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// Copyright 2017 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "draco/attributes/point_attribute.h"
#include "draco/core/draco_test_base.h"
namespace {
class PointAttributeTest : public ::testing::Test {
protected:
PointAttributeTest() {}
};
TEST_F(PointAttributeTest, TestCopy) {
// This test verifies that PointAttribute can copy data from another point
// attribute.
draco::GeometryAttribute pos_att;
pos_att.Init(draco::GeometryAttribute::POSITION, nullptr, 1, draco::DT_INT32,
false, 4, 0);
draco::PointAttribute pa(pos_att);
pa.SetIdentityMapping();
pa.Reset(10);
for (int32_t i = 0; i < 10; ++i) {
pa.SetAttributeValue(draco::AttributeValueIndex(i), &i);
}
draco::PointAttribute other_pa;
other_pa.CopyFrom(pa);
draco::PointAttributeHasher hasher;
ASSERT_EQ(hasher(pa), hasher(other_pa));
// The hash function does not actually compute the hash from attribute values,
// so ensure the data got copied correctly as well.
for (int32_t i = 0; i < 10; ++i) {
int32_t data;
other_pa.GetValue(draco::AttributeValueIndex(i), &data);
ASSERT_EQ(data, i);
}
}
TEST_F(PointAttributeTest, TestGetValueFloat) {
draco::GeometryAttribute pos_att;
pos_att.Init(draco::GeometryAttribute::POSITION, nullptr, 3,
draco::DT_FLOAT32, false, 4, 0);
draco::PointAttribute pa(pos_att);
pa.SetIdentityMapping();
pa.Reset(5);
float points[3];
for (int32_t i = 0; i < 5; ++i) {
points[0] = i * 3.0;
points[1] = (i * 3.0) + 1.0;
points[2] = (i * 3.0) + 2.0;
pa.SetAttributeValue(draco::AttributeValueIndex(i), &points);
}
for (int32_t i = 0; i < 5; ++i) {
pa.GetValue(draco::AttributeValueIndex(i), &points);
ASSERT_FLOAT_EQ(points[0], i * 3.0);
ASSERT_FLOAT_EQ(points[1], (i * 3.0) + 1.0);
ASSERT_FLOAT_EQ(points[2], (i * 3.0) + 2.0);
}
}
TEST_F(PointAttributeTest, TestGetArray) {
draco::GeometryAttribute pos_att;
pos_att.Init(draco::GeometryAttribute::POSITION, nullptr, 3,
draco::DT_FLOAT32, false, 4, 0);
draco::PointAttribute pa(pos_att);
pa.SetIdentityMapping();
pa.Reset(5);
float points[3];
for (int32_t i = 0; i < 5; ++i) {
points[0] = i * 3.0;
points[1] = (i * 3.0) + 1.0;
points[2] = (i * 3.0) + 2.0;
pa.SetAttributeValue(draco::AttributeValueIndex(i), &points);
}
for (int32_t i = 0; i < 5; ++i) {
std::array<float, 3> att_value;
att_value = pa.GetValue<float, 3>(draco::AttributeValueIndex(i));
ASSERT_FLOAT_EQ(att_value[0], i * 3.0);
ASSERT_FLOAT_EQ(att_value[1], (i * 3.0) + 1.0);
ASSERT_FLOAT_EQ(att_value[2], (i * 3.0) + 2.0);
}
for (int32_t i = 0; i < 5; ++i) {
std::array<float, 3> att_value;
EXPECT_TRUE(
(pa.GetValue<float, 3>(draco::AttributeValueIndex(i), &att_value)));
ASSERT_FLOAT_EQ(att_value[0], i * 3.0);
ASSERT_FLOAT_EQ(att_value[1], (i * 3.0) + 1.0);
ASSERT_FLOAT_EQ(att_value[2], (i * 3.0) + 2.0);
}
}
TEST_F(PointAttributeTest, TestArrayReadError) {
draco::GeometryAttribute pos_att;
pos_att.Init(draco::GeometryAttribute::POSITION, nullptr, 3,
draco::DT_FLOAT32, false, 4, 0);
draco::PointAttribute pa(pos_att);
pa.SetIdentityMapping();
pa.Reset(5);
float points[3];
for (int32_t i = 0; i < 5; ++i) {
points[0] = i * 3.0;
points[1] = (i * 3.0) + 1.0;
points[2] = (i * 3.0) + 2.0;
pa.SetAttributeValue(draco::AttributeValueIndex(i), &points);
}
std::array<float, 3> att_value;
EXPECT_FALSE(
(pa.GetValue<float, 3>(draco::AttributeValueIndex(5), &att_value)));
}
} // namespace
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