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Test: improve tests for Image* data size assertions. 

For compressed images the expected message was completely wrong, meaning
it'd fail in any case, and they were missing a SKIP on no-assert builds.
Then, for GL::[Compressed]BufferImage the assertions in setData() were
never tested at all.
pull/651/merge
Vladimír Vondruš 1 year ago
parent
345012a7be
commit
a184db4cb6
4 changed files with 109 additions and 34 deletions
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  1. 82
      src/Magnum/GL/Test/BufferImageGLTest.cpp
  2. 10
      src/Magnum/Test/ImageTest.cpp
  3. 41
      src/Magnum/Test/ImageViewTest.cpp
  4. 10
      src/Magnum/Trade/Test/ImageDataTest.cpp

82
src/Magnum/GL/Test/BufferImageGLTest.cpp
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@ -27,6 +27,7 @@
#include <Corrade/Containers/Array.h>
#include <Corrade/Containers/String.h>
#include <Corrade/TestSuite/Compare/Container.h>
#include <Corrade/TestSuite/Compare/String.h>
#include <Corrade/Utility/DebugStl.h> /** @todo remove once dataProperties() std::pair is gone */
#include "Magnum/PixelFormat.h"
@ -63,6 +64,8 @@ struct BufferImageGLTest: OpenGLTester {
void setDataGeneric();
void setDataCompressed();
void setDataCompressedGeneric();
void setDataInvalidSize();
void setDataCompressedInvalidSize();
void release();
void releaseCompressed();
@ -93,6 +96,8 @@ BufferImageGLTest::BufferImageGLTest() {
&BufferImageGLTest::setDataGeneric,
&BufferImageGLTest::setDataCompressed,
&BufferImageGLTest::setDataCompressedGeneric,
&BufferImageGLTest::setDataInvalidSize,
&BufferImageGLTest::setDataCompressedInvalidSize,
&BufferImageGLTest::release,
&BufferImageGLTest::releaseCompressed});
@ -399,28 +404,38 @@ void BufferImageGLTest::constructInvalidSize() {
Containers::String out;
Error redirectError{&out};
/* Doesn't consider alignment */
BufferImage2D{Magnum::PixelFormat::RGB8Unorm, {1, 3}, Containers::Array<char>{3*3}, BufferUsage::StaticDraw};
CORRADE_COMPARE(out, "GL::BufferImage: data too small, got 9 but expected at least 12 bytes\n");
BufferImage2D{Magnum::PixelFormat::RGB8Unorm, {1, 3}, Containers::Array<char>{11}, BufferUsage::StaticDraw};
CORRADE_COMPARE(out, "GL::BufferImage: data too small, got 11 but expected at least 12 bytes\n");
}
void BufferImageGLTest::constructCompressedInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
CORRADE_EXPECT_FAIL("Size checking for compressed image data is not implemented yet.");
/* Too small for given format */
{
Containers::String out;
Error redirectError{&out};
CompressedBufferImage2D{Magnum::CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, Containers::Array<char>{2}, BufferUsage::StaticDraw};
CORRADE_COMPARE(out, "GL::CompressedBufferImage::CompressedBufferImage(): data too small, got 2 but expected at least 4 bytes\n");
CompressedBufferImage2D{Magnum::CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, Containers::Array<char>{15}, BufferUsage::StaticDraw};
/* Here it's assuming the buffer is already filled, of given size */
CompressedBufferImage2D{Magnum::CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, GL::Buffer{}, 15};
CORRADE_COMPARE_AS(out,
"GL::CompressedBufferImage: data too small, got 15 but expected at least 16 bytes\n"
"GL::CompressedBufferImage: data too small, got 15 but expected at least 16 bytes\n",
TestSuite::Compare::String);
/* Size should be rounded up even if the image size is not full block */
} {
Containers::String out;
Error redirectError{&out};
CompressedBufferImage2D{Magnum::CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, Containers::Array<char>{2}, BufferUsage::StaticDraw};
CORRADE_COMPARE(out, "GL::CompressedBufferImage::CompressedBufferImage(): data too small, got 2 but expected at least 4 bytes\n");
CompressedBufferImage2D{Magnum::CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, Containers::Array<char>{15}, BufferUsage::StaticDraw};
/* Here it's assuming the buffer is already filled, of given size */
CompressedBufferImage2D{Magnum::CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, GL::Buffer{}, 15};
CORRADE_COMPARE_AS(out,
"GL::CompressedBufferImage: data too small, got 15 but expected at least 16 bytes\n"
"GL::CompressedBufferImage: data too small, got 15 but expected at least 16 bytes\n",
TestSuite::Compare::String);
}
}
@ -663,6 +678,57 @@ void BufferImageGLTest::setDataCompressedGeneric() {
#endif
}
void BufferImageGLTest::setDataInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
BufferImage2D image{PixelFormat::Red, PixelType::UnsignedByte, {}, {nullptr, 7}, BufferUsage::StaticDraw};
Containers::String out;
Error redirectError{&out};
image.setData(PixelFormat::RGB, PixelType::UnsignedByte, {1, 3}, Containers::Array<char>{11}, BufferUsage::StaticDraw);
/* Keeping current storage */
image.setData(PixelFormat::RGBA, PixelType::UnsignedByte, {2, 1}, nullptr, BufferUsage::StaticDraw);
CORRADE_COMPARE_AS(out,
"GL::BufferImage::setData(): data too small, got 11 but expected at least 12 bytes\n"
"GL::BufferImage::setData(): current storage too small, got 7 but expected at least 8 bytes\n",
TestSuite::Compare::String);
}
void BufferImageGLTest::setDataCompressedInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
/* Fits almost two blocks, but only almost */
CompressedBufferImage2D a{CompressedPixelFormat::RGBAS3tcDxt1, {4, 4}, "helloheyhellhe", BufferUsage::StaticDraw};
CORRADE_COMPARE(a.dataSize(), 15);
CORRADE_EXPECT_FAIL("Size checking for compressed image data is not implemented yet.");
/* Too small for given format */
{
Containers::String out;
Error redirectError{&out};
a.setData(CompressedPixelFormat::RGBAS3tcDxt3, {8, 4}, "helloheyhelloheyhelloheyhellhe", BufferUsage::StaticDraw);
/* Keeping current storage */
a.setData(CompressedPixelFormat::RGBAS3tcDxt1, {8, 4}, nullptr, BufferUsage::StaticDraw);
CORRADE_COMPARE_AS(out,
"GL::CompressedBufferImage::setData(): data too small, got 31 but expected at least 32 bytes\n"
"GL::CompressedBufferImage::setData(): current storage too small, got 15 but expected at least 16 bytes\n",
TestSuite::Compare::String);
/* Size should be rounded up even if the image size is not that big */
} {
Containers::String out;
Error redirectError{&out};
a.setData(CompressedPixelFormat::RGBAS3tcDxt3, {5, 2}, "helloheyhelloheyhelloheyhellhe", BufferUsage::StaticDraw);
/* Keeping current storage */
a.setData(CompressedPixelFormat::RGBAS3tcDxt1, {5, 2}, nullptr, BufferUsage::StaticDraw);
CORRADE_COMPARE_AS(out,
"GL::CompressedBufferImage::setData(): data too small, got 31 but expected at least 32 bytes\n"
"GL::CompressedBufferImage::setData(): current storage too small, got 15 but expected at least 16 bytes\n",
TestSuite::Compare::String);
}
}
void BufferImageGLTest::release() {
BufferImage2D a{PixelFormat::RGBA, PixelType::UnsignedByte};
const UnsignedInt id = a.buffer().id();

10
src/Magnum/Test/ImageTest.cpp
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@ -540,21 +540,23 @@ void ImageTest::constructInvalidCubeMap() {
}
void ImageTest::constructCompressedInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
CORRADE_EXPECT_FAIL("Size checking for compressed image data is not implemented yet.");
/* Too small for given format */
{
Containers::String out;
Error redirectError{&out};
CompressedImage2D{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, Containers::Array<char>{2}};
CORRADE_COMPARE(out, "CompressedImage: data too small, got 2 but expected at least 4 bytes\n");
CompressedImage2D{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, Containers::Array<char>{15}};
CORRADE_COMPARE(out, "CompressedImage: data too small, got 15 but expected at least 16 bytes\n");
/* Size should be rounded up even if the image size is not full block */
} {
Containers::String out;
Error redirectError{&out};
CompressedImage2D{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, Containers::Array<char>{2}};
CORRADE_COMPARE(out, "CompressedImage: data too small, got 2 but expected at least 4 bytes\n");
CompressedImage2D{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, Containers::Array<char>{15}};
CORRADE_COMPARE(out, "CompressedImage: data too small, got 15 but expected at least 16 bytes\n");
}
}

41
src/Magnum/Test/ImageViewTest.cpp
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@ -700,13 +700,12 @@ void ImageViewTest::constructInvalidPixelSize() {
void ImageViewTest::constructInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
const char data[11]{};
Containers::String out;
Error redirectError{&out};
/* Doesn't consider alignment */
const char data[3*3]{};
ImageView2D{PixelFormat::RGB8Unorm, {1, 3}, data};
CORRADE_COMPARE(out, "ImageView: data too small, got 9 but expected at least 12 bytes\n");
CORRADE_COMPARE(out, "ImageView: data too small, got 11 but expected at least 12 bytes\n");
}
void ImageViewTest::constructInvalidCubeMap() {
@ -731,23 +730,25 @@ void ImageViewTest::constructInvalidCubeMap() {
}
void ImageViewTest::constructCompressedInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
CORRADE_EXPECT_FAIL("Size checking for compressed image data is not implemented yet.");
const char data[2]{};
const char data[15]{};
/* Too small for given format */
{
Containers::String out;
Error redirectError{&out};
CompressedImageView2D{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, data};
CORRADE_COMPARE(out, "CompressedImageView: data too small, got 2 but expected at least 4 bytes\n");
CORRADE_COMPARE(out, "CompressedImageView: data too small, got 15 but expected at least 16 bytes\n");
/* Size should be rounded up even if the image size is not full block */
} {
Containers::String out;
Error redirectError{&out};
CompressedImageView2D{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, data};
CORRADE_COMPARE(out, "CompressedImageView: data too small, got 2 but expected at least 4 bytes\n");
CORRADE_COMPARE(out, "CompressedImageView: data too small, got 15 but expected at least 16 bytes\n");
}
}
@ -832,35 +833,39 @@ template<class T> void ImageViewTest::setDataCompressed() {
void ImageViewTest::setDataInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
Containers::String out;
Error redirectError{&out};
ImageView2D image{PixelFormat::RGB8Unorm, {1, 3}};
const char data[3*3]{};
const char data[11]{};
/* Doesn't consider alignment */
Containers::String out;
Error redirectError{&out};
image.setData(data);
CORRADE_COMPARE(out, "ImageView::setData(): data too small, got 9 but expected at least 12 bytes\n");
CORRADE_COMPARE(out, "ImageView::setData(): data too small, got 11 but expected at least 12 bytes\n");
}
void ImageViewTest::setDataCompressedInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
CORRADE_EXPECT_FAIL("Size checking for compressed image data is not implemented yet.");
const char data[2]{};
const char data[11]{};
/* Too small for given format */
{
CompressedImageView2D image{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}};
Containers::String out;
Error redirectError{&out};
CompressedImageView2D{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, data};
CORRADE_COMPARE(out, "CompressedImageView::setData(): data too small, got 2 but expected at least 4 bytes\n");
image.setData(data);
CORRADE_COMPARE(out, "CompressedImageView::setData(): data too small, got 11 but expected at least 16 bytes\n");
/* Size should be rounded up even if the image size is not that big */
} {
CompressedImageView2D image{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}};
Containers::String out;
Error redirectError{&out};
CompressedImageView2D{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, data};
CORRADE_COMPARE(out, "CompressedImageView::setData(): data too small, got 2 but expected at least 4 bytes\n");
image.setData(data);
CORRADE_COMPARE(out, "CompressedImageView::setData(): data too small, got 11 but expected at least 16 bytes\n");
}
}

10
src/Magnum/Trade/Test/ImageDataTest.cpp
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@ -724,21 +724,23 @@ void ImageDataTest::constructInvalidCubeMap() {
}
void ImageDataTest::constructCompressedInvalidSize() {
CORRADE_SKIP_IF_NO_ASSERT();
CORRADE_EXPECT_FAIL("Size checking for compressed image data is not implemented yet.");
/* Too small for given format */
{
Containers::String out;
Error redirectError{&out};
ImageData2D{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, Containers::Array<char>{2}};
CORRADE_COMPARE(out, "Trade::ImageData::ImageData(): data too small, got 2 but expected at least 4 bytes\n");
ImageData2D{CompressedPixelFormat::Bc2RGBAUnorm, {4, 4}, Containers::Array<char>{15}};
CORRADE_COMPARE(out, "Trade::ImageData: data too small, got 15 but expected at least 16 bytes\n");
/* Size should be rounded up even if the image size is not full block */
} {
Containers::String out;
Error redirectError{&out};
ImageData2D{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, Containers::Array<char>{2}};
CORRADE_COMPARE(out, "Trade::ImageData::ImageData(): data too small, got 2 but expected at least 4 bytes\n");
ImageData2D{CompressedPixelFormat::Bc2RGBAUnorm, {2, 2}, Containers::Array<char>{15}};
CORRADE_COMPARE(out, "Trade::ImageData: data too small, got 15 but expected at least 16 bytes\n");
}
}

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