1 files changed, 100 insertions, 0 deletions
diff --git a/test/val/val_extension_spv_khr_linkonce_odr_test.cpp b/test/val/val_extension_spv_khr_linkonce_odr_test.cpp
new file mode 100644
index 000000000..ac15558be
--- /dev/null
+++ b/test/val/val_extension_spv_khr_linkonce_odr_test.cpp
@@ -0,0 +1,100 @@
+// Copyright (c) 2020 Google 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.
+
+// Tests for OpExtension validator rules.
+
+#include <string>
+#include <vector>
+
+#include "gmock/gmock.h"
+#include "source/enum_string_mapping.h"
+#include "source/extensions.h"
+#include "source/spirv_target_env.h"
+#include "test/test_fixture.h"
+#include "test/unit_spirv.h"
+#include "test/val/val_fixtures.h"
+
+namespace spvtools {
+namespace val {
+namespace {
+
+using ::testing::HasSubstr;
+using ::testing::Values;
+using ::testing::ValuesIn;
+
+using ValidateSpvKHRLinkOnceODR = spvtest::ValidateBase<bool>;
+
+TEST_F(ValidateSpvKHRLinkOnceODR, Valid) {
+  const std::string str = R"(
+    OpCapability Kernel
+    OpCapability Addresses
+    OpCapability Linkage
+    OpExtension "SPV_KHR_linkonce_odr"
+    OpMemoryModel Physical32 OpenCL
+    OpDecorate %var LinkageAttributes "foobar" LinkOnceODR
+
+    %uint = OpTypeInt 32 0
+    %ptr = OpTypePointer CrossWorkgroup %uint
+    %var = OpVariable %ptr CrossWorkgroup
+
+)";
+  CompileSuccessfully(str.c_str());
+  EXPECT_EQ(SPV_SUCCESS, ValidateInstructions());
+}
+
+TEST_F(ValidateSpvKHRLinkOnceODR, RequiresExtension) {
+  const std::string str = R"(
+    OpCapability Kernel
+    OpCapability Addresses
+    OpCapability Linkage
+    OpMemoryModel Physical32 OpenCL
+    OpDecorate %var LinkageAttributes "foobar" LinkOnceODR
+
+    %uint = OpTypeInt 32 0
+    %ptr = OpTypePointer CrossWorkgroup %uint
+    %var = OpVariable %ptr CrossWorkgroup
+)";
+  CompileSuccessfully(str.c_str());
+  EXPECT_NE(SPV_SUCCESS, ValidateInstructions());
+  EXPECT_THAT(
+      getDiagnosticString(),
+      HasSubstr("4th operand of Decorate: operand LinkOnceODR(2) requires one "
+                "of these extensions: SPV_KHR_linkonce_odr \n"
+                "  OpDecorate %1 LinkageAttributes \"foobar\" LinkOnceODR\n"));
+}
+
+TEST_F(ValidateSpvKHRLinkOnceODR, RequiresLinkageCapability) {
+  const std::string str = R"(
+    OpCapability Kernel
+    OpCapability Addresses
+    OpExtension "SPV_KHR_linkonce_odr"
+    OpMemoryModel Physical32 OpenCL
+    OpDecorate %var LinkageAttributes "foobar" LinkOnceODR
+
+    %uint = OpTypeInt 32 0
+    %ptr = OpTypePointer CrossWorkgroup %uint
+    %var = OpVariable %ptr CrossWorkgroup
+)";
+  CompileSuccessfully(str.c_str());
+  EXPECT_NE(SPV_SUCCESS, ValidateInstructions());
+  EXPECT_THAT(
+      getDiagnosticString(),
+      HasSubstr(
+          "Operand 2 of Decorate requires one of these capabilities: Linkage \n"
+          "  OpDecorate %1 LinkageAttributes \"foobar\" LinkOnceODR"));
+}
+
+}  // namespace
+}  // namespace val
+}  // namespace spvtools