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#include <mbgl/test/util.hpp>
#include <mbgl/programs/symbol_program.hpp>
#include <mbgl/style/expression/dsl.hpp>
using namespace mbgl;
using namespace mbgl::style::expression::dsl;
TEST(SymbolProgram, SymbolSizeBinder) {
auto binder = SymbolSizeBinder::create(5.0f, 12.0f, 0.0f);
auto uniformValues = binder->uniformValues(5.5f);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>(), true);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>(), true);
EXPECT_EQ(uniformValues.get<uniforms::u_size>(), 12.0f);
binder = SymbolSizeBinder::create(1.0f, style::PropertyExpression<float>(
interpolate(
linear(),
zoom(),
0., literal(8.),
10., literal(18.))), 0.0f);
uniformValues = binder->uniformValues(1.5f);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>(), false);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>(), true);
EXPECT_EQ(uniformValues.get<uniforms::u_size>(), 9.5f);
binder = SymbolSizeBinder::create(0.0f, style::PropertyExpression<float>(
interpolate(
linear(),
zoom(),
1., literal(8.),
11., literal(18.))), 0.0f);
uniformValues = binder->uniformValues(0.5f);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>(), false);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>(), true);
EXPECT_EQ(uniformValues.get<uniforms::u_size>(), 8.0f);
binder = SymbolSizeBinder::create(12.0f, style::PropertyExpression<float>(
interpolate(
linear(),
zoom(),
1., literal(8.),
11., literal(18.))), 0.0f);
uniformValues = binder->uniformValues(12.5f);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>(), false);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>(), true);
EXPECT_EQ(uniformValues.get<uniforms::u_size>(), 18.0f);
binder = SymbolSizeBinder::create(0.0f, style::PropertyExpression<float>(
interpolate(
linear(),
number(get("x")),
1., literal(8.),
11., literal(18.))), 0.0f);
uniformValues = binder->uniformValues(12.5f);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>(), true);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>(), false);
binder = SymbolSizeBinder::create(5.0f, style::PropertyExpression<float>(
interpolate(
linear(),
zoom(),
1., interpolate(linear(), number(get("x")), 0., literal(8.), 100., literal(18.)),
11., interpolate(linear(), number(get("x")), 0., literal(12.), 100., literal(24.9)))), 0.0f);
uniformValues = binder->uniformValues(5.5f);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>(), false);
EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>(), false);
EXPECT_EQ(uniformValues.get<uniforms::u_size_t>(), 0.45f);
}
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