1 files changed, 132 insertions, 0 deletions
diff --git a/src/test-interp.cc b/src/test-interp.cc
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+++ b/src/test-interp.cc
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2018 WebAssembly Community Group participants
+ *
+ * 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.
+ */
+
+#include "gtest/gtest.h"
+
+#include <memory>
+
+#include "src/binary-reader.h"
+#include "src/binary-reader-interp.h"
+#include "src/cast.h"
+#include "src/error-handler.h"
+#include "src/interp.h"
+#include "src/make-unique.h"
+
+using namespace wabt;
+
+namespace {
+
+class TrapHostImportDelegate : public interp::HostImportDelegate {
+ public:
+  Result ImportFunc(interp::FuncImport* import,
+                    interp::Func* func,
+                    interp::FuncSignature* func_sig,
+                    const ErrorCallback& callback) override {
+    cast<interp::HostFunc>(func)->callback = TrapCallback;
+    return Result::Ok;
+  }
+
+  Result ImportTable(interp::TableImport* import,
+                     interp::Table* table,
+                     const ErrorCallback& callback) override {
+    return Result::Error;
+  }
+
+  Result ImportMemory(interp::MemoryImport* import,
+                      interp::Memory* memory,
+                      const ErrorCallback& callback) override {
+    return Result::Error;
+  }
+
+  Result ImportGlobal(interp::GlobalImport* import,
+                      interp::Global* global,
+                      const ErrorCallback& callback) override {
+    return Result::Error;
+  }
+
+ private:
+  static interp::Result TrapCallback(const interp::HostFunc* func,
+                                     const interp::FuncSignature* sig,
+                                     Index num_args,
+                                     interp::TypedValue* args,
+                                     Index num_results,
+                                     interp::TypedValue* out_results,
+                                     void* user_data) {
+    return interp::Result::TrapHostTrapped;
+  }
+};
+
+class HostTrapTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    interp::HostModule* host_module = env_.AppendHostModule("host");
+    host_module->import_delegate = MakeUnique<TrapHostImportDelegate>();
+    executor_ = MakeUnique<interp::Executor>(&env_);
+  }
+
+  virtual void TearDown() {}
+
+  interp::ExecResult LoadModuleAndRunStartFunction(
+      const std::vector<uint8_t>& data) {
+    ErrorHandlerFile error_handler(Location::Type::Binary);
+    interp::DefinedModule* module = nullptr;
+    ReadBinaryOptions options;
+    Result result = ReadBinaryInterp(&env_, data.data(), data.size(), &options,
+                                     &error_handler, &module);
+    EXPECT_EQ(Result::Ok, result);
+
+    if (result == Result::Ok) {
+      return executor_->RunStartFunction(module);
+    } else {
+      return {};
+    }
+  }
+
+  interp::Environment env_;
+  std::unique_ptr<interp::Executor> executor_;
+};
+
+}  // end of anonymous namespace
+
+TEST_F(HostTrapTest, Call) {
+  // (import "host" "a" (func $0))
+  // (func $1 call $0)
+  // (start $1)
+  std::vector<uint8_t> data = {
+      0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01,
+      0x60, 0x00, 0x00, 0x02, 0x0a, 0x01, 0x04, 0x68, 0x6f, 0x73, 0x74,
+      0x01, 0x61, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x08, 0x01, 0x01,
+      0x0a, 0x06, 0x01, 0x04, 0x00, 0x10, 0x00, 0x0b,
+  };
+  ASSERT_EQ(interp::Result::TrapHostTrapped,
+            LoadModuleAndRunStartFunction(data).result);
+}
+
+TEST_F(HostTrapTest, CallIndirect) {
+  // (import "host" "a" (func $0))
+  // (table anyfunc (elem $0))
+  // (func $1 i32.const 0 call_indirect)
+  // (start $1)
+  std::vector<uint8_t> data = {
+      0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60,
+      0x00, 0x00, 0x02, 0x0a, 0x01, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x01, 0x61,
+      0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x04, 0x05, 0x01, 0x70, 0x01, 0x01,
+      0x01, 0x08, 0x01, 0x01, 0x09, 0x07, 0x01, 0x00, 0x41, 0x00, 0x0b, 0x01,
+      0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x41, 0x00, 0x11, 0x00, 0x00, 0x0b,
+  };
+  ASSERT_EQ(interp::Result::TrapHostTrapped,
+            LoadModuleAndRunStartFunction(data).result);
+}