normalized-pair-test.cpp File Reference

Test-cases for vnix::rat::normalized_pair. More...

#include "../vnix/rat/normalized-pair.hpp"
#include "catch.hpp"

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Typedefs
using	normalized_pair = vnix::rat::normalized_pair< 5, 3 >

Functions
	TEST_CASE ("Input fraction has positive denominator.","[normalized-pair]")
	TEST_CASE ("Input fraction is reduced.","[normalized-pair]")
	TEST_CASE ("Throw on division by zero.","[normalized-pair]")
	TEST_CASE ("Limits are as expected.","[normalized-pair]")

Detailed Description

Test-cases for vnix::rat::normalized_pair.

Copyright

2019 Thomas E. Vaughan; all rights reserved.

License: BSD three-clause; see LICENSE.

Definition in file normalized-pair-test.cpp.

Typedef Documentation

using normalized_pair = vnix::rat::normalized_pair<5, 3>

Definition at line 9 of file normalized-pair-test.cpp.

Function Documentation

TEST_CASE	(	"Input fraction has positive denominator."	,
		""	[normalized-pair]
	)

Definition at line 12 of file normalized-pair-test.cpp.

                                                                           {
  normalized_pair const p(3, -2);
  REQUIRE(p.n() == -3);
  REQUIRE(p.d() == +2);
}

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TEST_CASE	(	"Input fraction is reduced."	,
		""	[normalized-pair]
	)

Definition at line 19 of file normalized-pair-test.cpp.

                                                             {
  normalized_pair const p(-4, 6);
  REQUIRE(p.n() == -2);
  REQUIRE(p.d() == +3);
}

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TEST_CASE	(	"Throw on division by zero."	,
		""	[normalized-pair]
	)

Definition at line 26 of file normalized-pair-test.cpp.

                                                             {
  REQUIRE_THROWS(normalized_pair(1, 0));
}

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TEST_CASE	(	"Limits are as expected."	,
		""	[normalized-pair]
	)

Definition at line 31 of file normalized-pair-test.cpp.

                                                          {
  REQUIRE_NOTHROW(normalized_pair(-16, 1));
  REQUIRE_THROWS(normalized_pair(-17, 1));

  REQUIRE_NOTHROW(normalized_pair(+15, 1));
  REQUIRE_THROWS(normalized_pair(+16, 1));

  REQUIRE_NOTHROW(normalized_pair(+1, 8));
  REQUIRE_THROWS(normalized_pair(+1, 9));
}

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