15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <windows.h> 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/installer/mini_installer/mini_string.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using mini_installer::StackString; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MiniInstallerStringTest : public testing::Test { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetUp() { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void TearDown() { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests the strcat/strcpy/length support of the StackString class. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(MiniInstallerStringTest, StackStringOverflow) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const wchar_t kTestString[] = L"1234567890"; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StackString<MAX_PATH> str; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(MAX_PATH, str.capacity()); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::wstring compare_str; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(str.length(), compare_str.length()); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, compare_str.compare(str.get())); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t max_chars = str.capacity() - 1; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while ((str.length() + (arraysize(kTestString) - 1)) <= max_chars) { 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_TRUE(str.append(kTestString)); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) compare_str.append(kTestString); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(str.length(), compare_str.length()); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, compare_str.compare(str.get())); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_GT(static_cast<size_t>(MAX_PATH), str.length()); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now we've exhausted the space we allocated for the string, 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so append should fail. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_FALSE(str.append(kTestString)); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ...and remain unchanged. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, compare_str.compare(str.get())); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(str.length(), compare_str.length()); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Last test for fun. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) str.clear(); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) compare_str.clear(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, compare_str.compare(str.get())); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(str.length(), compare_str.length()); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests the case insensitive find support of the StackString class. 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(MiniInstallerStringTest, StackStringFind) { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const wchar_t kTestStringSource[] = L"1234ABcD567890"; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const wchar_t kTestStringFind[] = L"abcd"; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const wchar_t kTestStringNotFound[] = L"80"; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StackString<MAX_PATH> str; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_TRUE(str.assign(kTestStringSource)); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(str.get(), str.findi(kTestStringSource)); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(static_cast<const wchar_t*>(NULL), str.findi(kTestStringNotFound)); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const wchar_t* found = str.findi(kTestStringFind); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_NE(static_cast<const wchar_t*>(NULL), found); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::wstring check(found, arraysize(kTestStringFind) - 1); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, lstrcmpi(check.c_str(), kTestStringFind)); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 78