using Microsoft.VisualStudio.TestTools.UnitTesting;

using Tensorflow.NumPy;

using System;

using System.Linq;

using static Tensorflow.Binding;

using Tensorflow;

namespace TensorFlowNET.UnitTest.NumPy

{

[TestClass]

public class ShapeTest : EagerModeTestBase

{

[Ignore]

[TestMethod]

public unsafe void ShapeGetLastElements()

{

// test code from function _CheckAtLeast3DImage

// 之前的 _CheckAtLeast3DImage 有bug，现在通过测试，下面的代码是正确的

// todo: shape["-3:"] 的写法，目前有bug，需要修复，单元测试等修复后再放开，暂时先忽略测试

var image_shape = new Shape(new[] { 32, 64, 3 });

var image_shape_4d = new Shape(new[] { 4, 64, 32, 3 });

var image_shape_last_three_elements = new Shape(new[] {

image_shape.dims[image_shape.dims.Length - 3],

image_shape.dims[image_shape.dims.Length - 2],

image_shape.dims[image_shape.dims.Length - 1]});

var image_shape_last_three_elements2 = image_shape["-3:"];

Assert.IsTrue(Equal(image_shape_last_three_elements.dims, image_shape_last_three_elements2.dims), "3dims get fail.");

var image_shape_last_three_elements_4d = new Shape(new[] {

image_shape_4d.dims[image_shape_4d.dims.Length - 3],

image_shape_4d.dims[image_shape_4d.dims.Length - 2],

image_shape_4d.dims[image_shape_4d.dims.Length - 1]});

var image_shape_last_three_elements2_4d = image_shape_4d["-3:"];

Assert.IsTrue(Equals(image_shape_last_three_elements_4d.dims, image_shape_last_three_elements2_4d.dims), "4dims get fail.");

}

}

}