tests/GrQuadListTest.cpp - platform/external/skia - Gitiles

 /*
  * Copyright 2019 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #include "Test.h"

 #include "GrQuad.h"

 #define ASSERT(cond) REPORTER_ASSERT(r, cond)
 #define ASSERTF(cond, ...) REPORTER_ASSERT(r, cond, __VA_ARGS__)
 #define TEST(name) DEF_TEST(GrQuadList##name, r)

 struct TestData {
     int fItem1;
     float fItem2;
 };

 // Simple factories to make placeholder quads used in the tests. The 2D quads
 // will have the kRect quad type.
 static GrQuad make_2d_quad() {
     return GrQuad(SkRect::MakeLTRB(1.f, 2.f, 3.f, 4.f));
 }
 static bool is_2d_quad(const GrPerspQuad& quad) {
     return quad.x(0) == 1.f && quad.x(1) == 1.f && quad.x(2) == 3.f && quad.x(3) == 3.f &&
            quad.y(0) == 2.f && quad.y(1) == 4.f && quad.y(2) == 2.f && quad.y(3) == 4.f &&
            quad.w(0) == 1.f && quad.w(1) == 1.f && quad.w(2) == 1.f && quad.w(3) == 1.f;
 }

 static GrPerspQuad make_2d_persp_quad() {
     return GrPerspQuad(SkRect::MakeLTRB(5.f, 6.f, 7.f, 8.f), SkMatrix::I());
 }
 static bool is_2d_persp_quad(const GrPerspQuad& quad) {
     return quad.x(0) == 5.f && quad.x(1) == 5.f && quad.x(2) == 7.f && quad.x(3) == 7.f &&
            quad.y(0) == 6.f && quad.y(1) == 8.f && quad.y(2) == 6.f && quad.y(3) == 8.f &&
            quad.w(0) == 1.f && quad.w(1) == 1.f && quad.w(2) == 1.f && quad.w(3) == 1.f;
 }

 static GrPerspQuad make_3d_persp_quad() {
     // This perspective matrix leaves x and y unmodified, and sets w to the persp2 value
     SkMatrix p = SkMatrix::I();
     p[SkMatrix::kMPersp2] = 13.f;
     SkASSERT(p.hasPerspective()); // Sanity check
     return GrPerspQuad(SkRect::MakeLTRB(9.f, 10.f, 11.f, 12.f), p);
 }
 static bool is_3d_persp_quad(const GrPerspQuad& quad) {
     return quad.x(0) == 9.f && quad.x(1) == 9.f && quad.x(2) == 11.f && quad.x(3) == 11.f &&
            quad.y(0) == 10.f && quad.y(1) == 12.f && quad.y(2) == 10.f && quad.y(3) == 12.f &&
            quad.w(0) == 13.f && quad.w(1) == 13.f && quad.w(2) == 13.f && quad.w(3) == 13.f;
 }

 TEST(Add2D) {
     GrQuadList list2D;
     // Add a plain quad, a 2D persp quad, and then a 3D persp quad, then read back and make sure
     // the coordinates make sense (including that the type was lifted to perspective).
     list2D.push_back(make_2d_quad(), GrQuadType::kRect);
     list2D.push_back(make_2d_persp_quad(), GrQuadType::kRect);

     // Check 2D state of the list
     ASSERTF(list2D.count() == 2, "Unexpected count: %d", list2D.count());
     ASSERTF(list2D.quadType() == GrQuadType::kRect, "Unexpected quad type: %d",
             (uint32_t) list2D.quadType());
     ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0");
     ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1");

     // Force the 2D quads to be updated to store ws by adding a perspective quad
     list2D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
     ASSERTF(list2D.quadType() == GrQuadType::kPerspective,
             "Expected 2D list to be upgraded to perspective");

     // Re-check full state of list after type upgrade
     ASSERTF(list2D.count() == 3, "Unexpected count: %d", list2D.count());
     ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0 after upgrade");
     ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1 after upgrade");
     ASSERTF(is_3d_persp_quad(list2D[2]), "Incorrect quad at i=2");
 }

 TEST(Add3D) {
     // Now make a list that starts with a 3D persp quad, then has conventional quads added to it
     // and make sure its state is correct
     GrQuadList list3D;
     list3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
     list3D.push_back(make_2d_persp_quad(), GrQuadType::kRect);
     list3D.push_back(make_2d_quad(), GrQuadType::kRect);

     ASSERTF(list3D.count() == 3, "Unexpected count: %d", list3D.count());
     ASSERTF(is_3d_persp_quad(list3D[0]), "Incorrect quad at i=0");
     ASSERTF(is_2d_persp_quad(list3D[1]), "Incorrect quad at i=1");
     ASSERTF(is_2d_quad(list3D[2]), "Incorrect quad at i=2");
 }

 TEST(AddWithMetadata2D) {
     // As above, but also make sure that the metadata is saved and read properly
     GrTQuadList<TestData> list2D;
     // Add a plain quad, a 2D persp quad, and then a 3D persp quad, then read back and make sure
     // the coordinates make sense (including that the type was lifted to perspective).
     list2D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
     list2D.push_back(make_2d_persp_quad(), GrQuadType::kRect, {2, 2.f});

     // Check 2D state of the list
     ASSERTF(list2D.count() == 2, "Unexpected count: %d", list2D.count());
     ASSERTF(list2D.quadType() == GrQuadType::kRect, "Unexpected quad type: %d",
             (uint32_t) list2D.quadType());
     ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0");
     ASSERTF(list2D.metadata(0).fItem1 == 1 && list2D.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1");
     ASSERTF(list2D.metadata(1).fItem1 == 2 && list2D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");

     // Force the 2D quads to be updated to store ws by adding a perspective quad
     list2D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {3, 3.f});
     ASSERTF(list2D.quadType() == GrQuadType::kPerspective,
             "Expected 2D list to be upgraded to perspective");

     // Re-check full state of list after type upgrade
     ASSERTF(list2D.count() == 3, "Unexpected count: %d", list2D.count());
     ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0 after upgrade");
     ASSERTF(list2D.metadata(0).fItem1 == 1 && list2D.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1 after upgrade");
     ASSERTF(list2D.metadata(1).fItem1 == 2 && list2D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");
     ASSERTF(is_3d_persp_quad(list2D[2]), "Incorrect quad at i=2");
     ASSERTF(list2D.metadata(2).fItem1 == 3 && list2D.metadata(2).fItem2 == 3.f,
             "Incorrect metadata at i=2");
 }

 TEST(AddWithMetadata3D) {
     // Now make a list that starts with a 3D persp quad, then has conventional quads added to it
     // and make sure its state is correct
     GrTQuadList<TestData> list3D;
     list3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {3, 3.f});
     list3D.push_back(make_2d_persp_quad(), GrQuadType::kRect, {2, 2.f});
     list3D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});

     ASSERTF(list3D.count() == 3, "Unexpected count: %d", list3D.count());
     ASSERTF(is_3d_persp_quad(list3D[0]), "Incorrect quad at i=0");
     ASSERTF(list3D.metadata(0).fItem1 == 3 && list3D.metadata(0).fItem2 == 3.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_2d_persp_quad(list3D[1]), "Incorrect quad at i=1");
     ASSERTF(list3D.metadata(1).fItem1 == 2 && list3D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");
     ASSERTF(is_2d_quad(list3D[2]), "Incorrect quad at i=2");
     ASSERTF(list3D.metadata(2).fItem1 == 1 && list3D.metadata(2).fItem2 == 1.f,
             "Incorrect metadata at i=2");
 }

 TEST(Concat2DWith2D) {
     GrQuadList a2D;
     a2D.push_back(make_2d_quad(), GrQuadType::kRect);
     GrQuadList b2D;
     b2D.push_back(make_2d_persp_quad(), GrQuadType::kRect);

     a2D.concat(b2D);

     ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
     ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
     ASSERTF(is_2d_persp_quad(a2D[1]), "Incorrect quad at i=1");
 }

 TEST(Concat2DWith3D) {
     GrQuadList a2D;
     a2D.push_back(make_2d_quad(), GrQuadType::kRect);
     GrQuadList b3D;
     b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);

     a2D.concat(b3D);

     ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
     ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
     ASSERTF(is_3d_persp_quad(a2D[1]), "Incorrect quad at i=1");
 }

 TEST(Concat3DWith2D) {
     GrQuadList a3D;
     a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
     GrQuadList b2D;
     b2D.push_back(make_2d_quad(), GrQuadType::kRect);

     a3D.concat(b2D);

     ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
     ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
     ASSERTF(is_2d_quad(a3D[1]), "Incorrect quad at i=1");
 }

 TEST(Concat3DWith3D) {
     GrQuadList a3D;
     a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
     GrQuadList b3D;
     b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);

     a3D.concat(b3D);

     ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
     ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
     ASSERTF(is_3d_persp_quad(a3D[1]), "Incorrect quad at i=1");
 }

 TEST(Concat2DWith2DMetadata) {
     GrTQuadList<TestData> a2D;
     a2D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
     GrTQuadList<TestData> b2D;
     b2D.push_back(make_2d_persp_quad(), GrQuadType::kRect, {2, 2.f});

     a2D.concat(b2D);

     ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
     ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
     ASSERTF(a2D.metadata(0).fItem1 == 1 && a2D.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_2d_persp_quad(a2D[1]), "Incorrect quad at i=1");
     ASSERTF(a2D.metadata(1).fItem1 == 2 && a2D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");
 }

 TEST(Concat2DWith3DMetadata) {
     GrTQuadList<TestData> a2D;
     a2D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
     GrTQuadList<TestData> b3D;
     b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {2, 2.f});

     a2D.concat(b3D);

     ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
     ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
     ASSERTF(a2D.metadata(0).fItem1 == 1 && a2D.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_3d_persp_quad(a2D[1]), "Incorrect quad at i=1");
     ASSERTF(a2D.metadata(1).fItem1 == 2 && a2D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");
 }

 TEST(Concat3DWith2DMetadata) {
     GrTQuadList<TestData> a3D;
     a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {1, 1.f});
     GrTQuadList<TestData> b2D;
     b2D.push_back(make_2d_quad(), GrQuadType::kRect, {2, 2.f});

     a3D.concat(b2D);

     ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
     ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
     ASSERTF(a3D.metadata(0).fItem1 == 1 && a3D.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_2d_quad(a3D[1]), "Incorrect quad at i=1");
     ASSERTF(a3D.metadata(1).fItem1 == 2 && a3D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");
 }

 TEST(Concat3DWith3DMetadata) {
     GrTQuadList<TestData> a3D;
     a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {1, 1.f});
     GrTQuadList<TestData> b3D;
     b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {2, 2.f});

     a3D.concat(b3D);

     ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
     ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
     ASSERTF(a3D.metadata(0).fItem1 == 1 && a3D.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0");
     ASSERTF(is_3d_persp_quad(a3D[1]), "Incorrect quad at i=1");
     ASSERTF(a3D.metadata(1).fItem1 == 2 && a3D.metadata(1).fItem2 == 2.f,
             "Incorrect metadata at i=1");
 }

 TEST(WriteMetadata) {
     GrTQuadList<TestData> list;
     list.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
     ASSERTF(list.metadata(0).fItem1 == 1 && list.metadata(0).fItem2 == 1.f,
             "Incorrect metadata at i=0"); // Sanity check

     // Rewrite metadata within the list and read back
     list.metadata(0).fItem1 = 2;
     list.metadata(0).fItem2 = 2.f;
     ASSERTF(list.metadata(0).fItem1 == 2 && list.metadata(0).fItem2 == 2.f,
             "Incorrect metadata at i=0 after edit");
 }
	/*
	* Copyright 2019 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#include "Test.h"

	#include "GrQuad.h"

	#define ASSERT(cond) REPORTER_ASSERT(r, cond)
	#define ASSERTF(cond, ...) REPORTER_ASSERT(r, cond, __VA_ARGS__)
	#define TEST(name) DEF_TEST(GrQuadList##name, r)

	struct TestData {
	int fItem1;
	float fItem2;
	};

	// Simple factories to make placeholder quads used in the tests. The 2D quads
	// will have the kRect quad type.
	static GrQuad make_2d_quad() {
	return GrQuad(SkRect::MakeLTRB(1.f, 2.f, 3.f, 4.f));
	}
	static bool is_2d_quad(const GrPerspQuad& quad) {
	return quad.x(0) == 1.f && quad.x(1) == 1.f && quad.x(2) == 3.f && quad.x(3) == 3.f &&
	quad.y(0) == 2.f && quad.y(1) == 4.f && quad.y(2) == 2.f && quad.y(3) == 4.f &&
	quad.w(0) == 1.f && quad.w(1) == 1.f && quad.w(2) == 1.f && quad.w(3) == 1.f;
	}

	static GrPerspQuad make_2d_persp_quad() {
	return GrPerspQuad(SkRect::MakeLTRB(5.f, 6.f, 7.f, 8.f), SkMatrix::I());
	}
	static bool is_2d_persp_quad(const GrPerspQuad& quad) {
	return quad.x(0) == 5.f && quad.x(1) == 5.f && quad.x(2) == 7.f && quad.x(3) == 7.f &&
	quad.y(0) == 6.f && quad.y(1) == 8.f && quad.y(2) == 6.f && quad.y(3) == 8.f &&
	quad.w(0) == 1.f && quad.w(1) == 1.f && quad.w(2) == 1.f && quad.w(3) == 1.f;
	}

	static GrPerspQuad make_3d_persp_quad() {
	// This perspective matrix leaves x and y unmodified, and sets w to the persp2 value
	SkMatrix p = SkMatrix::I();
	p[SkMatrix::kMPersp2] = 13.f;
	SkASSERT(p.hasPerspective()); // Sanity check
	return GrPerspQuad(SkRect::MakeLTRB(9.f, 10.f, 11.f, 12.f), p);
	}
	static bool is_3d_persp_quad(const GrPerspQuad& quad) {
	return quad.x(0) == 9.f && quad.x(1) == 9.f && quad.x(2) == 11.f && quad.x(3) == 11.f &&
	quad.y(0) == 10.f && quad.y(1) == 12.f && quad.y(2) == 10.f && quad.y(3) == 12.f &&
	quad.w(0) == 13.f && quad.w(1) == 13.f && quad.w(2) == 13.f && quad.w(3) == 13.f;
	}

	TEST(Add2D) {
	GrQuadList list2D;
	// Add a plain quad, a 2D persp quad, and then a 3D persp quad, then read back and make sure
	// the coordinates make sense (including that the type was lifted to perspective).
	list2D.push_back(make_2d_quad(), GrQuadType::kRect);
	list2D.push_back(make_2d_persp_quad(), GrQuadType::kRect);

	// Check 2D state of the list
	ASSERTF(list2D.count() == 2, "Unexpected count: %d", list2D.count());
	ASSERTF(list2D.quadType() == GrQuadType::kRect, "Unexpected quad type: %d",
	(uint32_t) list2D.quadType());
	ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0");
	ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1");

	// Force the 2D quads to be updated to store ws by adding a perspective quad
	list2D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
	ASSERTF(list2D.quadType() == GrQuadType::kPerspective,
	"Expected 2D list to be upgraded to perspective");

	// Re-check full state of list after type upgrade
	ASSERTF(list2D.count() == 3, "Unexpected count: %d", list2D.count());
	ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0 after upgrade");
	ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1 after upgrade");
	ASSERTF(is_3d_persp_quad(list2D[2]), "Incorrect quad at i=2");
	}

	TEST(Add3D) {
	// Now make a list that starts with a 3D persp quad, then has conventional quads added to it
	// and make sure its state is correct
	GrQuadList list3D;
	list3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
	list3D.push_back(make_2d_persp_quad(), GrQuadType::kRect);
	list3D.push_back(make_2d_quad(), GrQuadType::kRect);

	ASSERTF(list3D.count() == 3, "Unexpected count: %d", list3D.count());
	ASSERTF(is_3d_persp_quad(list3D[0]), "Incorrect quad at i=0");
	ASSERTF(is_2d_persp_quad(list3D[1]), "Incorrect quad at i=1");
	ASSERTF(is_2d_quad(list3D[2]), "Incorrect quad at i=2");
	}

	TEST(AddWithMetadata2D) {
	// As above, but also make sure that the metadata is saved and read properly
	GrTQuadList<TestData> list2D;
	// Add a plain quad, a 2D persp quad, and then a 3D persp quad, then read back and make sure
	// the coordinates make sense (including that the type was lifted to perspective).
	list2D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
	list2D.push_back(make_2d_persp_quad(), GrQuadType::kRect, {2, 2.f});

	// Check 2D state of the list
	ASSERTF(list2D.count() == 2, "Unexpected count: %d", list2D.count());
	ASSERTF(list2D.quadType() == GrQuadType::kRect, "Unexpected quad type: %d",
	(uint32_t) list2D.quadType());
	ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0");
	ASSERTF(list2D.metadata(0).fItem1 == 1 && list2D.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1");
	ASSERTF(list2D.metadata(1).fItem1 == 2 && list2D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");

	// Force the 2D quads to be updated to store ws by adding a perspective quad
	list2D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {3, 3.f});
	ASSERTF(list2D.quadType() == GrQuadType::kPerspective,
	"Expected 2D list to be upgraded to perspective");

	// Re-check full state of list after type upgrade
	ASSERTF(list2D.count() == 3, "Unexpected count: %d", list2D.count());
	ASSERTF(is_2d_quad(list2D[0]), "Incorrect quad at i=0 after upgrade");
	ASSERTF(list2D.metadata(0).fItem1 == 1 && list2D.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_2d_persp_quad(list2D[1]), "Incorrect quad at i=1 after upgrade");
	ASSERTF(list2D.metadata(1).fItem1 == 2 && list2D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");
	ASSERTF(is_3d_persp_quad(list2D[2]), "Incorrect quad at i=2");
	ASSERTF(list2D.metadata(2).fItem1 == 3 && list2D.metadata(2).fItem2 == 3.f,
	"Incorrect metadata at i=2");
	}

	TEST(AddWithMetadata3D) {
	// Now make a list that starts with a 3D persp quad, then has conventional quads added to it
	// and make sure its state is correct
	GrTQuadList<TestData> list3D;
	list3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {3, 3.f});
	list3D.push_back(make_2d_persp_quad(), GrQuadType::kRect, {2, 2.f});
	list3D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});

	ASSERTF(list3D.count() == 3, "Unexpected count: %d", list3D.count());
	ASSERTF(is_3d_persp_quad(list3D[0]), "Incorrect quad at i=0");
	ASSERTF(list3D.metadata(0).fItem1 == 3 && list3D.metadata(0).fItem2 == 3.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_2d_persp_quad(list3D[1]), "Incorrect quad at i=1");
	ASSERTF(list3D.metadata(1).fItem1 == 2 && list3D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");
	ASSERTF(is_2d_quad(list3D[2]), "Incorrect quad at i=2");
	ASSERTF(list3D.metadata(2).fItem1 == 1 && list3D.metadata(2).fItem2 == 1.f,
	"Incorrect metadata at i=2");
	}

	TEST(Concat2DWith2D) {
	GrQuadList a2D;
	a2D.push_back(make_2d_quad(), GrQuadType::kRect);
	GrQuadList b2D;
	b2D.push_back(make_2d_persp_quad(), GrQuadType::kRect);

	a2D.concat(b2D);

	ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
	ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
	ASSERTF(is_2d_persp_quad(a2D[1]), "Incorrect quad at i=1");
	}

	TEST(Concat2DWith3D) {
	GrQuadList a2D;
	a2D.push_back(make_2d_quad(), GrQuadType::kRect);
	GrQuadList b3D;
	b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);

	a2D.concat(b3D);

	ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
	ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
	ASSERTF(is_3d_persp_quad(a2D[1]), "Incorrect quad at i=1");
	}

	TEST(Concat3DWith2D) {
	GrQuadList a3D;
	a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
	GrQuadList b2D;
	b2D.push_back(make_2d_quad(), GrQuadType::kRect);

	a3D.concat(b2D);

	ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
	ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
	ASSERTF(is_2d_quad(a3D[1]), "Incorrect quad at i=1");
	}

	TEST(Concat3DWith3D) {
	GrQuadList a3D;
	a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);
	GrQuadList b3D;
	b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective);

	a3D.concat(b3D);

	ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
	ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
	ASSERTF(is_3d_persp_quad(a3D[1]), "Incorrect quad at i=1");
	}

	TEST(Concat2DWith2DMetadata) {
	GrTQuadList<TestData> a2D;
	a2D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
	GrTQuadList<TestData> b2D;
	b2D.push_back(make_2d_persp_quad(), GrQuadType::kRect, {2, 2.f});

	a2D.concat(b2D);

	ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
	ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
	ASSERTF(a2D.metadata(0).fItem1 == 1 && a2D.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_2d_persp_quad(a2D[1]), "Incorrect quad at i=1");
	ASSERTF(a2D.metadata(1).fItem1 == 2 && a2D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");
	}

	TEST(Concat2DWith3DMetadata) {
	GrTQuadList<TestData> a2D;
	a2D.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
	GrTQuadList<TestData> b3D;
	b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {2, 2.f});

	a2D.concat(b3D);

	ASSERTF(a2D.count() == 2, "Unexpected count: %d", a2D.count());
	ASSERTF(is_2d_quad(a2D[0]), "Incorrect quad at i=0");
	ASSERTF(a2D.metadata(0).fItem1 == 1 && a2D.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_3d_persp_quad(a2D[1]), "Incorrect quad at i=1");
	ASSERTF(a2D.metadata(1).fItem1 == 2 && a2D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");
	}

	TEST(Concat3DWith2DMetadata) {
	GrTQuadList<TestData> a3D;
	a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {1, 1.f});
	GrTQuadList<TestData> b2D;
	b2D.push_back(make_2d_quad(), GrQuadType::kRect, {2, 2.f});

	a3D.concat(b2D);

	ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
	ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
	ASSERTF(a3D.metadata(0).fItem1 == 1 && a3D.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_2d_quad(a3D[1]), "Incorrect quad at i=1");
	ASSERTF(a3D.metadata(1).fItem1 == 2 && a3D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");
	}

	TEST(Concat3DWith3DMetadata) {
	GrTQuadList<TestData> a3D;
	a3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {1, 1.f});
	GrTQuadList<TestData> b3D;
	b3D.push_back(make_3d_persp_quad(), GrQuadType::kPerspective, {2, 2.f});

	a3D.concat(b3D);

	ASSERTF(a3D.count() == 2, "Unexpected count: %d", a3D.count());
	ASSERTF(is_3d_persp_quad(a3D[0]), "Incorrect quad at i=0");
	ASSERTF(a3D.metadata(0).fItem1 == 1 && a3D.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0");
	ASSERTF(is_3d_persp_quad(a3D[1]), "Incorrect quad at i=1");
	ASSERTF(a3D.metadata(1).fItem1 == 2 && a3D.metadata(1).fItem2 == 2.f,
	"Incorrect metadata at i=1");
	}

	TEST(WriteMetadata) {
	GrTQuadList<TestData> list;
	list.push_back(make_2d_quad(), GrQuadType::kRect, {1, 1.f});
	ASSERTF(list.metadata(0).fItem1 == 1 && list.metadata(0).fItem2 == 1.f,
	"Incorrect metadata at i=0"); // Sanity check

	// Rewrite metadata within the list and read back
	list.metadata(0).fItem1 = 2;
	list.metadata(0).fItem2 = 2.f;
	ASSERTF(list.metadata(0).fItem1 == 2 && list.metadata(0).fItem2 == 2.f,
	"Incorrect metadata at i=0 after edit");
	}