[Test] Unit test coverage for Value class

[JckXia]

class	methods
Value
Covered	Value()
Covered	Value(napi_env env, napi_value value)
Covered	static Value From(napi_env env, const T&value)
Covered	operator napi_value
Covered	bool operator ==(const Value& other) const
Covered	bool operator != (const Value& other) const
Covered	bool StrictEquals(const Value& other) const
Covered	Napi::Env Value::Env() const
Covered	bool IsEmpty()
Covered(see external.cc)	napi_valuetype Type() const
Covered	bool IsUndefined() const
Covered	bool IsNull()
Covered	bool IsBoolean() const
Covered	bool IsNumber() const
Covered (See bigint.js)	bool IsBigInt() const
Covered ( See date.cc)	bool IsDate() const
Covered	bool IsString() const
Covered	bool IsSymbol() const
Covered	bool IsArray() const
Covered	bool IsArrayBuffer() const
Covered	bool IsTypedArray() const
Covered	bool IsObject() const
Covered	bool IsFunction() const
Covered	bool IsPromise() const
Covered	bool IsDataView() const
Covered (see buffer.cc)	bool IsBuffer() const
Covered	bool IsExternal() const
Used by many function test suites, (i.e asynccontext.cc)	templateT As() const
Covered	MaybeOrValue ToBoolean()
Covered	MaybeOrValue ToNumber()
Covered	MaybeOrValue ToString()
Covered	MaybeOrValue ToObject()

Unless otherwise specified, the methods have been covered by tests written in value.cc

[github-actions]

This issue is stale because it has been open many days with no activity. It will be closed soon unless the stale label is removed or a comment is made.

[github-actions]

This issue is stale because it has been open many days with no activity. It will be closed soon unless the stale label is removed or a comment is made.

[JckXia]

Closed by pull request #1170