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37 * \brief Tests routines in strconvert.h.
39 * \author Christian Blau <blau@kth.se>
41 * \ingroup module_utility
46 #include "gromacs/utility/strconvert.h"
48 #include <gtest/gtest.h>
57 TEST(StringConvert, NoResultFromEptyString)
59 const auto parsedArray = parsedArrayFromInputString<float, 3>("");
60 EXPECT_FALSE(parsedArray);
63 TEST(StringConvert, ThreeFloatsSuccessfully)
65 const auto parsedArray = parsedArrayFromInputString<float, 3>("1.2 .5 -6e5");
66 EXPECT_FLOAT_EQ((*parsedArray)[0], 1.2);
67 EXPECT_FLOAT_EQ((*parsedArray)[1], .5);
68 EXPECT_FLOAT_EQ((*parsedArray)[2], -6e5);
71 TEST(StringConvert, OneIntSucessfully)
73 const auto parsedArray = parsedArrayFromInputString<int, 1>(" 1 \t ");
74 EXPECT_FLOAT_EQ((*parsedArray)[0], 1);
77 TEST(StringConvert, FloatAsStringToIntArrayThrows)
79 const auto& toTest = []() { return parsedArrayFromInputString<int, 1>(" 1.2 "); };
80 EXPECT_THROW(toTest(), InvalidInputError);
83 TEST(StringConvert, ThrowsWhenWrongSize)
85 // use the lambda due to aviod Macro substitution error with template function
86 const auto& toTest = []() { return parsedArrayFromInputString<float, 2>("1.2\t\n .5 -6e5"); };
87 EXPECT_THROW(toTest(), InvalidInputError);
90 TEST(StringConvert, StringIdentityTransformWithArrayThrows)
92 // use the lambda due to aviod Macro substitution error with template function
93 const auto& toTest = []() {
94 return stringIdentityTransformWithArrayCheck<float, 3>(
95 "-10 5 4 1", "Here, I explain where the error occured: ");
97 EXPECT_THROW(toTest(), InvalidInputError);
100 TEST(StringConvert, StringIdentityTransformWithArrayOkay)
102 // use the lambda due to aviod Macro substitution error with template function
103 const std::string input("1.2\t\n .5 -6e5");
104 const std::string output = stringIdentityTransformWithArrayCheck<float, 3>(
105 input, "Here, I explain where the error occured: ");
106 EXPECT_EQ(input, output);