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New test of text_placements_list

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Jiri Drbalek 2018-10-20 21:09:08 +00:00
parent 3b188b4c26
commit 46de0f661b
1 changed files with 64 additions and 0 deletions
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test/unit/text/text_placements_list.cpp Normal file
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#include "catch.hpp"
#include <mapnik/text/placements/list.hpp>
#include <mapnik/text/formatting/text.hpp>
#include <mapnik/feature.hpp>
TEST_CASE("text_placements_list")
{
mapnik::text_placements_list list;
list.defaults.format_defaults.text_size = 12.0;
list.defaults.set_format_tree(std::make_shared<mapnik::formatting::text_node>("\"Default text\""));
{
mapnik::text_symbolizer_properties & properties = list.add();
properties.format_defaults.text_size = 10.0;
properties.set_format_tree(std::make_shared<mapnik::formatting::text_node>("\"Alternative text 1\""));
}
{
mapnik::text_symbolizer_properties & properties = list.add();
properties.format_defaults.text_size = 8.0;
properties.set_format_tree(std::make_shared<mapnik::formatting::text_node>("\"Alternative text 2\""));
}
mapnik::context_ptr context(std::make_shared<mapnik::context_type>());
mapnik::feature_impl feature(context, 1);
mapnik::attributes vars;
mapnik::text_placement_info_ptr info = list.get_placement_info(1.0, feature, vars);
{
REQUIRE(info->next());
CHECK(info->properties.format_defaults.text_size.get<mapnik::value_double>() == Approx(12.0));
REQUIRE(info->properties.format_tree());
mapnik::expression_set expressions;
info->properties.format_tree()->add_expressions(expressions);
REQUIRE(!expressions.empty());
mapnik::expr_node const& expression = **expressions.begin();
CHECK(expression.get<mapnik::value_unicode_string>() == mapnik::value_unicode_string("Default text"));
}
{
REQUIRE(info->next());
CHECK(info->properties.format_defaults.text_size.get<mapnik::value_double>() == Approx(10.0));
REQUIRE(info->properties.format_tree());
mapnik::expression_set expressions;
info->properties.format_tree()->add_expressions(expressions);
REQUIRE(!expressions.empty());
mapnik::expr_node const& expression = **expressions.begin();
CHECK(expression.get<mapnik::value_unicode_string>() == mapnik::value_unicode_string("Alternative text 1"));
}
{
REQUIRE(info->next());
CHECK(info->properties.format_defaults.text_size.get<mapnik::value_double>() == Approx(8.0));
REQUIRE(info->properties.format_tree());
mapnik::expression_set expressions;
info->properties.format_tree()->add_expressions(expressions);
REQUIRE(!expressions.empty());
mapnik::expr_node const& expression = **expressions.begin();
CHECK(expression.get<mapnik::value_unicode_string>() == mapnik::value_unicode_string("Alternative text 2"));
}
CHECK(!info->next());
}