uniform_string_stream_test.cpp
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00001 /*
00002  * Copyright (c) 2012, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #include <locale>
00031 
00032 #include <gtest/gtest.h>
00033 #include <rviz/uniform_string_stream.h>
00034 
00035 using namespace rviz;
00036 
00037 TEST( UniformStringStream, parse_floats )
00038 {
00039   UniformStringStream uss( "1,2 3.4 5,6e2" );
00040   float a, b, c;
00041   uss.parseFloat( a );
00042   uss.parseFloat( b );
00043   uss.parseFloat( c );
00044   EXPECT_TRUE( !!uss );
00045   EXPECT_EQ( a, 1.2f );
00046   EXPECT_EQ( b, 3.4f );
00047   EXPECT_EQ( c, 560.0f );
00048   uss.parseFloat( a );
00049   EXPECT_FALSE( !!uss );
00050 }
00051 
00052 TEST( UniformStringStream, parse_ints )
00053 {
00054   UniformStringStream uss( "1 2 -3" );
00055   int a, b, c;
00056   uss >> a;
00057   uss >> b;
00058   uss >> c;
00059   EXPECT_TRUE( !!uss );
00060   EXPECT_EQ( a, 1 );
00061   EXPECT_EQ( b, 2 );
00062   EXPECT_EQ( c, -3 );
00063   uss >> a;
00064   EXPECT_FALSE( !!uss );
00065 }
00066 
00067 class CommaFloat: public std::numpunct<char>
00068 {
00069 protected:
00070   virtual char do_decimal_point() const { return 'p'; }
00071 };
00072 
00073 TEST( UniformStringStream, print_floats )
00074 {
00075   UniformStringStream uss;
00076   uss << 1.2f;
00077   EXPECT_EQ( uss.str(), "1.2" );
00078 
00079   CommaFloat* comma_float_facet = new CommaFloat;
00080   std::locale new_locale( std::locale::classic(), comma_float_facet );
00081 
00082   std::locale old_locale = std::locale::global( new_locale );
00083 
00084   // Make sure the comma_float_facet is working.
00085   std::stringstream ss;
00086   ss << 3.4f;
00087   EXPECT_EQ( ss.str(), "3p4" );
00088 
00089   // Make sure the float facet gets clobbered within UniformStringStream.
00090   UniformStringStream uss2;
00091   uss2 << 3.4f;
00092   EXPECT_EQ( uss2.str(), "3.4" );
00093 
00094   // Put things back to normal so other tests don't break.
00095   std::locale::global( old_locale );
00096 }
00097 
00098 int main(int argc, char **argv){
00099   testing::InitGoogleTest(&argc, argv);
00100   return RUN_ALL_TESTS();
00101 }


rviz
Author(s): Dave Hershberger, Josh Faust
autogenerated on Mon Jan 6 2014 11:54:33