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      1 // Copyright (c) 2017 Pierre Moreau
      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 <string>
     16 
     17 #include "gmock/gmock.h"
     18 #include "test/link/linker_fixture.h"
     19 
     20 namespace spvtools {
     21 namespace {
     22 
     23 using ::testing::HasSubstr;
     24 using IdsLimit = spvtest::LinkerTest;
     25 
     26 TEST_F(IdsLimit, UnderLimit) {
     27   spvtest::Binaries binaries = {
     28       {
     29           SpvMagicNumber, SpvVersion, SPV_GENERATOR_CODEPLAY,
     30           0x2FFFFFu,  // NOTE: Bound
     31           0u,         // NOTE: Schema; reserved
     32       },
     33       {
     34           SpvMagicNumber, SpvVersion, SPV_GENERATOR_CODEPLAY,
     35           0x100000u,  // NOTE: Bound
     36           0u,         // NOTE: Schema; reserved
     37       }};
     38   spvtest::Binary linked_binary;
     39 
     40   ASSERT_EQ(SPV_SUCCESS, Link(binaries, &linked_binary));
     41   EXPECT_THAT(GetErrorMessage(), std::string());
     42   EXPECT_EQ(0x3FFFFEu, linked_binary[3]);
     43 }
     44 
     45 TEST_F(IdsLimit, OverLimit) {
     46   spvtest::Binaries binaries = {
     47       {
     48           SpvMagicNumber, SpvVersion, SPV_GENERATOR_CODEPLAY,
     49           0x2FFFFFu,  // NOTE: Bound
     50           0u,         // NOTE: Schema; reserved
     51       },
     52       {
     53           SpvMagicNumber, SpvVersion, SPV_GENERATOR_CODEPLAY,
     54           0x100000u,  // NOTE: Bound
     55           0u,         // NOTE: Schema; reserved
     56       },
     57       {
     58           SpvMagicNumber, SpvVersion, SPV_GENERATOR_CODEPLAY,
     59           3u,  // NOTE: Bound
     60           0u,  // NOTE: Schema; reserved
     61       }};
     62 
     63   spvtest::Binary linked_binary;
     64 
     65   EXPECT_EQ(SPV_ERROR_INVALID_ID, Link(binaries, &linked_binary));
     66   EXPECT_THAT(GetErrorMessage(),
     67               HasSubstr("The limit of IDs, 4194303, was exceeded: 4194304 is "
     68                         "the current ID bound."));
     69 }
     70 
     71 }  // namespace
     72 }  // namespace spvtools
     73