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expressions_test: add test for unicode attribute name

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Refs #1153

That issue doesn't affect current master, maybe it was valid at the time
of posting.  I just couldn't find a test that'd confirm unicode in
attribute names actually works, so here it is.
This commit is contained in:
Mickey Rose 2018-06-27 11:58:56 +02:00
parent 6befc23101
commit 5544c4c74f
1 changed files with 12 additions and 2 deletions
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14
test/unit/core/expressions_test.cpp
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@ -65,6 +65,7 @@ TEST_CASE("expressions")
{ "grass" , tr.transcode("grow")},
{ "wind" , tr.transcode("blow")},
{ "sky" , tr.transcode("is blue")},
{ "τ" , mapnik::value_double(6.2831853)},
{ "double", mapnik::value_double(1.23456)},
{ "int" , mapnik::value_integer(123)},
{ "bool" , mapnik::value_bool(true)},
@ -74,8 +75,6 @@ TEST_CASE("expressions")
auto eval = std::bind(evaluate_string, feature, _1);
auto approx = Approx::custom().epsilon(1e-6);
TRY_CHECK(eval(" [foo]='bar' ") == true);
// primary expressions
// null
TRY_CHECK(parse_and_dump("null") == "null");
@ -98,6 +97,17 @@ TEST_CASE("expressions")
TRY_CHECK(parse_and_dump("deg_to_rad") == "0.0174533");
TRY_CHECK(parse_and_dump("rad_to_deg") == "57.2958");
// ascii attribute name
TRY_CHECK(eval(" [foo]='bar' ") == true);
// unicode attribute name
TRY_CHECK(eval("[τ]") == prop.at("τ"));
TRY_CHECK(eval("[τ]") == eval(u8"[\u03C4]"));
// change to TRY_CHECK once \u1234 escape sequence in attribute name
// is implemented in expression grammar
CHECK_NOFAIL(eval("[τ]") == eval("[\\u03C3]"));
// unary functions
// sin / cos
TRY_CHECK(eval(" sin(0.25 * pi) / cos(0.25 * pi) ").to_double() == approx(1.0));