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1 | 1 | import test from 'tape-catch';
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2 | 2 | import vtkDataArray from 'vtk.js/Sources/Common/Core/DataArray';
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| 3 | +import Constants from 'vtk.js/Sources/Common/Core/DataArray/Constants'; |
| 4 | +import * as macro from 'vtk.js/Sources/macros'; |
| 5 | + |
| 6 | +const { DefaultDataType } = Constants; |
| 7 | + |
| 8 | +function getDataArrayProperties(dataArray) { |
| 9 | + return { |
| 10 | + size: dataArray.get().size, |
| 11 | + numberOfComponents: dataArray.get().numberOfComponents, |
| 12 | + dataType: dataArray.get().dataType, |
| 13 | + values: dataArray.get().values, |
| 14 | + }; |
| 15 | +} |
3 | 16 |
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4 | 17 | test('Test vtkDataArray instance', (t) => {
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5 | 18 | t.ok(vtkDataArray, 'Make sure the class definition exists');
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6 | 19 | const instance = vtkDataArray.newInstance({ size: 256 });
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7 | 20 | t.ok(instance);
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| 21 | + |
| 22 | + const dataArray1 = vtkDataArray.newInstance({ |
| 23 | + values: Uint32Array.from([1, 2, 3]), |
| 24 | + }); |
| 25 | + t.deepEqual( |
| 26 | + { |
| 27 | + dataType: 'Uint32Array', |
| 28 | + size: 3, |
| 29 | + numberOfComponents: 1, |
| 30 | + values: Uint32Array.from([1, 2, 3]), |
| 31 | + }, |
| 32 | + getDataArrayProperties(dataArray1), |
| 33 | + 'Create instance with values (typed array)' |
| 34 | + ); |
| 35 | + |
| 36 | + const dataArray2 = vtkDataArray.newInstance({}); |
| 37 | + t.deepEqual( |
| 38 | + { |
| 39 | + dataType: DefaultDataType, |
| 40 | + size: 0, |
| 41 | + numberOfComponents: 1, |
| 42 | + values: macro.newTypedArray(DefaultDataType), |
| 43 | + }, |
| 44 | + getDataArrayProperties(dataArray2), |
| 45 | + 'Create instance without values' |
| 46 | + ); |
| 47 | + |
| 48 | + const dataArray3 = vtkDataArray.newInstance({ |
| 49 | + values: [1, 2, 3], |
| 50 | + }); |
| 51 | + t.deepEqual( |
| 52 | + { |
| 53 | + dataType: DefaultDataType, |
| 54 | + size: 3, |
| 55 | + numberOfComponents: 1, |
| 56 | + values: macro.newTypedArrayFrom(DefaultDataType, [1, 2, 3]), |
| 57 | + }, |
| 58 | + getDataArrayProperties(dataArray3), |
| 59 | + 'Create instance with values (untyped array)' |
| 60 | + ); |
| 61 | + |
| 62 | + dataArray2.setData([4, 5, 6]); |
| 63 | + t.deepEqual( |
| 64 | + { |
| 65 | + dataType: DefaultDataType, |
| 66 | + size: 3, |
| 67 | + numberOfComponents: 1, |
| 68 | + values: macro.newTypedArrayFrom(DefaultDataType, [4, 5, 6]), |
| 69 | + }, |
| 70 | + getDataArrayProperties(dataArray2), |
| 71 | + 'Add values to empty instance (untyped array)' |
| 72 | + ); |
| 73 | + |
| 74 | + // Not supposed to call setData without parameters |
| 75 | + t.throws( |
| 76 | + () => dataArray2.setData(), |
| 77 | + 'Empty an instance (pass undefined array)' |
| 78 | + ); |
| 79 | + |
| 80 | + dataArray3.setData([]); |
| 81 | + t.deepEqual( |
| 82 | + { |
| 83 | + dataType: DefaultDataType, |
| 84 | + size: 0, |
| 85 | + numberOfComponents: 1, |
| 86 | + values: macro.newTypedArray(DefaultDataType), |
| 87 | + }, |
| 88 | + getDataArrayProperties(dataArray3), |
| 89 | + 'Empty an instance (pass [] array)' |
| 90 | + ); |
| 91 | + |
| 92 | + const dataArray4 = vtkDataArray.newInstance({ |
| 93 | + size: 3, |
| 94 | + }); |
| 95 | + t.deepEqual( |
| 96 | + { |
| 97 | + dataType: DefaultDataType, |
| 98 | + size: 3, |
| 99 | + numberOfComponents: 1, |
| 100 | + values: macro.newTypedArray(DefaultDataType, 3), |
| 101 | + }, |
| 102 | + getDataArrayProperties(dataArray4), |
| 103 | + 'Create instance giving only size = 3' |
| 104 | + ); |
| 105 | + |
| 106 | + t.throws( |
| 107 | + () => vtkDataArray.newInstance({ empty: false }), |
| 108 | + 'Create instance with empty false, no values' |
| 109 | + ); |
| 110 | + |
8 | 111 | t.end();
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9 | 112 | });
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10 | 113 |
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