#include "catch2/catch_test_macros.hpp"

#include "utility/repeat.hpp"

int gSum = 0;

void myfunc_a () {

gSum += 1;

}

void myfunc_b ( int i ) {

REQUIRE (gSum == i);

gSum += 1;

}

TEST_CASE ( "Vittorio Romeo's repeat utility is a function template to repeat code N times", "[repeat]" ) {

constexpr int N = 50;

SECTION ( "A global counter set to 0 and an iteration count set to N" ) {

gSum = 0;

chops::repeat(N, myfunc_a);

REQUIRE (gSum == N);

}

SECTION ( "A function that does care about the passed in index is invoked" ) {

gSum = 0;

chops::repeat(N, myfunc_b);

REQUIRE (gSum == N);

}

SECTION ( "A lambda func that doesn't care about the passed in index is invoked ") {

gSum = 0;

chops::repeat(N, [] { myfunc_a(); } );

REQUIRE (gSum == N);

}

SECTION ( "A lambda func that does care about the passed in index is invoked" ) {

gSum = 0;

chops::repeat(N, [] (int i) { myfunc_b(i); } );

REQUIRE (gSum == N);

}

SECTION ( "A lambda func that doesn't care about the index but has a local var is invoked" ) {

int lSum = 0;

chops::repeat(N, [&lSum] { lSum += 1; } );

REQUIRE (lSum == N);

}

SECTION ( "A lambda func that does care about the index and has a local var is invoked ") {

int lSum = 0;

chops::repeat(N, [&lSum] (int i) { REQUIRE (lSum == i); lSum += 1; } );

REQUIRE (lSum == N);

}

}