// META: title=validation tests for WebNN API gruCell operation
// META: global=window,dedicatedworker
// META: script=../resources/utils_validation.js

'use strict';

const batchSize = 3, inputSize = 4, hiddenSize = 5;

// Dimensions required of required inputs.
const kValidInputDimensions = [batchSize, inputSize];
const kValidWeightDimensions = [3 * hiddenSize, inputSize];
const kValidRecurrentWeightDimensions = [3 * hiddenSize, hiddenSize];
const kValidHiddenStateDimensions = [batchSize, hiddenSize];
// Dimensions required of optional inputs.
const kValidBiasDimensions = [3 * hiddenSize];
const kValidRecurrentBiasDimensions = [3 * hiddenSize];
// Dimensions required of required output.
const kValidOutputDimensions = [batchSize, hiddenSize];

// Example descriptors which are valid according to the above dimensions.
const kExampleInputDescriptor = {
  dataType: 'float32',
  dimensions: kValidInputDimensions
};
const kExampleWeightDescriptor = {
  dataType: 'float32',
  dimensions: kValidWeightDimensions
};
const kExampleRecurrentWeightDescriptor = {
  dataType: 'float32',
  dimensions: kValidRecurrentWeightDimensions
};
const kExampleHiddenStateDescriptor = {
  dataType: 'float32',
  dimensions: kValidHiddenStateDimensions
};
const kExampleBiasDescriptor = {
  dataType: 'float32',
  dimensions: kValidBiasDimensions
};
const kExampleRecurrentBiasDescriptor = {
  dataType: 'float32',
  dimensions: kValidRecurrentBiasDimensions
};
const kExampleOutputDescriptor = {
    dataType: 'float32',
    dimensions: kValidOutputDimensions
  };

const tests = [
    {
        name: '[gruCell] Test with default options',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        output: kExampleOutputDescriptor
    },
    {
        name: '[gruCell] Test with given options',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: {
            bias: kExampleBiasDescriptor,
            recurrentBias: kExampleRecurrentBiasDescriptor,
            restAfter: true,
            layout: 'rzn',
            activations: ['sigmoid', 'relu']
        },
        output: kExampleOutputDescriptor
    },
    {
        name: '[gruCell] Throw if hiddenSize equals to zero',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: 0
    },
    {
        name: '[gruCell] Throw if hiddenSize is too large',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: 4294967295,
    },
    {
        name:
            '[gruCell] Throw if the data type of the inputs is not one of the floating point types',
        input: { dataType: 'uint32', dimensions: kValidInputDimensions },
        weight: { dataType: 'uint32', dimensions: kValidWeightDimensions },
        recurrentWeight: {
            dataType: 'uint32',
            dimensions: kValidRecurrentWeightDimensions
        },
        hiddenState: {
            dataType: 'uint32',
            dimensions: kValidHiddenStateDimensions
        },
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the rank of input is not 2',
        input: { dataType: 'float32', dimensions: [batchSize] },
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the input.dimensions[1] is incorrect',
        input: { dataType: 'float32', dimensions: [inputSize, inputSize] },
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name: '[gruCell] Throw if data type of weight is not one of the floating point types',
        input: kExampleInputDescriptor,
        weight: {
            dataType: 'int8',
            dimensions: [3 * hiddenSize, inputSize]
        },
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name: '[gruCell] Throw if rank of weight is not 2',
        input: kExampleInputDescriptor,
        weight: {
            dataType: 'float32',
            dimensions: [3 * hiddenSize]
        },
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name: '[gruCell] Throw if weight.dimensions[0] is not 3 * hiddenSize',
        input: kExampleInputDescriptor,
        weight: {
            dataType: 'float32',
            dimensions: [4 * hiddenSize, inputSize]
        },
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name: '[gruCell] Throw if data type of recurrentWeight is not one of the floating point types',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: {
            dataType: 'int32',
            dimensions: [3 * hiddenSize, hiddenSize]
        },
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the rank of recurrentWeight is not 2',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight:
            { dataType: 'float32', dimensions: [3 * hiddenSize] },
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the recurrentWeight.dimensions is invalid',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight:
            { dataType: 'float32', dimensions: [4 * hiddenSize, inputSize] },
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if data type of hiddenState is not one of the floating point types',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight:
            kExampleRecurrentWeightDescriptor,
        hiddenState: {
            dataType: 'uint32',
            dimensions: [batchSize, hiddenSize]
        },
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the rank of hiddenState is not 2',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight:
            kExampleRecurrentWeightDescriptor,
        hiddenState: {
            dataType: 'float32',
            dimensions: [hiddenSize]
        },
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the hiddenState.dimensions is invalid',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: {
            dataType: 'float32',
            dimensions: [batchSize, 3 * hiddenSize]
        },
        hiddenSize: hiddenSize
    },
    {
        name:
            '[gruCell] Throw if the size of options.activations is not 2',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: { activations: ['sigmoid', 'tanh', 'relu'] }
    },
    {
        name:
            '[gruCell] Throw if data type of options.bias is not one of the floating point types',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: { bias: { dataType: 'uint8', dimensions: [3 * hiddenSize] } }
    },
    {
        name:
            '[gruCell] Throw if the rank of options.bias is not 1',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: { bias: { dataType: 'float32', dimensions: [batchSize, 3 * hiddenSize] } }
    },
    {
        name:
            '[gruCell] Throw if options.bias.dimensions[0] is not 3 * hiddenSize',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: { bias: { dataType: 'float32', dimensions: [2 * hiddenSize] } }
    },
    {
        name:
            '[gruCell] Throw if data type of options.recurrentBias is not one of the floating point types',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: { recurrentBias: { dataType: 'int8', dimensions: [3 * hiddenSize] } }
    },
    {
        name:
            '[gruCell] Throw if the rank of options.recurrentBias is not 1',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: { recurrentBias: { dataType: 'float32', dimensions: [batchSize, 3 * hiddenSize] } }
    },
    {
        name:
            '[gruCell] Throw if options.recurrentBias.dimensions[0] is not 3 * hiddenSize',
        input: kExampleInputDescriptor,
        weight: kExampleWeightDescriptor,
        recurrentWeight: kExampleRecurrentWeightDescriptor,
        hiddenState: kExampleHiddenStateDescriptor,
        hiddenSize: hiddenSize,
        options: {
            recurrentBias: { dataType: 'float16', dimensions: [4 * hiddenSize] }
        }
    }
];

tests.forEach(
    test => promise_test(async t => {
        const input = builder.input(
            'input',
            { dataType: test.input.dataType, dimensions: test.input.dimensions });
        const weight = builder.input(
            'weight',
            { dataType: test.weight.dataType, dimensions: test.weight.dimensions });
        const recurrentWeight = builder.input('recurrentWeight', {
            dataType: test.recurrentWeight.dataType,
            dimensions: test.recurrentWeight.dimensions
        });
        const hiddenState = builder.input('hiddenState', {
            dataType: test.hiddenState.dataType,
            dimensions: test.hiddenState.dimensions
        });

        const options = {};
        if (test.options) {
            if (test.options.bias) {
                options.bias = builder.input('bias', {
                    dataType: test.options.bias.dataType,
                    dimensions: test.options.bias.dimensions
                });
            }
            if (test.options.recurrentBias) {
                options.bias = builder.input('recurrentBias', {
                    dataType: test.options.recurrentBias.dataType,
                    dimensions: test.options.recurrentBias.dimensions
                });
            }
            if (test.options.resetAfter) {
                options.resetAfter = test.options.resetAfter;
            }
            if (test.options.layout) {
                options.layout = test.options.layout;
            }
            if (test.options.activations) {
                options.activations = [];
                test.options.activations.forEach(
                    activation => options.activations.push(builder[activation]()));
            }
        }

        if (test.output) {
            const output = builder.gruCell(
                input, weight, recurrentWeight, hiddenState, test.hiddenSize,
                options);
            assert_equals(output.dataType(), test.output.dataType);
            assert_array_equals(output.shape(), test.output.dimensions);
        } else {
            assert_throws_js(
                TypeError,
                () => builder.gruCell(
                    input, weight, recurrentWeight, hiddenState, test.hiddenSize,
                    options));
        }
    }, test.name));

multi_builder_test(async (t, builder, otherBuilder) => {
  const inputFromOtherBuilder =
      otherBuilder.input('input', kExampleInputDescriptor);

  const weight = builder.input('weight', kExampleWeightDescriptor);
  const recurrentWeight =
      builder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);
  const hiddenState =
      builder.input('hiddenState', kExampleHiddenStateDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          inputFromOtherBuilder, weight, recurrentWeight, hiddenState,
          hiddenSize));
}, '[gruCell] throw if input is from another builder');

multi_builder_test(async (t, builder, otherBuilder) => {
  const weightFromOtherBuilder =
      otherBuilder.input('weight', kExampleWeightDescriptor);

  const input = builder.input('input', kExampleInputDescriptor);
  const recurrentWeight =
      builder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);
  const hiddenState =
      builder.input('hiddenState', kExampleHiddenStateDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          input, weightFromOtherBuilder, recurrentWeight, hiddenState,
          hiddenSize));
}, '[gruCell] throw if weight is from another builder');

multi_builder_test(async (t, builder, otherBuilder) => {
  const recurrentWeightFromOtherBuilder =
      otherBuilder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);

  const input = builder.input('input', kExampleInputDescriptor);
  const weight = builder.input('weight', kExampleWeightDescriptor);
  const hiddenState =
      builder.input('hiddenState', kExampleHiddenStateDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          input, weight, recurrentWeightFromOtherBuilder, hiddenState,
          hiddenSize));
}, '[gruCell] throw if recurrentWeight is from another builder');

multi_builder_test(async (t, builder, otherBuilder) => {
  const hiddenStateFromOtherBuilder =
      otherBuilder.input('hiddenState', kExampleHiddenStateDescriptor);

  const input = builder.input('input', kExampleInputDescriptor);
  const weight = builder.input('weight', kExampleWeightDescriptor);
  const recurrentWeight =
      builder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          input, weight, recurrentWeight, hiddenStateFromOtherBuilder,
          hiddenSize));
}, '[gruCell] throw if hiddenState is from another builder');

multi_builder_test(async (t, builder, otherBuilder) => {
  const biasFromOtherBuilder =
      otherBuilder.input('bias', kExampleBiasDescriptor);
  const options = {bias: biasFromOtherBuilder};

  const input = builder.input('input', kExampleInputDescriptor);
  const weight = builder.input('weight', kExampleWeightDescriptor);
  const recurrentWeight =
      builder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);
  const hiddenState =
      builder.input('hiddenState', kExampleHiddenStateDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          input, weight, recurrentWeight, hiddenState, hiddenSize, options));
}, '[gruCell] throw if bias option is from another builder');

multi_builder_test(async (t, builder, otherBuilder) => {
  const recurrentBiasFromOtherBuilder =
      otherBuilder.input('recurrentBias', kExampleRecurrentBiasDescriptor);
  const options = {recurrentBias: recurrentBiasFromOtherBuilder};

  const input = builder.input('input', kExampleInputDescriptor);
  const weight = builder.input('weight', kExampleWeightDescriptor);
  const recurrentWeight =
      builder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);
  const hiddenState =
      builder.input('hiddenState', kExampleHiddenStateDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          input, weight, recurrentWeight, hiddenState, hiddenSize, options));
}, '[gruCell] throw if recurrentBias option is from another builder');

multi_builder_test(async (t, builder, otherBuilder) => {
  const activation = builder.clamp();
  const activationFromOtherBuilder = otherBuilder.clamp();
  const options = {activations: [activation, activationFromOtherBuilder]};

  const input = builder.input('input', kExampleInputDescriptor);
  const weight = builder.input('weight', kExampleWeightDescriptor);
  const recurrentWeight =
      builder.input('recurrentWeight', kExampleRecurrentWeightDescriptor);
  const hiddenState =
      builder.input('hiddenState', kExampleHiddenStateDescriptor);
  assert_throws_js(
      TypeError,
      () => builder.gruCell(
          input, weight, recurrentWeight, hiddenState, hiddenSize, options));
}, '[gruCell] throw if any activation option is from another builder');