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 
32 namespace deqp
33 {
34 namespace gles31
35 {
36 namespace Functional
37 {
38 
verifyInfoLogQuery(tcu::ResultCollector & result,glu::CallLogWrapper & gl,int logLen,glw::GLuint object,void (glu::CallLogWrapper::* getInfoLog)(glw::GLuint,glw::GLsizei,glw::GLsizei *,glw::GLchar *),const char * getterName)39 void 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