244 lines
9.2 KiB
Plaintext
244 lines
9.2 KiB
Plaintext
// Copyright (c) 2008, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import "SimpleStringDictionaryTest.h"
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#import "SimpleStringDictionary.h"
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using google_breakpad::KeyValueEntry;
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using google_breakpad::SimpleStringDictionary;
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using google_breakpad::SimpleStringDictionaryIterator;
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@implementation SimpleStringDictionaryTest
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//==============================================================================
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- (void)testKeyValueEntry {
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KeyValueEntry entry;
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// Verify that initial state is correct
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STAssertFalse(entry.IsActive(), @"Initial key value entry is active!");
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STAssertEquals(strlen(entry.GetKey()), (size_t)0, @"Empty key value did not "
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@"have length 0");
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STAssertEquals(strlen(entry.GetValue()), (size_t)0, @"Empty key value did not "
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@"have length 0");
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// Try setting a key/value and then verify
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entry.SetKeyValue("key1", "value1");
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STAssertEqualCStrings(entry.GetKey(), "key1", @"key was not equal to key1");
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STAssertEqualCStrings(entry.GetValue(), "value1", @"value was not equal");
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// Try setting a new value
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entry.SetValue("value3");
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// Make sure the new value took
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STAssertEqualCStrings(entry.GetValue(), "value3", @"value was not equal");
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// Make sure the key didn't change
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STAssertEqualCStrings(entry.GetKey(), "key1", @"key changed after setting "
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@"value!");
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// Try setting a new key/value and then verify
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entry.SetKeyValue("key2", "value2");
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STAssertEqualCStrings(entry.GetKey(), "key2", @"New key was not equal to "
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@"key2");
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STAssertEqualCStrings(entry.GetValue(), "value2", @"New value was not equal "
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@"to value2");
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// Clear the entry and verify the key and value are empty strings
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entry.Clear();
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STAssertFalse(entry.IsActive(), @"Key value clear did not clear object");
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STAssertEquals(strlen(entry.GetKey()), (size_t)0, @"Length of cleared key "
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@"was not 0");
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STAssertEquals(strlen(entry.GetValue()), (size_t)0, @"Length of cleared "
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@"value was not 0!");
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}
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- (void)testEmptyKeyValueCombos {
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KeyValueEntry entry;
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entry.SetKeyValue(NULL, NULL);
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STAssertEqualCStrings(entry.GetKey(), "", @"Setting NULL key did not return "
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@"empty key!");
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STAssertEqualCStrings(entry.GetValue(), "", @"Setting NULL value did not "
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@"set empty string value!");
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}
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//==============================================================================
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- (void)testSimpleStringDictionary {
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// Make a new dictionary
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SimpleStringDictionary *dict = new SimpleStringDictionary();
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STAssertTrue(dict != NULL, nil);
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// try passing in NULL for key
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//dict->SetKeyValue(NULL, "bad"); // causes assert() to fire
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// Set three distinct values on three keys
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dict->SetKeyValue("key1", "value1");
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dict->SetKeyValue("key2", "value2");
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dict->SetKeyValue("key3", "value3");
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STAssertTrue(!strcmp(dict->GetValueForKey("key1"), "value1"), nil);
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STAssertTrue(!strcmp(dict->GetValueForKey("key2"), "value2"), nil);
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STAssertTrue(!strcmp(dict->GetValueForKey("key3"), "value3"), nil);
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STAssertEquals(dict->GetCount(), 3, @"GetCount did not return 3");
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// try an unknown key
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STAssertTrue(dict->GetValueForKey("key4") == NULL, nil);
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// try a NULL key
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//STAssertTrue(dict->GetValueForKey(NULL) == NULL, nil); // asserts
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// Remove a key
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dict->RemoveKey("key3");
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// Now make sure it's not there anymore
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STAssertTrue(dict->GetValueForKey("key3") == NULL, nil);
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// Remove a NULL key
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//dict->RemoveKey(NULL); // will cause assert() to fire
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// Remove by setting value to NULL
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dict->SetKeyValue("key2", NULL);
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// Now make sure it's not there anymore
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STAssertTrue(dict->GetValueForKey("key2") == NULL, nil);
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}
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//==============================================================================
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// The idea behind this test is to add a bunch of values to the dictionary,
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// remove some in the middle, then add a few more in. We then create a
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// SimpleStringDictionaryIterator and iterate through the dictionary, taking
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// note of the key/value pairs we see. We then verify that it iterates
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// through exactly the number of key/value pairs we expect, and that they
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// match one-for-one with what we would expect. In all cases we're setting
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// key value pairs of the form:
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//
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// key<n>/value<n> (like key0/value0, key17,value17, etc.)
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//
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- (void)testSimpleStringDictionaryIterator {
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SimpleStringDictionary *dict = new SimpleStringDictionary();
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STAssertTrue(dict != NULL, nil);
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char key[KeyValueEntry::MAX_STRING_STORAGE_SIZE];
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char value[KeyValueEntry::MAX_STRING_STORAGE_SIZE];
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const int kDictionaryCapacity = SimpleStringDictionary::MAX_NUM_ENTRIES;
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const int kPartitionIndex = kDictionaryCapacity - 5;
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// We assume at least this size in the tests below
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STAssertTrue(kDictionaryCapacity >= 64, nil);
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// We'll keep track of the number of key/value pairs we think should
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// be in the dictionary
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int expectedDictionarySize = 0;
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// Set a bunch of key/value pairs like key0/value0, key1/value1, ...
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for (int i = 0; i < kPartitionIndex; ++i) {
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sprintf(key, "key%d", i);
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sprintf(value, "value%d", i);
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dict->SetKeyValue(key, value);
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}
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expectedDictionarySize = kPartitionIndex;
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// set a couple of the keys twice (with the same value) - should be nop
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dict->SetKeyValue("key2", "value2");
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dict->SetKeyValue("key4", "value4");
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dict->SetKeyValue("key15", "value15");
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// Remove some random elements in the middle
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dict->RemoveKey("key7");
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dict->RemoveKey("key18");
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dict->RemoveKey("key23");
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dict->RemoveKey("key31");
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expectedDictionarySize -= 4; // we just removed four key/value pairs
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// Set some more key/value pairs like key59/value59, key60/value60, ...
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for (int i = kPartitionIndex; i < kDictionaryCapacity; ++i) {
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sprintf(key, "key%d", i);
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sprintf(value, "value%d", i);
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dict->SetKeyValue(key, value);
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}
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expectedDictionarySize += kDictionaryCapacity - kPartitionIndex;
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// Now create an iterator on the dictionary
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SimpleStringDictionaryIterator iter(*dict);
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// We then verify that it iterates through exactly the number of
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// key/value pairs we expect, and that they match one-for-one with what we
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// would expect. The ordering of the iteration does not matter...
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// used to keep track of number of occurrences found for key/value pairs
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int count[kDictionaryCapacity];
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memset(count, 0, sizeof(count));
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int totalCount = 0;
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const KeyValueEntry *entry;
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while ((entry = iter.Next())) {
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totalCount++;
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// Extract keyNumber from a string of the form key<keyNumber>
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int keyNumber;
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sscanf(entry->GetKey(), "key%d", &keyNumber);
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// Extract valueNumber from a string of the form value<valueNumber>
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int valueNumber;
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sscanf(entry->GetValue(), "value%d", &valueNumber);
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// The value number should equal the key number since that's how we set them
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STAssertTrue(keyNumber == valueNumber, nil);
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// Key and value numbers should be in proper range:
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// 0 <= keyNumber < kDictionaryCapacity
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bool isKeyInGoodRange =
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(keyNumber >= 0 && keyNumber < kDictionaryCapacity);
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bool isValueInGoodRange =
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(valueNumber >= 0 && valueNumber < kDictionaryCapacity);
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STAssertTrue(isKeyInGoodRange, nil);
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STAssertTrue(isValueInGoodRange, nil);
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if (isKeyInGoodRange && isValueInGoodRange) {
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++count[keyNumber];
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}
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}
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// Make sure each of the key/value pairs showed up exactly one time, except
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// for the ones which we removed.
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for (int i = 0; i < kDictionaryCapacity; ++i) {
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// Skip over key7, key18, key23, and key31, since we removed them
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if (!(i == 7 || i == 18 || i == 23 || i == 31)) {
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STAssertTrue(count[i] == 1, nil);
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}
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}
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// Make sure the number of iterations matches the expected dictionary size.
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STAssertTrue(totalCount == expectedDictionarySize, nil);
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}
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@end
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