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34 lines
1.3 KiB
JavaScript
34 lines
1.3 KiB
JavaScript
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/* eslint-env jest */
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import strokeWidthReducer from '../../src/reducers/stroke-width';
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import {MAX_STROKE_WIDTH, changeStrokeWidth} from '../../src/reducers/stroke-width';
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test('initialState', () => {
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let defaultState;
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expect(strokeWidthReducer(defaultState /* state */, {type: 'anything'} /* action */)).toBeDefined();
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expect(strokeWidthReducer(defaultState /* state */, {type: 'anything'} /* action */)).toBeGreaterThanOrEqual(0);
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});
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test('changestrokeWidth', () => {
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let defaultState;
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const newstrokeWidth = 234;
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expect(strokeWidthReducer(defaultState /* state */, changeStrokeWidth(newstrokeWidth) /* action */))
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.toEqual(newstrokeWidth);
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expect(strokeWidthReducer(1 /* state */, changeStrokeWidth(newstrokeWidth) /* action */))
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.toEqual(newstrokeWidth);
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expect(strokeWidthReducer(1 /* state */, changeStrokeWidth(-1) /* action */))
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.toEqual(0);
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expect(strokeWidthReducer(1 /* state */, changeStrokeWidth(453452352) /* action */))
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.toEqual(MAX_STROKE_WIDTH);
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});
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test('invalidChangestrokeWidth', () => {
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const origState = {strokeWidth: 1};
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expect(strokeWidthReducer(origState /* state */, changeStrokeWidth('invalid argument') /* action */))
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.toBe(origState);
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expect(strokeWidthReducer(origState /* state */, changeStrokeWidth() /* action */))
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.toBe(origState);
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});
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