72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
#include "Catch2.h"
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#include <Eule/Math.h>
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#include <stdexcept>
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using namespace Eule;
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/** Equivalence classes:
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* a -> numerator
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* b -> denominator
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* -- a > 0 && b > 0
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* -- a < 0 && b > 0
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* -- a > 0 && b < 0
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* -- a < 0 && b < 0
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*
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* -- a > 0 && b = 0
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* -- a = 0 && b > 0
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* * -- a < 0 && b = 0
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* -- a = 0 && b < 0
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* -- a = 0 && b = 0
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*/
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// a > 0 && b > 0
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TEST_CASE(__FILE__"/a_gt_0_and_b_gt_0", "[Math][Mod]")
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{
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REQUIRE(Math::Mod(199, 32) == 7);
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return;
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}
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// a < 0 && b > 0
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TEST_CASE(__FILE__"/a_lt_0_and_b_gt_0", "[Math][Mod]")
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{
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REQUIRE(Math::Mod(-199, 32) == 25);
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return;
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}
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// a > 0 && b < 0
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TEST_CASE(__FILE__"/a_gt_0_and_b_lt_0", "[Math][Mod]")
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{
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REQUIRE(Math::Mod(199, -32) == -25);
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return;
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}
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// a > 0 && b = 0
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TEST_CASE(__FILE__"/a_gt_0_and_b_eq_0", "[Math][Mod]")
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{
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// Exppect divide-by-zero
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REQUIRE_THROWS_AS(Math::Mod(-199, 0), std::logic_error);
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return;
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}
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// a = 0 && b > 0
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TEST_CASE(__FILE__"/a_eq_0_and_b_gt_0", "[Math][Mod]")
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{
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REQUIRE(Math::Mod(0, 32) == 0);
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return;
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}
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// a < 0 && b = 0
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TEST_CASE(__FILE__"/a_lt_0_and_b_eq_0", "[Math][Mod]")
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{
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// Expect divide-by-zero
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REQUIRE_THROWS_AS(Math::Mod(-199, 0), std::logic_error);
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return;
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}
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// a = 0 && b < 0
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TEST_CASE(__FILE__"/a_eq_0_and_b_lt_0", "[Math][Mod]")
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{
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REQUIRE(Math::Mod(0, -32) == 0);
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return;
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}
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