string_streams.cpp

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/*****************************************************************************
** Includes
*****************************************************************************/
 
#include <iostream>
#include <string>
#include <gtest/gtest.h>
#include "../../include/ecl/streams/string_stream.hpp"
 
/*****************************************************************************
** Using
*****************************************************************************/
 
using std::string;
using ecl::StringStream;
 
/*****************************************************************************
** Tests
*****************************************************************************/
 
TEST(StringStreams,floatTypes) {
    StringStream sstream;
    float f = 33.33;
    double d = -1.0;
    sstream << f;
    sstream >> d;
    EXPECT_FALSE(sstream.fail());
    // Give it some room for rounding off
    EXPECT_GT(33.34,d);
    EXPECT_LT(33.32,d);
}
 
TEST(StringStreams,clearStream) {
    StringStream sstream;
    sstream << "dude";
    sstream.clear();
    sstream << "aha";
    EXPECT_FALSE(sstream.fail());
    EXPECT_EQ(string("aha"),sstream.str());
}
 
TEST(StringStreams,integralTypes) {
    StringStream sstream;
    int i = 3;
    int j = -1;
    sstream << i;
    sstream >> j;
    EXPECT_FALSE(sstream.fail());
    // Give it some room for rounding off
    EXPECT_EQ(3,j);
}
 
TEST(StringStreams,hexTypes) {
    StringStream sstream;
    int j = -1;
    sstream << "0xA0";
    sstream >> j;
    EXPECT_FALSE(sstream.fail());
    // Give it some room for rounding off
    EXPECT_EQ(160,j);
}
TEST(StringStreams,multipleOps) {
        StringStream sstream;
    string s;
    sstream << "Hello";
    sstream >> s;
    EXPECT_FALSE(sstream.fail());
    EXPECT_EQ(string("Hello"),s);
    sstream << "Dude";
    sstream >> s;
    EXPECT_FALSE(sstream.fail());
    EXPECT_EQ(string("Dude"),s);
}
 
TEST(StringStreams,readEmptyFail) {
        StringStream sstream;
        int j;
    sstream >> j;
    EXPECT_TRUE(sstream.fail());
}
 
TEST(StringStreams,remaining) {
        StringStream sstream;
    sstream << "Dude";
    EXPECT_EQ(4,sstream.device().remaining());
}
 
/*****************************************************************************
** Main
*****************************************************************************/
 
int main(int argc, char** argv) {
        testing::InitGoogleTest(&argc,argv);
        return RUN_ALL_TESTS();
}