Hey I'm currently learn how to use bazel and gtest (test driven development, c++), and I would like to create some declarations and definitions based on the given tests.

Here are the tests:

TEST(mutants, mystique) {

// mystique weights 54kg.

Mystique mystique();

EXPECT_EQ(mystique.weight(), 54);

EXPECT_STREQ(mystique.shape(), "sphere");

// Morph to "flat" shape

mystique.morph("flat");

EXPECT_STREQ(mystique.shape(), "flat");

// Go back to default

mystique.morph();

EXPECT_STREQ(mystique.shape(), "sphere");

// Ignore all other morph attempts

mystique.morph("crazy");

EXPECT_STREQ(mystique.shape(), "sphere");

// Split into two (checks for inequality of Mystique instances, must implement operator overloading, such as !=)

Mystique newMystique = mystique.split();

EXPECT_NE(newMystique , mystique);

EXPECT_EQ(mystique.weight(), 68);

EXPECT_EQ(newMystique .weight(), 68);

EXPECT_STREQ(newMystique .shape(), mystique.shape());

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Basically I need to look at each test and write down the code that will pass the above tests, and this is the code I wrote as far as now:

class Mystique{

public:

Mystique(double mystiqueWeight);

double weight();

const char* shape();

private:

double _mystiqueWeight;

const char* _mystiqueShape = "sphere";

};

Mystique::Mystique(double mystiqueWeight) {

_mystiqueWeight = mystiqueWeight;

}

double Mystique::weight() {

return _mystiqueWeight;

}

const char* Mystique::shape() {

return _mystiqueShape;

}

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Please include your brief explanation. Thank you!