58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#include "catch.hpp"
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#include <mapnik/value_types.hpp>
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#include <mapnik/value.hpp>
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TEST_CASE("mapnik::value")
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{
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SECTION("add/sub/mult/div")
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{
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mapnik::value v0 = 1; // mapnik::value_integer
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mapnik::value v1 = 1.001; // mapnik::value_double
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mapnik::value v2 = true; // mapnik::value_boolean
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CHECK(v0.is<mapnik::value_integer>());
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CHECK(v1.is<mapnik::value_double>());
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CHECK(v2.is<mapnik::value_bool>());
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// add
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auto add0 = v0 + v1; // result value_double
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auto add1 = v1 + v0;
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auto add2 = v1 + v2; // result value_double
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auto add3 = v2 + v1;
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auto add4 = v0 + v2; // result value_integer
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auto add5 = v2 + v0;
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// check type promotion
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CHECK(add0.is<mapnik::value_double>());
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CHECK(add1.is<mapnik::value_double>());
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CHECK(add2.is<mapnik::value_double>());
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CHECK(add3.is<mapnik::value_double>());
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CHECK(add4.is<mapnik::value_integer>());
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CHECK(add5.is<mapnik::value_integer>());
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// check commutative rules
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CHECK(add0 == add1);
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CHECK(add2 == add3);
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CHECK(add4 == add5);
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// sub
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auto sub0 = v0 - v1;
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auto sub1 = v1 - v0;
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CHECK(sub0.is<mapnik::value_double>());
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CHECK(sub1.is<mapnik::value_double>());
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CHECK(sub0 == -sub1);
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// multl
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auto mult0 = v0 * v1;
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auto mult1 = v1 * v0;
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CHECK(mult0.is<mapnik::value_double>());
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CHECK(mult1.is<mapnik::value_double>());
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CHECK(mult0 == mult1);
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// div
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auto div0 = v0 / v1;
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auto div1 = v1 / v0;
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CHECK(div0.is<mapnik::value_double>());
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CHECK(div1.is<mapnik::value_double>());
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CHECK(div0 == 1.0/div1);
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}
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}
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