1 files changed, 68 insertions, 0 deletions
diff --git a/deps/v8/test/unittests/assembler/turbo-assembler-s390-unittest.cc b/deps/v8/test/unittests/assembler/turbo-assembler-s390-unittest.cc
new file mode 100644
index 00000000000..7d45ec907f9
--- /dev/null
+++ b/deps/v8/test/unittests/assembler/turbo-assembler-s390-unittest.cc
@@ -0,0 +1,68 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/macro-assembler.h"
+#include "src/s390/assembler-s390-inl.h"
+#include "src/simulator.h"
+#include "test/common/assembler-tester.h"
+#include "test/unittests/test-utils.h"
+#include "testing/gtest-support.h"
+
+namespace v8 {
+namespace internal {
+
+#define __ tasm.
+
+// Test the s390 assembler by compiling some simple functions into
+// a buffer and executing them.  These tests do not initialize the
+// V8 library, create a context, or use any V8 objects.
+
+class TurboAssemblerTest : public TestWithIsolate {};
+
+TEST_F(TurboAssemblerTest, TestHardAbort) {
+  size_t allocated;
+  byte* buffer = AllocateAssemblerBuffer(&allocated);
+  TurboAssembler tasm(nullptr, AssemblerOptions{}, buffer,
+                      static_cast<int>(allocated), CodeObjectRequired::kNo);
+  __ set_abort_hard(true);
+
+  __ Abort(AbortReason::kNoReason);
+
+  CodeDesc desc;
+  tasm.GetCode(nullptr, &desc);
+  MakeAssemblerBufferExecutable(buffer, allocated);
+  // We need an isolate here to execute in the simulator.
+  auto f = GeneratedCode<void>::FromBuffer(isolate(), buffer);
+
+  ASSERT_DEATH_IF_SUPPORTED({ f.Call(); }, "abort: no reason");
+}
+
+TEST_F(TurboAssemblerTest, TestCheck) {
+  size_t allocated;
+  byte* buffer = AllocateAssemblerBuffer(&allocated);
+  TurboAssembler tasm(nullptr, AssemblerOptions{}, buffer,
+                      static_cast<int>(allocated), CodeObjectRequired::kNo);
+  __ set_abort_hard(true);
+
+  // Fail if the first parameter is 17.
+  __ lgfi(r3, Operand(17));
+  __ CmpP(r2, r3);  // 1st parameter is in {r2}.
+  __ Check(Condition::ne, AbortReason::kNoReason);
+  __ Ret();
+
+  CodeDesc desc;
+  tasm.GetCode(nullptr, &desc);
+  MakeAssemblerBufferExecutable(buffer, allocated);
+  // We need an isolate here to execute in the simulator.
+  auto f = GeneratedCode<void, int>::FromBuffer(isolate(), buffer);
+
+  f.Call(0);
+  f.Call(18);
+  ASSERT_DEATH_IF_SUPPORTED({ f.Call(17); }, "abort: no reason");
+}
+
+#undef __
+
+}  // namespace internal
+}  // namespace v8