/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL ES 2.0 Module
 * -------------------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * 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.
 *
 *//*!
 * \file
 * \brief Negative Buffer API tests.
 *//*--------------------------------------------------------------------*/

#include "es2fNegativeBufferApiTests.hpp"
#include "es2fApiCase.hpp"
#include "gluContextInfo.hpp"

#include "glwEnums.hpp"
#include "glwDefs.hpp"

using namespace glw; // GL types

namespace deqp
{
namespace gles2
{
namespace Functional
{

using tcu::TestLog;

NegativeBufferApiTests::NegativeBufferApiTests (Context& context)
	: TestCaseGroup(context, "buffer", "Negative Buffer API Cases")
{
}

NegativeBufferApiTests::~NegativeBufferApiTests (void)
{
}

void NegativeBufferApiTests::init (void)
{
	ES2F_ADD_API_CASE(bind_buffer, "Invalid glBindBuffer() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not one of the allowable values.");
			glBindBuffer(-1, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(delete_buffers, "Invalid glDeleteBuffers() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
			glDeleteBuffers(-1, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(gen_buffers, "Invalid glGenBuffers() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
			glGenBuffers(-1, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(buffer_data, "Invalid glBufferData() usage",
		{
			GLuint buffer;
			glGenBuffers(1, &buffer);
			glBindBuffer(GL_ARRAY_BUFFER, buffer);

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER.");
			glBufferData(-1, 0, NULL, GL_STREAM_DRAW);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if usage is not GL_STREAM_DRAW, GL_STATIC_DRAW, or GL_DYNAMIC_DRAW.");
			glBufferData(GL_ARRAY_BUFFER, 0, NULL, -1);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if size is negative.");
			glBufferData(GL_ARRAY_BUFFER, -1, NULL, GL_STREAM_DRAW);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if the reserved buffer object name 0 is bound to target.");
			glBindBuffer(GL_ARRAY_BUFFER, 0);
			glBufferData(GL_ARRAY_BUFFER, 0, NULL, GL_STREAM_DRAW);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			glDeleteBuffers(1, &buffer);
		});
	ES2F_ADD_API_CASE(buffer_sub_data, "Invalid glBufferSubData() usage",
		{
			GLuint buffer;
			glGenBuffers(1, &buffer);
			glBindBuffer(GL_ARRAY_BUFFER, buffer);
			glBufferData(GL_ARRAY_BUFFER, 10, 0, GL_STREAM_DRAW);

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER.");
			glBufferSubData(-1, 1, 1, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if the reserved buffer object name 0 is bound to target.");
			glBindBuffer(GL_ARRAY_BUFFER, 0);
			glBufferSubData(GL_ARRAY_BUFFER, 1, 1, 0);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			glDeleteBuffers(1, &buffer);
		});
	ES2F_ADD_API_CASE(buffer_sub_data_size_offset, "Invalid glBufferSubData() usage",
		{
			GLuint buffer;
			glGenBuffers(1, &buffer);
			glBindBuffer(GL_ARRAY_BUFFER, buffer);
			glBufferData(GL_ARRAY_BUFFER, 10, 0, GL_STREAM_DRAW);

			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if offset or size is negative, or if together they define a region of memory that extends beyond the buffer object's allocated data store.");
			glBufferSubData(GL_ARRAY_BUFFER, -1, 1, 0);
			expectError(GL_INVALID_VALUE);
			glBufferSubData(GL_ARRAY_BUFFER, -1, -1, 0);
			expectError(GL_INVALID_VALUE);
			glBufferSubData(GL_ARRAY_BUFFER, 1, -1, 0);
			expectError(GL_INVALID_VALUE);
			glBufferSubData(GL_ARRAY_BUFFER, 15, 1, 0);
			expectError(GL_INVALID_VALUE);
			glBufferSubData(GL_ARRAY_BUFFER, 1, 15, 0);
			expectError(GL_INVALID_VALUE);
			glBufferSubData(GL_ARRAY_BUFFER, 8, 8, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;

			glDeleteBuffers(1, &buffer);
		});
	ES2F_ADD_API_CASE(clear, "Invalid glClear() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if any bit other than the three defined bits is set in mask.");
			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
			expectError(GL_NO_ERROR);
			glClear(0x00000200);
			expectError(GL_INVALID_VALUE);
			glClear(0x00001000);
			expectError(GL_INVALID_VALUE);
			glClear(0x00000010);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(read_pixels, "Invalid glReadPixels() usage",
		{
			std::vector<GLubyte> ubyteData(4);

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if the combination of format and type is unsupported.");
			glReadPixels(0, 0, 1, 1, GL_LUMINANCE_ALPHA, GL_UNSIGNED_SHORT_4_4_4_4, &ubyteData[0]);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if either width or height is negative.");
			glReadPixels(0, 0, -1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &ubyteData[0]);
			expectError(GL_INVALID_VALUE);
			glReadPixels(0, 0, 1, -1, GL_RGBA, GL_UNSIGNED_BYTE, &ubyteData[0]);
			expectError(GL_INVALID_VALUE);
			glReadPixels(0, 0, -1, -1, GL_RGBA, GL_UNSIGNED_BYTE, &ubyteData[0]);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
			GLuint fbo;
			glGenFramebuffers(1, &fbo);
			glBindFramebuffer(GL_FRAMEBUFFER, fbo);
			glCheckFramebufferStatus(GL_FRAMEBUFFER);
			glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &ubyteData[0]);
			expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(read_pixels_format_mismatch, "Invalid glReadPixels() usage",
		{
			std::vector<GLubyte> ubyteData(4);
			std::vector<GLushort> ushortData(4);

			m_log << TestLog::Section("", "Unsupported combinations of format and type will generate an INVALID_OPERATION error.");
			glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_SHORT_5_6_5, &ushortData[0]);
			expectError(GL_INVALID_OPERATION);
			glReadPixels(0, 0, 1, 1, GL_ALPHA, GL_UNSIGNED_SHORT_5_6_5, &ushortData[0]);
			expectError(GL_INVALID_OPERATION);
			glReadPixels(0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_4_4_4_4, &ushortData[0]);
			expectError(GL_INVALID_OPERATION);
			glReadPixels(0, 0, 1, 1, GL_ALPHA, GL_UNSIGNED_SHORT_4_4_4_4, &ushortData[0]);
			expectError(GL_INVALID_OPERATION);
			glReadPixels(0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_5_5_1, &ushortData[0]);
			expectError(GL_INVALID_OPERATION);
			glReadPixels(0, 0, 1, 1, GL_ALPHA, GL_UNSIGNED_SHORT_5_5_5_1, &ushortData[0]);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_RGBA/GL_UNSIGNED_BYTE is always accepted and the other acceptable pair can be discovered by querying GL_IMPLEMENTATION_COLOR_READ_FORMAT and GL_IMPLEMENTATION_COLOR_READ_TYPE.");
			glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &ubyteData[0]);
			expectError(GL_NO_ERROR);
			GLint readFormat;
			GLint readType;
			glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &readFormat);
			glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &readType);
			glReadPixels(0, 0, 1, 1, readFormat, readType, &ubyteData[0]);
			expectError(GL_NO_ERROR);
			m_log << TestLog::EndSection;
		});

	// Framebuffer Objects

	ES2F_ADD_API_CASE(bind_framebuffer, "Invalid glBindFramebuffer() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_FRAMEBUFFER.");
			glBindFramebuffer(-1, 0);
			expectError(GL_INVALID_ENUM);
			glBindFramebuffer(GL_RENDERBUFFER, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(bind_renderbuffer, "Invalid glBindRenderbuffer() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_RENDERBUFFER.");
			glBindRenderbuffer(-1, 0);
			expectError(GL_INVALID_ENUM);
			glBindRenderbuffer(GL_FRAMEBUFFER, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(check_framebuffer_status, "Invalid glCheckFramebufferStatus() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_FRAMEBUFFER.");
			glCheckFramebufferStatus(-1);
			expectError(GL_INVALID_ENUM);
			glCheckFramebufferStatus(GL_RENDERBUFFER);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(gen_framebuffers, "Invalid glGenFramebuffers() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
			glGenFramebuffers(-1, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(gen_renderbuffers, "Invalid glGenRenderbuffers() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
			glGenRenderbuffers(-1, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(delete_framebuffers, "Invalid glDeleteFramebuffers() usage",
		{
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
			glDeleteFramebuffers(-1, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(delete_renderbuffers, "Invalid glDeleteRenderbuffers() usage",
		{;
			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
			glDeleteRenderbuffers(-1, 0);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;
		});
	ES2F_ADD_API_CASE(framebuffer_renderbuffer, "Invalid glFramebufferRenderbuffer() usage",
		{
			GLuint fbo;
			GLuint rbo;
			glGenFramebuffers(1, &fbo);
			glBindFramebuffer(GL_FRAMEBUFFER, fbo);
			glGenRenderbuffers(1, &rbo);

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_FRAMEBUFFER.");
			glFramebufferRenderbuffer(-1, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if attachment is not an accepted attachment point.");
			glFramebufferRenderbuffer(GL_FRAMEBUFFER, -1, GL_RENDERBUFFER, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if renderbuffertarget is not GL_RENDERBUFFER.");
			glBindRenderbuffer(GL_RENDERBUFFER, rbo);
			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, -1, rbo);
			expectError(GL_INVALID_ENUM);
			glBindRenderbuffer(GL_RENDERBUFFER, 0);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if renderbuffer is neither 0 nor the name of an existing renderbuffer object.");
			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, -1);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if the default framebuffer object name 0 is bound.");
			glBindFramebuffer(GL_FRAMEBUFFER, 0);
			glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, 0);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			glDeleteRenderbuffers(1, &rbo);
			glDeleteFramebuffers(1, &fbo);
		});
	ES2F_ADD_API_CASE(framebuffer_texture2d, "Invalid glFramebufferTexture2D() usage",
		{
			GLuint fbo;
			GLuint tex2D;
			GLuint texCube;
			glGenFramebuffers(1, &fbo);
			glBindFramebuffer(GL_FRAMEBUFFER, fbo);
			glGenTextures(1, &tex2D);
			glBindTexture(GL_TEXTURE_2D, tex2D);
			glGenTextures(1, &texCube);
			glBindTexture(GL_TEXTURE_CUBE_MAP, texCube);
			expectError(GL_NO_ERROR);

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_FRAMEBUFFER.");
			glFramebufferTexture2D(-1, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if textarget is not an accepted texture target.");
			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, -1, tex2D, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if attachment is not an accepted attachment point.");
			glFramebufferTexture2D(GL_FRAMEBUFFER, -1, GL_TEXTURE_2D, 0, 0);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			// Detect compatible GLES context by querying GL_MAJOR_VERSION.
			// This query does not exist on GLES2 so succeeding query implies GLES3+ context.
			bool isES3Compatible = false;
			glw::GLint majorVersion = 0;
			glGetIntegerv(GL_MAJOR_VERSION, &majorVersion);
			if (glGetError() == GL_NO_ERROR)
				isES3Compatible = true;

			if (!(m_context.getContextInfo().isExtensionSupported("GL_OES_fbo_render_mipmap") || isES3Compatible))
			{
				m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if level is not 0.");
				glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex2D, 3);
				expectError(GL_INVALID_VALUE);
				m_log << TestLog::EndSection;
			}

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if texture is neither 0 nor the name of an existing texture object.");
			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, -1, 0);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if texture is the name of an existing two-dimensional texture object but textarget is not GL_TEXTURE_2D.");

			expectError(GL_NO_ERROR);
			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X, tex2D, 0);
			expectError(GL_INVALID_OPERATION);
			glDeleteTextures(1, &tex2D);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if texture is the name of an existing cube map texture object but textarget is GL_TEXTURE_2D.");
			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texCube, 0);
			expectError(GL_INVALID_OPERATION);
			glDeleteTextures(1, &texCube);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if the default framebuffer object name 0 is bound.");
			glBindFramebuffer(GL_FRAMEBUFFER, 0);
			glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			glDeleteFramebuffers(1, &fbo);
		});
	ES2F_ADD_API_CASE(renderbuffer_storage, "Invalid glRenderbufferStorage() usage",
		{
			GLuint rbo;
			glGenRenderbuffers(1, &rbo);
			glBindRenderbuffer(GL_RENDERBUFFER, rbo);

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if target is not GL_RENDERBUFFER.");
			glRenderbufferStorage(-1, GL_RGBA4, 1, 1);
			expectError(GL_INVALID_ENUM);
			glRenderbufferStorage(GL_FRAMEBUFFER, GL_RGBA4, 1, 1);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_ENUM is generated if internalformat is not an accepted format.");
			glRenderbufferStorage(GL_RENDERBUFFER, -1, 1, 1);
			expectError(GL_INVALID_ENUM);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA, 1, 1);
			expectError(GL_INVALID_ENUM);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, 1, 1);
			expectError(GL_INVALID_ENUM);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if width or height is less than zero.");
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, -1, 1);
			expectError(GL_INVALID_VALUE);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, 1, -1);
			expectError(GL_INVALID_VALUE);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, -1, -1);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_VALUE is generated if width or height is greater than GL_MAX_RENDERBUFFER_SIZE.");
			GLint maxSize;
			glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &maxSize);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, 1, maxSize+1);
			expectError(GL_INVALID_VALUE);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, maxSize+1, 1);
			expectError(GL_INVALID_VALUE);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, maxSize+1, maxSize+1);
			expectError(GL_INVALID_VALUE);
			m_log << TestLog::EndSection;

			m_log << TestLog::Section("", "GL_INVALID_OPERATION is generated if the reserved renderbuffer object name 0 is bound.");
			glBindRenderbuffer(GL_RENDERBUFFER, 0);
			glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, 1, 1);
			expectError(GL_INVALID_OPERATION);
			m_log << TestLog::EndSection;

			glDeleteRenderbuffers(1, &rbo);
		});
}

} // Functional
} // gles2
} // deqp