[test] Migrate cctest/test-api-accessors.cc to unittests/

... api/accessor-unittest.cc.

- Add IsInt32, IsString, IsUndefined matcher in
testing/gmock-support.h.

Bug: v8:12781
Change-Id: I764491d7643e35fb8bc1621e857873aa24f64ccd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3593573Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: 王澳 <wangao.james@bytedance.com>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80577}

test/cctest/BUILD.gn

@@ -178,7 +178,6 @@ v8_source_set("cctest_sources") {
     "test-accessor-assembler.cc",
     "test-accessors.cc",
     "test-allocation.cc",
-    "test-api-accessors.cc",
     "test-api-array-buffer.cc",
     "test-api-icu.cc",
     "test-api-interceptors.cc",

test/unittests/BUILD.gn

@@ -210,6 +210,7 @@ v8_source_set("unittests_sources") {
     "../../testing/gmock-support.h",
     "../../testing/gtest-support.h",
     "api/access-check-unittest.cc",
+    "api/accessor-unittest.cc",
     "api/deserialize-unittest.cc",
     "api/exception-unittest.cc",
     "api/interceptor-unittest.cc",

testing/gmock-support.h

@@ -9,6 +9,7 @@
 #include <cstring>
 #include <string>
 
+#include "include/v8-isolate.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace testing {
@@ -72,6 +73,30 @@ MATCHER_P(BitEq, x, std::string(negation ? "isn't" : "is") +
   return std::memcmp(&arg, &x, sizeof(x)) == 0;
 }
 
+// Creates a polymorphic matcher that matches JSValue to Int32.
+MATCHER_P(IsInt32, expected,
+          std::string(negation ? "isn't" : "is") + " Int32 " +
+              PrintToString(expected)) {
+  return arg->IsInt32() &&
+         arg->Int32Value(v8::Isolate::GetCurrent()->GetCurrentContext())
+                 .FromJust() == expected;
+}
+
+// Creates a polymorphic matcher that matches JSValue to String.
+MATCHER_P(IsString, expected,
+          std::string(negation ? "isn't" : "is") + " String " +
+              PrintToString(expected)) {
+  if (!arg->IsString()) {
+    return false;
+  }
+  v8::String::Utf8Value utf8(v8::Isolate::GetCurrent(), arg);
+  return strcmp(expected, *utf8) == 0;
+}
+
+// Creates a polymorphic matcher that matches JSValue to Undefined.
+MATCHER(IsUndefined, std::string(negation ? "isn't" : "is") + " Undefined") {
+  return arg->IsUndefined();
+}
 
 // CaptureEq(capture) captures the value passed in during matching as long as it
 // is unset, and once set, compares the value for equality with the argument.