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Add test/unit/test_grids.cpp to improve testing coverage
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| /****************************************************************************** | ||
| * | ||
| * Project: PROJ | ||
| * Purpose: Test grids.hpp | ||
| * Author: Even Rouault <even dot rouault at spatialys dot com> | ||
| * | ||
| ****************************************************************************** | ||
| * Copyright (c) 2020, Even Rouault <even dot rouault at spatialys dot com> | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| ****************************************************************************/ | ||
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| #include "gtest_include.h" | ||
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| #include "grids.hpp" | ||
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| #include "proj_internal.h" // M_PI | ||
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| namespace { | ||
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| // --------------------------------------------------------------------------- | ||
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| class GridTest : public ::testing::Test { | ||
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| static void DummyLogFunction(void *, int, const char *) {} | ||
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| protected: | ||
| void SetUp() override { | ||
| m_ctxt = proj_context_create(); | ||
| proj_log_func(m_ctxt, nullptr, DummyLogFunction); | ||
| m_ctxt2 = proj_context_create(); | ||
| proj_log_func(m_ctxt2, nullptr, DummyLogFunction); | ||
| } | ||
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| void TearDown() override { | ||
| proj_context_destroy(m_ctxt); | ||
| proj_context_destroy(m_ctxt2); | ||
| } | ||
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| PJ_CONTEXT *m_ctxt = nullptr; | ||
| PJ_CONTEXT *m_ctxt2 = nullptr; | ||
| }; | ||
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| // --------------------------------------------------------------------------- | ||
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| TEST_F(GridTest, VerticalShiftGridSet_null) { | ||
| auto gridSet = NS_PROJ::VerticalShiftGridSet::open(m_ctxt, "null"); | ||
| ASSERT_NE(gridSet, nullptr); | ||
| auto grid = gridSet->gridAt(0.0, 0.0); | ||
| ASSERT_NE(grid, nullptr); | ||
| EXPECT_EQ(grid->width(), 3); | ||
| EXPECT_EQ(grid->height(), 3); | ||
| EXPECT_EQ(grid->extentAndRes().westLon, -M_PI); | ||
| EXPECT_TRUE(grid->isNullGrid()); | ||
| EXPECT_FALSE(grid->hasChanged()); | ||
| float out = -1.0f; | ||
| EXPECT_TRUE(grid->valueAt(0, 0, out)); | ||
| EXPECT_EQ(out, 0.0f); | ||
| EXPECT_FALSE(grid->isNodata(0.0f, 0.0)); | ||
| gridSet->reassign_context(m_ctxt2); | ||
| gridSet->reopen(m_ctxt2); | ||
| } | ||
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| // --------------------------------------------------------------------------- | ||
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| TEST_F(GridTest, VerticalShiftGridSet_regular) { | ||
| ASSERT_EQ(NS_PROJ::VerticalShiftGridSet::open(m_ctxt, "foobar"), nullptr); | ||
| auto gridSet = | ||
| NS_PROJ::VerticalShiftGridSet::open(m_ctxt, "tests/test_nodata.gtx"); | ||
| ASSERT_NE(gridSet, nullptr); | ||
| ASSERT_EQ(gridSet->gridAt(-100, -100), nullptr); | ||
| auto grid = gridSet->gridAt(4.15 / 180 * M_PI, 52.15 / 180 * M_PI); | ||
| ASSERT_NE(grid, nullptr); | ||
| EXPECT_TRUE(grid->isNodata(-88.8888f, 1.0)); | ||
| gridSet->reassign_context(m_ctxt2); | ||
| gridSet->reopen(m_ctxt2); | ||
| } | ||
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| // --------------------------------------------------------------------------- | ||
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| TEST_F(GridTest, HorizontalShiftGridSet_null) { | ||
| auto gridSet = NS_PROJ::HorizontalShiftGridSet::open(m_ctxt, "null"); | ||
| ASSERT_NE(gridSet, nullptr); | ||
| auto grid = gridSet->gridAt(0.0, 0.0); | ||
| ASSERT_NE(grid, nullptr); | ||
| EXPECT_EQ(grid->width(), 3); | ||
| EXPECT_EQ(grid->height(), 3); | ||
| EXPECT_EQ(grid->extentAndRes().westLon, -M_PI); | ||
| EXPECT_TRUE(grid->isNullGrid()); | ||
| EXPECT_FALSE(grid->hasChanged()); | ||
| float out1 = -1.0f; | ||
| float out2 = -1.0f; | ||
| EXPECT_TRUE(grid->valueAt(0, 0, false, out1, out2)); | ||
| EXPECT_EQ(out1, 0.0f); | ||
| EXPECT_EQ(out2, 0.0f); | ||
| gridSet->reassign_context(m_ctxt2); | ||
| gridSet->reopen(m_ctxt2); | ||
| } | ||
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| // --------------------------------------------------------------------------- | ||
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| TEST_F(GridTest, GenericShiftGridSet_null) { | ||
| auto gridSet = NS_PROJ::GenericShiftGridSet::open(m_ctxt, "null"); | ||
| ASSERT_NE(gridSet, nullptr); | ||
| auto grid = gridSet->gridAt(0.0, 0.0); | ||
| ASSERT_NE(grid, nullptr); | ||
| EXPECT_EQ(grid->width(), 3); | ||
| EXPECT_EQ(grid->height(), 3); | ||
| EXPECT_EQ(grid->extentAndRes().westLon, -M_PI); | ||
| EXPECT_TRUE(grid->isNullGrid()); | ||
| EXPECT_FALSE(grid->hasChanged()); | ||
| float out = -1.0f; | ||
| EXPECT_TRUE(grid->valueAt(0, 0, 0, out)); | ||
| EXPECT_EQ(out, 0.0f); | ||
| EXPECT_EQ(grid->unit(0), ""); | ||
| EXPECT_EQ(grid->description(0), ""); | ||
| EXPECT_EQ(grid->metadataItem("foo"), ""); | ||
| EXPECT_EQ(grid->samplesPerPixel(), 0); | ||
| gridSet->reassign_context(m_ctxt2); | ||
| gridSet->reopen(m_ctxt2); | ||
| } | ||
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| // --------------------------------------------------------------------------- | ||
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| TEST_F(GridTest, GenericShiftGridSet_regular) { | ||
| ASSERT_EQ(NS_PROJ::GenericShiftGridSet::open(m_ctxt, "foobar"), nullptr); | ||
| auto gridSet = NS_PROJ::GenericShiftGridSet::open( | ||
| m_ctxt, "tests/nkgrf03vel_realigned_extract.tif"); | ||
| ASSERT_NE(gridSet, nullptr); | ||
| ASSERT_EQ(gridSet->gridAt(-100, -100), nullptr); | ||
| auto grid = gridSet->gridAt(21.3333333 / 180 * M_PI, 63.0 / 180 * M_PI); | ||
| ASSERT_NE(grid, nullptr); | ||
| EXPECT_EQ(grid->width(), 5); | ||
| EXPECT_EQ(grid->height(), 5); | ||
| EXPECT_EQ(grid->extentAndRes().westLon, 21.0 / 180 * M_PI); | ||
| EXPECT_FALSE(grid->isNullGrid()); | ||
| EXPECT_FALSE(grid->hasChanged()); | ||
| float out = -1.0f; | ||
| EXPECT_FALSE(grid->valueAt(0, 0, grid->samplesPerPixel(), out)); | ||
| gridSet->reassign_context(m_ctxt2); | ||
| gridSet->reopen(m_ctxt2); | ||
| } | ||
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| } // namespace |