/**
 * @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 { expectArraysClose } from '../test_util';
describeWithFlags('whereAsync', ALL_ENVS, () => {
    it('1d tensor', async () => {
        const condition = tf.tensor1d([true, false, true, true], 'bool');
        const res = await tf.whereAsync(condition);
        expect(res.dtype).toBe('int32');
        expect(res.shape).toEqual([3, 1]);
        expectArraysClose(await res.data(), [0, 2, 3]);
    });
    it('2d tensor', async () => {
        const condition = tf.tensor2d([[true, false, false], [false, true, true]], [2, 3], 'bool');
        const res = await tf.whereAsync(condition);
        expect(res.dtype).toBe('int32');
        expect(res.shape).toEqual([3, 2]);
        expectArraysClose(await res.data(), [0, 0, 1, 1, 1, 2]);
    });
    it('3d tensor', async () => {
        const condition = tf.tensor3d([
            [[true, false, false], [false, true, true]],
            [[false, false, false], [true, true, false]]
        ], [2, 2, 3], 'bool');
        const res = await tf.whereAsync(condition);
        expect(res.dtype).toBe('int32');
        expect(res.shape).toEqual([5, 3]);
        expectArraysClose(await res.data(), [0, 0, 0, 0, 1, 1, 0, 1, 2, 1, 1, 0, 1, 1, 1]);
    });
    it('accepts a tensor-like object', async () => {
        const condition = [true, false, true];
        const res = await tf.whereAsync(condition);
        expect(res.dtype).toBe('int32');
        expect(res.shape).toEqual([2, 1]);
        expectArraysClose(await res.data(), [0, 2]);
    });
    it('throws error if condition is not of type bool', async () => {
        const condition = tf.tensor1d([1, 0, 1]);
        // expect(...).toThrowError() does not support async functions.
        // See https://github.com/jasmine/jasmine/issues/1410
        try {
            await tf.whereAsync(condition);
            throw new Error('The line above should have thrown an error');
        }
        catch (ex) {
            expect(ex.message)
                .toMatch(/Argument 'condition' passed to 'whereAsync' must be bool/);
        }
    });
    it('returns tensor with 0 in shape when no values are true', async () => {
        const condition = [[[false]], [[false]], [[false]]];
        const res = await tf.whereAsync(condition);
        expect(res.dtype).toBe('int32');
        expect(res.shape).toEqual([0, 3]);
        expectArraysClose(await res.data(), []);
    });
});
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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 */\n\nimport * as tf from '../index';\nimport {ALL_ENVS, describeWithFlags} from '../jasmine_util';\nimport {expectArraysClose} from '../test_util';\n\ndescribeWithFlags('whereAsync', ALL_ENVS, () => {\n  it('1d tensor', async () => {\n    const condition = tf.tensor1d([true, false, true, true], 'bool');\n    const res = await tf.whereAsync(condition);\n    expect(res.dtype).toBe('int32');\n    expect(res.shape).toEqual([3, 1]);\n    expectArraysClose(await res.data(), [0, 2, 3]);\n  });\n\n  it('2d tensor', async () => {\n    const condition = tf.tensor2d(\n        [[true, false, false], [false, true, true]], [2, 3], 'bool');\n    const res = await tf.whereAsync(condition);\n    expect(res.dtype).toBe('int32');\n    expect(res.shape).toEqual([3, 2]);\n    expectArraysClose(await res.data(), [0, 0, 1, 1, 1, 2]);\n  });\n\n  it('3d tensor', async () => {\n    const condition = tf.tensor3d(\n        [\n          [[true, false, false], [false, true, true]],\n          [[false, false, false], [true, true, false]]\n        ],\n        [2, 2, 3], 'bool');\n    const res = await tf.whereAsync(condition);\n    expect(res.dtype).toBe('int32');\n    expect(res.shape).toEqual([5, 3]);\n    expectArraysClose(\n        await res.data(), [0, 0, 0, 0, 1, 1, 0, 1, 2, 1, 1, 0, 1, 1, 1]);\n  });\n\n  it('accepts a tensor-like object', async () => {\n    const condition = [true, false, true];\n    const res = await tf.whereAsync(condition);\n    expect(res.dtype).toBe('int32');\n    expect(res.shape).toEqual([2, 1]);\n    expectArraysClose(await res.data(), [0, 2]);\n  });\n\n  it('throws error if condition is not of type bool', async () => {\n    const condition = tf.tensor1d([1, 0, 1]);\n    // expect(...).toThrowError() does not support async functions.\n    // See https://github.com/jasmine/jasmine/issues/1410\n    try {\n      await tf.whereAsync(condition);\n      throw new Error('The line above should have thrown an error');\n    } catch (ex) {\n      expect(ex.message)\n          .toMatch(/Argument 'condition' passed to 'whereAsync' must be bool/);\n    }\n  });\n\n  it('returns tensor with 0 in shape when no values are true', async () => {\n    const condition = [[[false]], [[false]], [[false]]];\n    const res = await tf.whereAsync(condition);\n    expect(res.dtype).toBe('int32');\n    expect(res.shape).toEqual([0, 3]);\n    expectArraysClose(await res.data(), []);\n  });\n});\n"]}