1 /* -*- c++ -*- */
2 /*
3 * Copyright (C) 2010 The Android Open Source Project
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
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
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
23 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include "../include/iostream"
31 #ifndef ANDROID_ASTL_IOSTREAM__
32 #error "Wrong header included!!"
33 #endif
34 #include "common.h"
35 #include <limits>
36 #include <string>
37
38 namespace android {
39
40 class A {
41 public:
A()42 A() {
43 mPassed = std::cout.precision() == 6;
44 }
45 static A mInstance;
46 bool mPassed;
47 };
48 A A::mInstance;
49
testStaticInit()50 bool testStaticInit() {
51 EXPECT_TRUE(A::mInstance.mPassed);
52 return true;
53 }
54
testOstream()55 bool testOstream() {
56 EXPECT_TRUE(std::cout.precision() == 6);
57 EXPECT_TRUE(std::cerr.precision() == 6);
58
59 std::cout.precision(20);
60 std::cerr.precision(20);
61
62 EXPECT_TRUE(std::cout.precision() == 20);
63 EXPECT_TRUE(std::cerr.precision() == 20);
64 // reset back to the default value.
65 std::cout.precision(6);
66 std::cerr.precision(6);
67 return true;
68 }
69
testCoutCerr()70 bool testCoutCerr() {
71 std::cout << "Hi from stdout\n";
72 std::cerr << "Hi from stderr\n";
73 return true;
74 }
75
testManip()76 bool testManip() {
77 std::cout << "line 1" << std::endl
78 << " a nul char |" << std::ends << std::flush << "| in line 2.";
79 return true;
80 }
81
testOutputFormat()82 bool testOutputFormat() {
83 using std::endl;
84 using std::cout;
85 using std::numeric_limits;
86 cout << endl << "Int: " << numeric_limits<int>::max() << endl;
87 cout << "Negative int: " << numeric_limits<int>::min() << endl;
88 cout << "Unsigned int: " << numeric_limits<unsigned int>::max() << endl;
89 cout << "Long: " << numeric_limits<long>::max() << endl;
90 cout << "Negative long: " << numeric_limits<long>::min() << endl;
91 cout << "Unsigned long int: " << numeric_limits<unsigned long>::max() << endl;
92 cout << "Long long: " << numeric_limits<long long>::max() << endl;
93 cout << "Negative long long: " << numeric_limits<long long>::min() << endl;
94 cout << "Unsigned long long: " << numeric_limits<unsigned long long>::max() << endl;
95
96 cout.precision(std::numeric_limits<double>::digits10);
97 cout << "Double: " << numeric_limits<double>::max() << endl;
98 cout << "Negative double: " << numeric_limits<double>::min() << endl;
99 cout << "Float: " << numeric_limits<float>::max() << endl;
100 cout << "Negative float: " << numeric_limits<float>::min() << endl;
101
102 cout << "Void *: " << static_cast<void*>(&std::cout) << endl;
103 cout << "NULL *: " << static_cast<void*>(0) << endl;
104 cout << "bool: " << true << " " << false << endl;
105 cout << "char: " << 'A' << endl;
106 cout << "string: " << std::string("hello world") << endl;
107 return true;
108 }
109 } // namespace android
110
main(int argc,char ** argv)111 int main(int argc, char **argv){
112 FAIL_UNLESS(testStaticInit);
113 FAIL_UNLESS(testOstream);
114 FAIL_UNLESS(testCoutCerr);
115 FAIL_UNLESS(testManip);
116 FAIL_UNLESS(testOutputFormat);
117 return kPassed;
118 }
119