size in the tests below + ASSERT_GE(kDictionaryCapacity, 64); + + // We'll keep track of the number of key/value pairs we think should + // be in the dictionary + int expectedDictionarySize = 0; + + // Set a bunch of key/value pairs like key0/value0, key1/value1, ... + for (int i = 0; i < kPartitionIndex; ++i) { + sprintf(key, "key%d", i); + sprintf(value, "value%d", i); + dict->SetKeyValue(key, value); + } + expectedDictionarySize = kPartitionIndex; + + // set a couple of the keys twice (with the same value) - should be nop + dict->SetKeyValue("key2", "value2"); + dict->SetKeyValue("key4", "value4"); + dict->SetKeyValue("key15", "value15"); + + // Remove some random elements in the middle + dict->RemoveKey("key7"); + dict->RemoveKey("key18"); + dict->RemoveKey("key23"); + dict->RemoveKey("key31"); + expectedDictionarySize -= 4; // we just removed four key/value pairs + + // Set some more key/value pairs like key59/value59, key60/value60, ... + for (int i = kPartitionIndex; i < kDictionaryCapacity; ++i) { + sprintf(key, "key%d", i); + sprintf(value, "value%d", i); + dict->SetKeyValue(key, value); + } + expectedDictionarySize += kDictionaryCapacity - kPartitionIndex; + + // Now create an iterator on the dictionary + SimpleStringDictionary::Iterator iter(*dict); + + // We then verify that it iterates through exactly the number of + // key/value pairs we expect, and that they match one-for-one with what we + // would expect. The ordering of the iteration does not matter... + + // used to keep track of number of occurrences found for key/value pairs + int count[kDictionaryCapacity]; + memset(count, 0, sizeof(count)); + + int totalCount = 0; + + const SimpleStringDictionary::Entry* entry; + while ((entry = iter.Next())) { + totalCount++; + + // Extract keyNumber from a string of the form key<keyNumber> + int keyNumber; + sscanf(entry->key, "key%d", &keyNumber); + + // Extract valueNumber from a string of the form value<valueNumber> + int valueNumber; + sscanf(entry->value, "value%d", &valueNumber); + + // The value number should equal the key number since that's how we set them + EXPECT_EQ(keyNumber, valueNumber); + + // Key and value numbers should be in proper range: + // 0 <= keyNumber < kDictionaryCapacity + bool isKeyInGoodRange = + (keyNumber >= 0 && keyNumber < kDictionaryCapacity); + bool isValueInGoodRange = + (valueNumber >= 0 && valueNumber < kDictionaryCapacity); + EXPECT_TRUE(isKeyInGoodRange); + EXPECT_TRUE(isValueInGoodRange); + + if (isKeyInGoodRange && isValueInGoodRange) { + ++count[keyNumber]; + } + } + + // Make sure each of the key/value pairs showed up exactly one time, except + // for the ones which we removed. + for (size_t i = 0; i < kDictionaryCapacity; ++i) { + // Skip over key7, key18, key23, and key31, since we removed them + if (!(i == 7 || i == 18 || i == 23 || i == 31)) { + EXPECT_EQ(count[i], 1); + } + } + + // Make sure the number of iterations matches the expected dictionary size. + EXPECT_EQ(totalCount, expectedDictionarySize); +} + + +TEST(NonAllocatingMapTest, AddRemove) { + NonAllocatingMap<5, 7, 6> map; + map.SetKeyValue("rob", "ert"); + map.SetKeyValue("mike", "pink"); + map.SetKeyValue("mark", "allays"); + + EXPECT_EQ(3u, map.GetCount()); + EXPECT_STREQ("ert", map.GetValueForKey("rob")); + EXPECT_STREQ("pink", map.GetValueForKey("mike")); + EXPECT_STREQ("allays", map.GetValueForKey("mark")); + + map.RemoveKey("mike"); + + EXPECT_EQ(2u, map.GetCount()); + EXPECT_FALSE(map.GetValueForKey("mike")); + + map.SetKeyValue("mark", "mal"); + EXPECT_EQ(2u, map.GetCount()); + EXPECT_STREQ("mal", map.GetValueForKey("mark")); + + map.RemoveKey("mark"); + EXPECT_EQ(1u, map.GetCount()); + EXPECT_FALSE(map.GetValueForKey("mark")); +} + +TEST(NonAllocatingMapTest, Serialize) { + typedef NonAllocatingMap<4, 5, 7> TestMap; + TestMap map; + map.SetKeyValue("one", "abc"); + map.SetKeyValue("two", "def"); + map.SetKeyValue("tre", "hig"); + + EXPECT_STREQ("abc", map.GetValueForKey("one")); + EXPECT_STREQ("def", map.GetValueForKey("two")); + EXPECT_STREQ("hig", map.GetValueForKey("tre")); + + const SerializedNonAllocatingMap* serialized; + size_t size = map.Serialize(&serialized); + + SerializedNonAllocatingMap* serialized_copy = + reinterpret_cast<SerializedNonAllocatingMap*>(malloc(size)); + ASSERT_TRUE(serialized_copy); + memcpy(serialized_copy, serialized, size); + + TestMap deserialized(serialized_copy, size); + free(serialized_copy); + + EXPECT_EQ(3u, deserialized.GetCount()); + EXPECT_STREQ("abc", deserialized.GetValueForKey("one")); + EXPECT_STREQ("def", deserialized.GetValueForKey("two")); + EXPECT_STREQ("hig", deserialized.GetValueForKey("tre")); +} + +// Running out of space shouldn't crash. +TEST(NonAllocatingMapTest, OutOfSpace) { + NonAllocatingMap<3, 2, 2> map; + map.SetKeyValue("a", "1"); + map.SetKeyValue("b", "2"); + map.SetKeyValue("c", "3"); + EXPECT_EQ(2u, map.GetCount()); + EXPECT_FALSE(map.GetValueForKey("c")); +} + +#ifndef NDEBUG + +TEST(NonAllocatingMapTest, NullKey) { + NonAllocatingMap<4, 6, 6> map; + ASSERT_DEATH(map.SetKeyValue(NULL, "hello"), ""); + + map.SetKeyValue("hi", "there"); + ASSERT_DEATH(map.GetValueForKey(NULL), ""); + EXPECT_STREQ("there", map.GetValueForKey("hi")); + + ASSERT_DEATH(map.GetValueForKey(NULL), ""); + map.RemoveKey("hi"); + EXPECT_EQ(0u, map.GetCount()); +} + +#endif // !NDEBUG + +} // namespace google_breakpad |