test: add operator overloading tests in Number

PR-URL: #355
Reviewed-By: Michael Dawson <[email protected]>
Reviewed-By: Nicola Del Gobbo <[email protected]>

Author: Your Name

test/basic_types/number.cc

@@ -41,6 +41,40 @@ Value MaxDouble(const CallbackInfo& info) {
   return Number::New(info.Env(), DBL_MAX);
 }
 
+Value OperatorInt32(const CallbackInfo& info) {
+  Number number = info[0].As<Number>();
+  return Boolean::New(info.Env(), number.Int32Value() == static_cast<int32_t>(number));
+}
+
+Value OperatorUint32(const CallbackInfo& info) {
+  Number number = info[0].As<Number>();
+  return Boolean::New(info.Env(), number.Uint32Value() == static_cast<uint32_t>(number));
+}
+
+Value OperatorInt64(const CallbackInfo& info) {
+  Number number = info[0].As<Number>();
+  return Boolean::New(info.Env(), number.Int64Value() == static_cast<int64_t>(number));
+}
+
+Value OperatorFloat(const CallbackInfo& info) {
+  Number number = info[0].As<Number>();
+  return Boolean::New(info.Env(), number.FloatValue() == static_cast<float>(number));
+}
+
+Value OperatorDouble(const CallbackInfo& info) {
+  Number number = info[0].As<Number>();
+  return Boolean::New(info.Env(), number.DoubleValue() == static_cast<double>(number));
+}
+
+Value CreateEmptyNumber(const CallbackInfo& info) {
+  Number* number = new Number();
+  return Boolean::New(info.Env(), number->IsEmpty());
+}
+
+Value CreateNumberFromExistingValue(const CallbackInfo& info) {
+  return info[0].As<Number>();
+}
+
 Object InitBasicTypesNumber(Env env) {
   Object exports = Object::New(env);
 
@@ -53,6 +87,13 @@ Object InitBasicTypesNumber(Env env) {
   exports["maxFloat"] = Function::New(env, MaxFloat);
   exports["minDouble"] = Function::New(env, MinDouble);
   exports["maxDouble"] = Function::New(env, MaxDouble);
+  exports["operatorInt32"] = Function::New(env, OperatorInt32);
+  exports["operatorUint32"] = Function::New(env, OperatorUint32);
+  exports["operatorInt64"] = Function::New(env, OperatorInt64);
+  exports["operatorFloat"] = Function::New(env, OperatorFloat);
+  exports["operatorDouble"] = Function::New(env, OperatorDouble);
+  exports["createEmptyNumber"] = Function::New(env, CreateEmptyNumber);
+  exports["createNumberFromExistingValue"] = Function::New(env, CreateNumberFromExistingValue);
 
   return exports;
 }

test/basic_types/number.js

@@ -80,4 +80,37 @@ function test(binding) {
     assert.strictEqual(0, binding.basic_types_number.toDouble(MIN_DOUBLE * MIN_DOUBLE));
     assert.strictEqual(Infinity, binding.basic_types_number.toDouble(MAX_DOUBLE * MAX_DOUBLE));
   }
+
+  // Test for operator overloading
+  {
+    assert.strictEqual(binding.basic_types_number.operatorInt32(MIN_INT32), true);
+    assert.strictEqual(binding.basic_types_number.operatorInt32(MAX_INT32), true);
+    assert.strictEqual(binding.basic_types_number.operatorUint32(MIN_UINT32), true);
+    assert.strictEqual(binding.basic_types_number.operatorUint32(MAX_UINT32), true);
+    assert.strictEqual(binding.basic_types_number.operatorInt64(MIN_INT64), true);
+    assert.strictEqual(binding.basic_types_number.operatorInt64(MAX_INT64), true);
+    assert.strictEqual(binding.basic_types_number.operatorFloat(MIN_FLOAT), true);
+    assert.strictEqual(binding.basic_types_number.operatorFloat(MAX_FLOAT), true);
+    assert.strictEqual(binding.basic_types_number.operatorFloat(MAX_DOUBLE), true);
+    assert.strictEqual(binding.basic_types_number.operatorDouble(MIN_DOUBLE), true);
+    assert.strictEqual(binding.basic_types_number.operatorDouble(MAX_DOUBLE), true);
+  }
+
+  // Construction test
+  {
+    assert.strictEqual(binding.basic_types_number.createEmptyNumber(), true);
+    randomRangeTestForInteger(MIN_INT32, MAX_INT32, binding.basic_types_number.createNumberFromExistingValue);
+    assert.strictEqual(MIN_INT32, binding.basic_types_number.createNumberFromExistingValue(MIN_INT32));
+    assert.strictEqual(MAX_INT32, binding.basic_types_number.createNumberFromExistingValue(MAX_INT32));
+    randomRangeTestForInteger(MIN_UINT32, MAX_UINT32, binding.basic_types_number.createNumberFromExistingValue);
+    assert.strictEqual(MIN_UINT32, binding.basic_types_number.createNumberFromExistingValue(MIN_UINT32));
+    assert.strictEqual(MAX_UINT32, binding.basic_types_number.createNumberFromExistingValue(MAX_UINT32));
+    randomRangeTestForInteger(MIN_INT64, MAX_INT64, binding.basic_types_number.createNumberFromExistingValue);
+    assert.strictEqual(MIN_INT64, binding.basic_types_number.createNumberFromExistingValue(MIN_INT64));
+    assert.strictEqual(MAX_INT64, binding.basic_types_number.createNumberFromExistingValue(MAX_INT64));
+    assert.strictEqual(MIN_FLOAT, binding.basic_types_number.createNumberFromExistingValue(MIN_FLOAT));
+    assert.strictEqual(MAX_FLOAT, binding.basic_types_number.createNumberFromExistingValue(MAX_FLOAT));
+    assert.strictEqual(MIN_DOUBLE, binding.basic_types_number.createNumberFromExistingValue(MIN_DOUBLE));
+    assert.strictEqual(MAX_DOUBLE, binding.basic_types_number.createNumberFromExistingValue(MAX_DOUBLE));
+  }
 }