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      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:
     42     A() {
     43         mPassed = std::cout.precision() == 6;
     44     }
     45     static A mInstance;
     46     bool mPassed;
     47 };
     48 A A::mInstance;
     49 
     50 bool testStaticInit() {
     51     EXPECT_TRUE(A::mInstance.mPassed);
     52     return true;
     53 }
     54 
     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 
     70 bool testCoutCerr() {
     71     std::cout << "Hi from stdout\n";
     72     std::cerr << "Hi from stderr\n";
     73     return true;
     74 }
     75 
     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 
     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 
    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