1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// 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.
// Assembler tests for literal numbers and literal strings.
#include <string>
#include "test/test_fixture.h"
namespace spvtools {
namespace {
using spvtest::TextToBinaryTest;
TEST_F(TextToBinaryTest, LiteralStringInPlaceOfLiteralNumber) {
EXPECT_EQ(
R"(Invalid unsigned integer literal: "I shouldn't be a string")",
CompileFailure(R"(OpSource GLSL "I shouldn't be a string")"));
}
TEST_F(TextToBinaryTest, GarbageInPlaceOfLiteralString) {
EXPECT_EQ("Invalid literal string 'nice-source-code'.",
CompileFailure("OpSourceExtension nice-source-code"));
}
TEST_F(TextToBinaryTest, LiteralNumberInPlaceOfLiteralString) {
EXPECT_EQ("Expected literal string, found literal number '1000'.",
CompileFailure("OpSourceExtension 1000"));
}
TEST_F(TextToBinaryTest, LiteralFloatInPlaceOfLiteralInteger) {
EXPECT_EQ("Invalid unsigned integer literal: 10.5",
CompileFailure("OpSource GLSL 10.5"));
EXPECT_EQ("Invalid unsigned integer literal: 0.2",
CompileFailure(R"(OpMemberName %type 0.2 "member0.2")"));
EXPECT_EQ("Invalid unsigned integer literal: 32.42",
CompileFailure("%int = OpTypeInt 32.42 0"));
EXPECT_EQ("Invalid unsigned integer literal: 4.5",
CompileFailure("%mat = OpTypeMatrix %vec 4.5"));
EXPECT_EQ("Invalid unsigned integer literal: 1.5",
CompileFailure("OpExecutionMode %main LocalSize 1.5 1.6 1.7"));
EXPECT_EQ("Invalid unsigned integer literal: 0.123",
CompileFailure("%i32 = OpTypeInt 32 1\n"
"%c = OpConstant %i32 0.123"));
}
TEST_F(TextToBinaryTest, LiteralInt64) {
const std::string code =
"%1 = OpTypeInt 64 0\n%2 = OpConstant %1 123456789021\n";
EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
}
TEST_F(TextToBinaryTest, LiteralDouble) {
const std::string code =
"%1 = OpTypeFloat 64\n%2 = OpSpecConstant %1 3.14159265358979\n";
EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
}
TEST_F(TextToBinaryTest, LiteralStringASCIILong) {
// SPIR-V allows strings up to 65535 characters.
// Test the simple case of UTF-8 code points corresponding
// to ASCII characters.
EXPECT_EQ(65535, SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX);
const std::string code =
"OpSourceExtension \"" +
std::string(SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX, 'o') + "\"\n";
EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
}
TEST_F(TextToBinaryTest, LiteralStringUTF8LongEncodings) {
// SPIR-V allows strings up to 65535 characters.
// Test the case of many Unicode characters, each of which has
// a 4-byte UTF-8 encoding.
// An instruction is at most 65535 words long. The first one
// contains the wordcount and opcode. So the worst case number of
// 4-byte UTF-8 characters is 65533, since we also need to
// store a terminating null character.
// This string fits exactly into 65534 words.
const std::string good_string =
spvtest::MakeLongUTF8String(65533)
// The following single character has a 3 byte encoding,
// which fits snugly against the terminating null.
+ "\xe8\x80\x80";
// These strings will overflow any instruction with 0 or 1 other
// arguments, respectively.
const std::string bad_0_arg_string = spvtest::MakeLongUTF8String(65534);
const std::string bad_1_arg_string = spvtest::MakeLongUTF8String(65533);
const std::string good_code = "OpSourceExtension \"" + good_string + "\"\n";
EXPECT_EQ(good_code, EncodeAndDecodeSuccessfully(good_code));
// Prove that it works on more than one instruction.
const std::string good_code_2 = "OpSourceContinued \"" + good_string + "\"\n";
EXPECT_EQ(good_code, EncodeAndDecodeSuccessfully(good_code));
// Failure cases.
EXPECT_EQ("Instruction too long: more than 65535 words.",
CompileFailure("OpSourceExtension \"" + bad_0_arg_string + "\"\n"));
EXPECT_EQ("Instruction too long: more than 65535 words.",
CompileFailure("OpSourceContinued \"" + bad_0_arg_string + "\"\n"));
EXPECT_EQ("Instruction too long: more than 65535 words.",
CompileFailure("OpName %target \"" + bad_1_arg_string + "\"\n"));
}
} // namespace
} // namespace spvtools
|
