1/*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.1 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2015 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Info log query shared utilities
22 *//*--------------------------------------------------------------------*/
23
24#include "es31fInfoLogQueryShared.hpp"
25#include "glsStateQueryUtil.hpp"
26#include "tcuTestLog.hpp"
27#include "glwEnums.hpp"
28#include "gluStrUtil.hpp"
29
30#include <string>
31
32namespace deqp
33{
34namespace gles31
35{
36namespace Functional
37{
38
39void verifyInfoLogQuery (tcu::ResultCollector&			result,
40						 glu::CallLogWrapper&			gl,
41						 int							logLen,
42						 glw::GLuint					object,
43						 void (glu::CallLogWrapper::*	getInfoLog)(glw::GLuint, glw::GLsizei, glw::GLsizei*, glw::GLchar*),
44						 const char*					getterName)
45{
46	{
47		const tcu::ScopedLogSection	section	(gl.getLog(), "QueryAll", "Query all");
48		std::string					buf		(logLen + 2, 'X');
49
50		buf[logLen + 1] = '\0';
51		(gl.*getInfoLog)(object, logLen, DE_NULL, &buf[0]);
52		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), getterName);
53
54		if (logLen > 0 && buf[logLen-1] != '\0')
55			result.fail("Return buffer was not INFO_LOG_LENGTH sized and null-terminated");
56		else if (buf[logLen] != 'X' && buf[logLen+1] != '\0')
57			result.fail("Buffer end guard modified, query wrote over the end of the buffer.");
58	}
59
60	{
61		const tcu::ScopedLogSection section	(gl.getLog(), "QueryMore", "Query more");
62		std::string					buf		(logLen + 4, 'X');
63		int							written	= -1;
64
65		buf[logLen + 3] = '\0';
66		(gl.*getInfoLog)(object, logLen+2, &written, &buf[0]);
67		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), getterName);
68
69		if (written == -1)
70			result.fail("'length' was not written to");
71		else if (buf[written] != '\0')
72			result.fail("Either length was incorrect or result was not null-terminated");
73		else if (logLen != 0 && (written + 1) > logLen)
74			result.fail("'length' characters + null terminator is larger than INFO_LOG_LENGTH");
75		else if ((written + 1) < logLen)
76			result.fail("'length' is not consistent with INFO_LOG_LENGTH");
77		else if (buf[logLen+2] != 'X' && buf[logLen+3] != '\0')
78			result.fail("Buffer end guard modified, query wrote over the end of the buffer.");
79		else if (written != (int)strlen(&buf[0]))
80			result.fail("'length' and written string length do not match");
81	}
82
83	if (logLen > 2)
84	{
85		const tcu::ScopedLogSection section	(gl.getLog(), "QueryLess", "Query less");
86		std::string					buf		(logLen + 2, 'X');
87		int							written	= -1;
88
89		(gl.*getInfoLog)(object, 2, &written, &buf[0]);
90		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), getterName);
91
92		if (written == -1)
93			result.fail("'length' was not written to");
94		else if (written != 1)
95			result.fail("Expected 'length' = 1");
96		else if (buf[1] != '\0')
97			result.fail("Expected null terminator at index 1");
98	}
99
100	if (logLen > 0)
101	{
102		const tcu::ScopedLogSection section	(gl.getLog(), "QueryOne", "Query one character");
103		std::string					buf		(logLen + 2, 'X');
104		int							written	= -1;
105
106		(gl.*getInfoLog)(object, 1, &written, &buf[0]);
107		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), getterName);
108
109		if (written == -1)
110			result.fail("'length' was not written to");
111		else if (written != 0)
112			result.fail("Expected 'length' = 0");
113		else if (buf[0] != '\0')
114			result.fail("Expected null terminator at index 0");
115	}
116
117	{
118		const tcu::ScopedLogSection section	(gl.getLog(), "QueryNone", "Query to zero-sized buffer");
119		std::string					buf		(logLen + 2, 'X');
120		int							written	= -1;
121
122		(gl.*getInfoLog)(object, 0, &written, &buf[0]);
123		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), getterName);
124
125		if (written == -1)
126			result.fail("'length' was not written to");
127		else if (written != 0)
128			result.fail("Expected 'length' = 0");
129		else if (buf[0] != 'X')
130			result.fail("Unexpected buffer mutation at index 0");
131	}
132}
133
134} // Functional
135} // gles31
136} // deqp
137