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1 // Copyright (c) 2015-2016 The Khronos Group Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "test/unit_spirv.h"
16 
17 namespace spvtools {
18 namespace {
19 
20 // A sampling of word counts.  Covers extreme points well, and all bit
21 // positions, and some combinations of bit positions.
22 const uint16_t kSampleWordCounts[] = {
23     0,   1,   2,   3,    4,    8,    16,   32,    64,    127,    128,
24     256, 511, 512, 1024, 2048, 4096, 8192, 16384, 32768, 0xfffe, 0xffff};
25 
26 // A sampling of opcode values.  Covers the lower values well, a few samples
27 // around the number of core instructions (as of this writing), and some
28 // higher values.
29 const uint16_t kSampleOpcodes[] = {0,   1,   2,    3,      4,     100,
30                                    300, 305, 1023, 0xfffe, 0xffff};
31 
TEST(OpcodeMake,Samples)32 TEST(OpcodeMake, Samples) {
33   for (auto wordCount : kSampleWordCounts) {
34     for (auto opcode : kSampleOpcodes) {
35       uint32_t word = 0;
36       word |= uint32_t(opcode);
37       word |= uint32_t(wordCount) << 16;
38       EXPECT_EQ(word, spvOpcodeMake(wordCount, SpvOp(opcode)));
39     }
40   }
41 }
42 
43 }  // namespace
44 }  // namespace spvtools
45