1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#include <gtest/gtest.h> 32 33#include <cstdio> 34#include <sstream> 35#include <string> 36 37#include "base/cprintf.hh" 38 39#define CPRINTF_TEST(...) \ 40 do { \ 41 std::stringstream ss; \ 42 ccprintf(ss, __VA_ARGS__); \ 43 int maxlen = ss.str().length() + 3; \ 44 char *buf = new char[maxlen]; \ 45 buf[maxlen - 1] = '\0'; \ 46 snprintf(buf, maxlen - 2, __VA_ARGS__); \ 47 EXPECT_EQ(ss.str(), std::string(buf)); \ 48 delete [] buf; \ 49 } while (0) 50 51TEST(CPrintf, Misc) 52{ 53 char foo[] = "foo"; 54 CPRINTF_TEST("%s\n", foo); 55 56 CPRINTF_TEST("%d\n", 'A'); 57 CPRINTF_TEST("%shits%%s + %smisses%%s\n", "test", "test"); 58 CPRINTF_TEST("%%s%-10s %c he went home \'\"%d %#o %#llx %1.5f %1.2E\n", 59 "hello", 'A', 1, 0xff, 0xfffffffffffffULL, 3.141592653589, 60 1.1e10); 61 62 CPRINTF_TEST("another test\n"); 63 64 CPRINTF_TEST("%-10s %c he home \'\"%d %#o %#llx %1.5f %1.2E\n", 65 "hello", 'A', 1, 0xff, 0xfffffffffffffULL, 66 3.14159265, 1.1e10); 67} 68 69TEST(CPrintf, FloatingPoint) 70{ 71 double f = 314159.26535897932384; 72 73 CPRINTF_TEST("%1.8f\n", f); 74 CPRINTF_TEST("%2.8f\n", f); 75 CPRINTF_TEST("%3.8f\n", f); 76 CPRINTF_TEST("%4.8f\n", f); 77 CPRINTF_TEST("%5.8f\n", f); 78 CPRINTF_TEST("%6.8f\n", f); 79 CPRINTF_TEST("%12.8f\n", f); 80 CPRINTF_TEST("%1000.8f\n", f); 81 CPRINTF_TEST("%1.0f\n", f); 82 CPRINTF_TEST("%1.1f\n", f); 83 CPRINTF_TEST("%1.2f\n", f); 84 CPRINTF_TEST("%1.3f\n", f); 85 CPRINTF_TEST("%1.4f\n", f); 86 CPRINTF_TEST("%1.5f\n", f); 87 CPRINTF_TEST("%1.6f\n", f); 88 CPRINTF_TEST("%1.7f\n", f); 89 CPRINTF_TEST("%1.8f\n", f); 90 CPRINTF_TEST("%1.9f\n", f); 91 CPRINTF_TEST("%1.10f\n", f); 92 CPRINTF_TEST("%1.11f\n", f); 93 CPRINTF_TEST("%1.12f\n", f); 94 CPRINTF_TEST("%1.13f\n", f); 95 CPRINTF_TEST("%1.14f\n", f); 96 CPRINTF_TEST("%1.15f\n", f); 97 CPRINTF_TEST("%1.16f\n", f); 98 CPRINTF_TEST("%1.17f\n", f); 99 CPRINTF_TEST("%1.18f\n", f); 100 101 f = 0.00000026535897932384; 102 CPRINTF_TEST("%1.8f\n", f); 103 CPRINTF_TEST("%2.8f\n", f); 104 CPRINTF_TEST("%3.8f\n", f); 105 CPRINTF_TEST("%4.8f\n", f); 106 CPRINTF_TEST("%5.8f\n", f); 107 CPRINTF_TEST("%6.8f\n", f); 108 CPRINTF_TEST("%12.8f\n", f); 109 CPRINTF_TEST("%1.0f\n", f); 110 CPRINTF_TEST("%1.1f\n", f); 111 CPRINTF_TEST("%1.2f\n", f); 112 CPRINTF_TEST("%1.3f\n", f); 113 CPRINTF_TEST("%1.4f\n", f); 114 CPRINTF_TEST("%1.5f\n", f); 115 CPRINTF_TEST("%1.6f\n", f); 116 CPRINTF_TEST("%1.7f\n", f); 117 CPRINTF_TEST("%1.8f\n", f); 118 CPRINTF_TEST("%1.9f\n", f); 119 CPRINTF_TEST("%1.10f\n", f); 120 CPRINTF_TEST("%1.11f\n", f); 121 CPRINTF_TEST("%1.12f\n", f); 122 CPRINTF_TEST("%1.13f\n", f); 123 CPRINTF_TEST("%1.14f\n", f); 124 CPRINTF_TEST("%1.15f\n", f); 125 CPRINTF_TEST("%1.16f\n", f); 126 CPRINTF_TEST("%1.17f\n", f); 127 CPRINTF_TEST("%1.18f\n", f); 128 129 f = 0.00000026535897932384; 130 CPRINTF_TEST("%1.8e\n", f); 131 CPRINTF_TEST("%2.8e\n", f); 132 CPRINTF_TEST("%3.8e\n", f); 133 CPRINTF_TEST("%4.8e\n", f); 134 CPRINTF_TEST("%5.8e\n", f); 135 CPRINTF_TEST("%6.8e\n", f); 136 CPRINTF_TEST("%12.8e\n", f); 137 CPRINTF_TEST("%1.0e\n", f); 138 CPRINTF_TEST("%1.1e\n", f); 139 CPRINTF_TEST("%1.2e\n", f); 140 CPRINTF_TEST("%1.3e\n", f); 141 CPRINTF_TEST("%1.4e\n", f); 142 CPRINTF_TEST("%1.5e\n", f); 143 CPRINTF_TEST("%1.6e\n", f); 144 CPRINTF_TEST("%1.7e\n", f); 145 CPRINTF_TEST("%1.8e\n", f); 146 CPRINTF_TEST("%1.9e\n", f); 147 CPRINTF_TEST("%1.10e\n", f); 148 CPRINTF_TEST("%1.11e\n", f); 149 CPRINTF_TEST("%1.12e\n", f); 150 CPRINTF_TEST("%1.13e\n", f); 151 CPRINTF_TEST("%1.14e\n", f); 152 CPRINTF_TEST("%1.15e\n", f); 153 CPRINTF_TEST("%1.16e\n", f); 154 CPRINTF_TEST("%1.17e\n", f); 155 CPRINTF_TEST("%1.18e\n", f); 156} 157 158TEST(CPrintf, Types) 159{ 160 std::stringstream ss; 161 162 std::string foo1 = "string test"; 163 ccprintf(ss, "%s\n", foo1); 164 EXPECT_EQ(ss.str(), "string test\n"); 165 ss.str(""); 166 167 std::stringstream foo2; 168 foo2 << "stringstream test"; 169 ccprintf(ss, "%s\n", foo2.str()); 170 EXPECT_EQ(ss.str(), "stringstream test\n"); 171 ss.str(""); 172 173 CPRINTF_TEST("%c %c\n", 'c', 65); 174} 175 176TEST(CPrintf, SpecialFormatting) 177{ 178 CPRINTF_TEST("%08.4f\n", 99.99); 179 CPRINTF_TEST("%0*.*f\n", 8, 4, 99.99); 180 CPRINTF_TEST("%07.*f\n", 4, 1.234); 181 CPRINTF_TEST("%#0*x\n", 9, 123412); 182} 183