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      1 // Copyright (c) 2015-2016 Google 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 <sstream>
     16 #include <string>
     17 
     18 #include "gmock/gmock.h"
     19 #include "test/unit_spirv.h"
     20 
     21 namespace spvtools {
     22 namespace {
     23 
     24 using ::testing::AnyOf;
     25 using ::testing::Eq;
     26 using ::testing::Ge;
     27 using ::testing::StartsWith;
     28 
     29 void CheckFormOfHighLevelVersion(const std::string& version) {
     30   std::istringstream s(version);
     31   char v = 'x';
     32   int year = -1;
     33   char period = 'x';
     34   int index = -1;
     35   s >> v >> year >> period >> index;
     36   EXPECT_THAT(v, Eq('v'));
     37   EXPECT_THAT(year, Ge(2016));
     38   EXPECT_THAT(period, Eq('.'));
     39   EXPECT_THAT(index, Ge(0));
     40   EXPECT_TRUE(s.good() || s.eof());
     41 
     42   std::string rest;
     43   s >> rest;
     44   EXPECT_THAT(rest, AnyOf("", "-dev"));
     45 }
     46 
     47 TEST(SoftwareVersion, ShortIsCorrectForm) {
     48   SCOPED_TRACE("short form");
     49   CheckFormOfHighLevelVersion(spvSoftwareVersionString());
     50 }
     51 
     52 TEST(SoftwareVersion, DetailedIsCorrectForm) {
     53   const std::string detailed_version(spvSoftwareVersionDetailsString());
     54   EXPECT_THAT(detailed_version, StartsWith("SPIRV-Tools v"));
     55 
     56   // Parse the high level version.
     57   const std::string from_v =
     58       detailed_version.substr(detailed_version.find_first_of('v'));
     59   const size_t first_space_after_v_or_npos = from_v.find_first_of(' ');
     60   SCOPED_TRACE(detailed_version);
     61   CheckFormOfHighLevelVersion(from_v.substr(0, first_space_after_v_or_npos));
     62 
     63   // We don't actually care about what comes after the version number.
     64 }
     65 
     66 }  // namespace
     67 }  // namespace spvtools
     68