[test] Move cctest/test-disasm-s390 to unittests/assembler/

... disasm-s390-unittest.

Bug: v8:12781
Change-Id: I52155e0f6667202ce2f3c7bd59cb0031694edbc6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3676642
Commit-Queue: 王澳 <wangao.james@bytedance.com>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80829}

test/cctest/BUILD.gn

@@ -322,10 +322,7 @@ v8_source_set("cctest_sources") {
       "test-disasm-ppc.cc",
     ]
   } else if (v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
-    sources += [  ### gcmole(arch:s390) ###
-      "test-assembler-s390.cc",
-      "test-disasm-s390.cc",
-    ]
+    sources += [ "test-assembler-s390.cc" ]  ### gcmole(arch:s390) ###
   } else if (v8_current_cpu == "riscv64") {
     sources += [  ### gcmole(arch:riscv64) ###
       "test-assembler-riscv64.cc",

test/unittests/BUILD.gn

@@ -541,6 +541,7 @@ v8_source_set("unittests_sources") {
     ]
   } else if (v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
     sources += [
+      "assembler/disasm-s390-unittest.cc",
       "assembler/turbo-assembler-s390-unittest.cc",
       "compiler/s390/instruction-selector-s390-unittest.cc",
     ]

test/cctest/test-disasm-s390.cc → test/unittests/assembler/disasm-s390-unittest.cc

@@ -28,18 +28,19 @@
 
 #include <stdlib.h>
 
-#include "src/init/v8.h"
-
 #include "src/codegen/macro-assembler.h"
 #include "src/debug/debug.h"
 #include "src/diagnostics/disasm.h"
 #include "src/diagnostics/disassembler.h"
 #include "src/execution/frames-inl.h"
+#include "src/init/v8.h"
 #include "test/cctest/cctest.h"
 
 namespace v8 {
 namespace internal {
 
+using DisasmS390Test = TestWithIsolate;
+
 bool DisassembleAndCompare(byte* pc, const char* compare_string) {
   disasm::NameConverter converter;
   disasm::Disassembler disasm(converter);
@@ -63,9 +64,7 @@ bool DisassembleAndCompare(byte* pc, const char* compare_string) {
 // disassembler. Declare the variables and allocate the data structures used
 // in the rest of the macros.
 #define SET_UP()                                             \
-  CcTest::InitializeVM();                                    \
-  Isolate* isolate = CcTest::i_isolate();                    \
-  HandleScope scope(isolate);                                \
+  HandleScope scope(isolate());                              \
   byte* buffer = reinterpret_cast<byte*>(malloc(4 * 1024));  \
   Assembler assm(AssemblerOptions{},                         \
                  ExternalAssemblerBuffer(buffer, 4 * 1024)); \
@@ -93,7 +92,7 @@ bool DisassembleAndCompare(byte* pc, const char* compare_string) {
     FATAL("S390 Disassembler tests failed.\n"); \
   }
 
-TEST(TwoBytes) {
+TEST_F(DisasmS390Test, TwoBytes) {
   SET_UP();
 
   COMPARE(ar(r3, r10), "1a3a           ar\tr3,r10");
@@ -118,7 +117,7 @@ TEST(TwoBytes) {
   VERIFY_RUN();
 }
 
-TEST(FourBytes) {
+TEST_F(DisasmS390Test, FourBytes) {
   SET_UP();
 
 #if V8_TARGET_ARCH_S390X
@@ -170,7 +169,7 @@ TEST(FourBytes) {
   VERIFY_RUN();
 }
 
-TEST(SixBytes) {
+TEST_F(DisasmS390Test, SixBytes) {
   SET_UP();
 
 #if V8_TARGET_ARCH_S390X