/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
import * as tf from '../index';
import { ALL_ENVS, describeWithFlags } from '../jasmine_util';
import { expectArraysEqual } from '../test_util';
async function expectTensor(tensor, shape, value) {
    const length = shape.length === 0 ? 1 : shape.reduce((a, b) => a * b);
    expect(tensor.shape).toEqual(shape);
    expectArraysEqual(await tensor.data(), new Array(length).fill(value));
}
describeWithFlags('squeeze', ALL_ENVS, () => {
    it('default', async () => {
        const assertType = async (dtype) => {
            const value = dtype === 'string' ? 'test' : 0.0;
            // Nothing to squeeze.
            await expectTensor(tf.squeeze(tf.fill([2], value)), [2], value);
            // Squeeze the middle element away.
            await expectTensor(tf.squeeze(tf.fill([2, 1, 2], value)), [2, 2], value);
            // Squeeze on both ends.
            await expectTensor(tf.squeeze(tf.fill([1, 2, 1, 3, 1], value)), [2, 3], value);
        };
        await assertType('string');
        await assertType('float32');
    });
    it('specific dimension', async () => {
        const assertType = async (dtype) => {
            const value = dtype === 'string' ? 'test' : 0.0;
            const shape = [1, 2, 1, 3, 1];
            // Positive squeeze dim index.
            await expectTensor(tf.squeeze(tf.fill(shape, value), [0]), [2, 1, 3, 1], value);
            await expectTensor(tf.squeeze(tf.fill(shape, value), [2, 4]), [1, 2, 3], value);
            await expectTensor(tf.squeeze(tf.fill(shape, value), [0, 4, 2]), [2, 3], value);
            // Negative squeeze dim index.
            await expectTensor(tf.squeeze(tf.fill(shape, value), [-1]), [1, 2, 1, 3], value);
            await expectTensor(tf.squeeze(tf.fill(shape, value), [-3, -5]), [2, 3, 1], value);
            await expectTensor(tf.squeeze(tf.fill(shape, value), [-3, -5, -1]), [2, 3], value);
        };
        await assertType('string');
        await assertType('float32');
    });
    it('all ones', async () => {
        const assertType = async (dtype) => {
            const value = dtype === 'string' ? 'test' : 0.0;
            await expectTensor(tf.squeeze(tf.fill([1, 1, 1], value)), [], value);
        };
        await assertType('string');
        await assertType('float32');
    });
    it('squeeze only ones', async () => {
        const assertType = async (dtype) => {
            const value = dtype === 'string' ? 'test' : 0.0;
            const shape = [1, 1, 3];
            await expectTensor(tf.squeeze(tf.fill(shape, value)), [3], value);
            await expectTensor(tf.squeeze(tf.fill(shape, value), [0]), [1, 3], value);
            await expectTensor(tf.squeeze(tf.fill(shape, value), [1]), [1, 3], value);
            expect(() => tf.squeeze(tf.fill(shape, value), [2])).toThrowError();
        };
        await assertType('string');
        await assertType('float32');
    });
    it('squeeze errors', async () => {
        const assertType = async (dtype) => {
            const value = dtype === 'string' ? 'test' : 0.0;
            const shape = [1, 2, 1];
            expect(() => tf.squeeze(tf.fill(shape, value), [-4])).toThrowError();
            expect(() => tf.squeeze(tf.fill(shape, value), [0, -4])).toThrowError();
            expect(() => tf.squeeze(tf.fill(shape, value), [3])).toThrowError();
            expect(() => tf.squeeze(tf.fill(shape, value), [2, 3])).toThrowError();
        };
        await assertType('string');
        await assertType('float32');
    });
});
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* @license\n * Copyright 2020 Google LLC. All Rights Reserved.\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n * =============================================================================\n */\nimport * as tf from '../index';\nimport {ALL_ENVS, describeWithFlags} from '../jasmine_util';\nimport {expectArraysEqual} from '../test_util';\n\nasync function expectTensor(\n    tensor: tf.Tensor, shape: number[], value: string|number) {\n  const length = shape.length === 0 ? 1 : shape.reduce((a, b) => a * b);\n  expect(tensor.shape).toEqual(shape);\n  expectArraysEqual(await tensor.data(), new Array(length).fill(value));\n}\n\ndescribeWithFlags('squeeze', ALL_ENVS, () => {\n  it('default', async () => {\n    const assertType = async (dtype: 'string'|'float32') => {\n      const value = dtype === 'string' ? 'test' : 0.0;\n      // Nothing to squeeze.\n      await expectTensor(tf.squeeze(tf.fill([2], value)), [2], value);\n\n      // Squeeze the middle element away.\n      await expectTensor(tf.squeeze(tf.fill([2, 1, 2], value)), [2, 2], value);\n\n      // Squeeze on both ends.\n      await expectTensor(\n          tf.squeeze(tf.fill([1, 2, 1, 3, 1], value)), [2, 3], value);\n    };\n\n    await assertType('string');\n    await assertType('float32');\n  });\n\n  it('specific dimension', async () => {\n    const assertType = async (dtype: 'string'|'float32') => {\n      const value = dtype === 'string' ? 'test' : 0.0;\n      const shape = [1, 2, 1, 3, 1];\n      // Positive squeeze dim index.\n      await expectTensor(\n          tf.squeeze(tf.fill(shape, value), [0]), [2, 1, 3, 1], value);\n      await expectTensor(\n          tf.squeeze(tf.fill(shape, value), [2, 4]), [1, 2, 3], value);\n      await expectTensor(\n          tf.squeeze(tf.fill(shape, value), [0, 4, 2]), [2, 3], value);\n\n      // Negative squeeze dim index.\n      await expectTensor(\n          tf.squeeze(tf.fill(shape, value), [-1]), [1, 2, 1, 3], value);\n      await expectTensor(\n          tf.squeeze(tf.fill(shape, value), [-3, -5]), [2, 3, 1], value);\n      await expectTensor(\n          tf.squeeze(tf.fill(shape, value), [-3, -5, -1]), [2, 3], value);\n    };\n\n    await assertType('string');\n    await assertType('float32');\n  });\n\n  it('all ones', async () => {\n    const assertType = async (dtype: 'string'|'float32') => {\n      const value = dtype === 'string' ? 'test' : 0.0;\n      await expectTensor(tf.squeeze(tf.fill([1, 1, 1], value)), [], value);\n    };\n\n    await assertType('string');\n    await assertType('float32');\n  });\n\n  it('squeeze only ones', async () => {\n    const assertType = async (dtype: 'string'|'float32') => {\n      const value = dtype === 'string' ? 'test' : 0.0;\n      const shape = [1, 1, 3];\n      await expectTensor(tf.squeeze(tf.fill(shape, value)), [3], value);\n      await expectTensor(tf.squeeze(tf.fill(shape, value), [0]), [1, 3], value);\n      await expectTensor(tf.squeeze(tf.fill(shape, value), [1]), [1, 3], value);\n      expect(() => tf.squeeze(tf.fill(shape, value), [2])).toThrowError();\n    };\n\n    await assertType('string');\n    await assertType('float32');\n  });\n\n  it('squeeze errors', async () => {\n    const assertType = async (dtype: 'string'|'float32') => {\n      const value = dtype === 'string' ? 'test' : 0.0;\n      const shape = [1, 2, 1];\n      expect(() => tf.squeeze(tf.fill(shape, value), [-4])).toThrowError();\n      expect(() => tf.squeeze(tf.fill(shape, value), [0, -4])).toThrowError();\n      expect(() => tf.squeeze(tf.fill(shape, value), [3])).toThrowError();\n      expect(() => tf.squeeze(tf.fill(shape, value), [2, 3])).toThrowError();\n    };\n\n    await assertType('string');\n    await assertType('float32');\n  });\n});\n"]}