test: add tests for .Data method

- add tests for .Data method to ensure the content is consistent

PR-URL: #1203
Reviewed-By: Michael Dawson <midawson@redhat.com

test/typedarray.cc

@@ -1,5 +1,5 @@
+#include <vector>
 #include "napi.h"
-
 using namespace Napi;
 
 #if defined(NAPI_HAS_CONSTEXPR)
@@ -179,6 +179,99 @@ Value GetTypedArrayType(const CallbackInfo& info) {
   }
 }
 
+template <typename type>
+bool TypedArrayDataIsEquivalent(TypedArrayOf<type> arr,
+                                TypedArrayOf<type> inputArr) {
+  if (arr.ElementLength() != inputArr.ElementLength()) {
+    return false;
+  }
+  std::vector<type> bufferContent(arr.Data(), arr.Data() + arr.ElementLength());
+  std::vector<type> inputContent(inputArr.Data(),
+                                 inputArr.Data() + inputArr.ElementLength());
+  if (bufferContent != inputContent) {
+    return false;
+  }
+  return true;
+}
+
+Value CheckBufferContent(const CallbackInfo& info) {
+  TypedArray array = info[0].As<TypedArray>();
+
+  switch (array.TypedArrayType()) {
+    case napi_int8_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<int8_t>(info[0].As<Int8Array>(),
+                                             info[1].As<Int8Array>()));
+
+      break;
+    case napi_uint8_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<int8_t>(info[0].As<Int8Array>(),
+                                             info[1].As<Int8Array>()));
+
+    case napi_uint8_clamped_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<uint8_t>(info[0].As<Uint8Array>(),
+                                              info[1].As<Uint8Array>()));
+
+    case napi_int16_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<int16_t>(info[0].As<Int16Array>(),
+                                              info[1].As<Int16Array>()));
+
+    case napi_uint16_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<uint16_t>(info[0].As<Uint16Array>(),
+                                               info[1].As<Uint16Array>()));
+
+    case napi_int32_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<int32_t>(info[0].As<Int32Array>(),
+                                              info[1].As<Int32Array>()));
+
+    case napi_uint32_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<uint32_t>(info[0].As<Uint32Array>(),
+                                               info[1].As<Uint32Array>()));
+
+    case napi_float32_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<float>(info[0].As<Float32Array>(),
+                                            info[1].As<Float32Array>()));
+
+    case napi_float64_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<double>(info[0].As<Float64Array>(),
+                                             info[1].As<Float64Array>()));
+
+#if (NAPI_VERSION > 5)
+    case napi_bigint64_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<int64_t>(info[0].As<BigInt64Array>(),
+                                              info[1].As<BigInt64Array>()));
+
+    case napi_biguint64_array:
+      return Boolean::New(
+          info.Env(),
+          TypedArrayDataIsEquivalent<uint64_t>(info[0].As<BigUint64Array>(),
+                                               info[1].As<BigUint64Array>()));
+
+#endif
+    default:
+      return Boolean::New(info.Env(), false);
+  }
+}
+
 Value GetTypedArrayLength(const CallbackInfo& info) {
   TypedArray array = info[0].As<TypedArray>();
   return Number::New(info.Env(), static_cast<double>(array.ElementLength()));
@@ -310,6 +403,7 @@ Object InitTypedArray(Env env) {
   exports["getTypedArrayBuffer"] = Function::New(env, GetTypedArrayBuffer);
   exports["getTypedArrayElement"] = Function::New(env, GetTypedArrayElement);
   exports["setTypedArrayElement"] = Function::New(env, SetTypedArrayElement);
+  exports["checkBufferContent"] = Function::New(env, CheckBufferContent);
 
   return exports;
 }

test/typedarray.js

@@ -6,17 +6,42 @@ module.exports = require('./common').runTest(test);
 
 function test (binding) {
   const testData = [
-    ['int8', Int8Array, 1],
-    ['uint8', Uint8Array, 1],
-    ['uint8_clamped', Uint8ClampedArray, 1],
-    ['int16', Int16Array, 2],
-    ['uint16', Uint16Array, 2],
-    ['int32', Int32Array, 4],
-    ['uint32', Uint32Array, 4],
-    ['float32', Float32Array, 4],
-    ['float64', Float64Array, 8]
+    ['int8', Int8Array, 1, new Int8Array([0, 124, 24, 44])],
+    ['uint8', Uint8Array, 1, new Uint8Array([0, 255, 2, 14])],
+    ['uint8_clamped', Uint8ClampedArray, 1, new Uint8ClampedArray([0, 256, 0, 255])],
+    ['int16', Int16Array, 2, new Int16Array([-32768, 32767, 1234, 42])],
+    ['uint16', Uint16Array, 2, new Uint16Array([0, 65535, 4, 12])],
+    ['int32', Int32Array, 4, new Int32Array([Math.pow(2, 31), Math.pow(-2, 31), 255, 4])],
+    ['uint32', Uint32Array, 4, new Uint32Array([0, Math.pow(2, 32), 24, 125])],
+    ['float32', Float32Array, 4, new Float32Array([0, 21, 34, 45])],
+    ['float64', Float64Array, 8, new Float64Array([0, 4124, 45, 90])]
   ];
 
+  const bigIntTests = [
+    ['bigint64', BigInt64Array, 8, new BigInt64Array([9007199254740991n, 9007199254740991n, 24n, 125n])],
+    ['biguint64', BigUint64Array, 8, new BigUint64Array([9007199254740991n, 9007199254740991n, 2345n, 345n])]
+  ];
+
+  bigIntTests.forEach(data => {
+    const length = 4;
+    const t = binding.typedarray.createTypedArray(data[0], length);
+    assert.ok(t instanceof data[1]);
+    assert.strictEqual(binding.typedarray.getTypedArrayType(t), data[0]);
+    assert.strictEqual(binding.typedarray.getTypedArrayLength(t), length);
+    assert.strictEqual(binding.typedarray.getTypedArraySize(t), data[2]);
+    assert.strictEqual(binding.typedarray.getTypedArrayByteOffset(t), 0);
+    assert.strictEqual(binding.typedarray.getTypedArrayByteLength(t), data[2] * length);
+
+    t[3] = 11n;
+    assert.strictEqual(binding.typedarray.getTypedArrayElement(t, 3), 11n);
+    binding.typedarray.setTypedArrayElement(t, 3, 22n);
+    assert.strictEqual(binding.typedarray.getTypedArrayElement(t, 3), 22n);
+    assert.strictEqual(t[3], 22n);
+
+    const nonEmptyTypedArray = binding.typedarray.createTypedArray(data[0], length, data[3].buffer);
+    binding.typedarray.checkBufferContent(nonEmptyTypedArray, data[3]);
+  });
+
   testData.forEach(data => {
     try {
       const length = 4;
@@ -63,6 +88,9 @@ function test (binding) {
       assert.strictEqual(t[3], 22);
 
       assert.strictEqual(binding.typedarray.getTypedArrayBuffer(t), b);
+
+      const nonEmptyTypedArray = binding.typedarray.createTypedArray(data[0], length, data[3].buffer);
+      assert.strictEqual(binding.typedarray.checkBufferContent(nonEmptyTypedArray, data[3]), true);
     } catch (e) {
       console.log(data);
       throw e;