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/*! * VisualEditor Range tests. * * @copyright See AUTHORS.txt */ QUnit.module( 've.Range' ); /* Tests */ QUnit.test( 'Basic usage (isCollapsed, isBackwards, getLength, equals, equalsSelection, containsOffset, containsRange, touchesRange)', ( assert ) => { let range = new ve.Range( 100, 200 ); assert.strictEqual( range.isCollapsed(), false, 'forwards range is not collapsed' ); assert.strictEqual( range.isBackwards(), false, 'forwards range is not backwards' ); assert.strictEqual( range.getLength(), 100, 'forwards range has length 100' ); assert.strictEqual( range.equals( new ve.Range( 100, 200 ) ), true, 'equals matches identical range' ); assert.strictEqual( range.equals( new ve.Range( 200, 100 ) ), false, 'equals doesn\'t match reverse range' ); assert.strictEqual( range.equalsSelection( new ve.Range( 200, 100 ) ), true, 'equalsSelection matches reverse range' ); assert.strictEqual( range.containsOffset( 99 ), false, 'doesn\'t contain 99' ); assert.strictEqual( range.containsOffset( 100 ), true, 'contains 100' ); assert.strictEqual( range.containsOffset( 199 ), true, 'contains 199' ); assert.strictEqual( range.containsOffset( 200 ), false, 'doesn\'t contain 200' ); assert.strictEqual( range.containsRange( new ve.Range( 99, 100 ) ), false, 'doesn\'t contain 99, 100' ); assert.strictEqual( range.containsRange( new ve.Range( 100, 199 ) ), true, 'contains 101, 199' ); assert.strictEqual( range.containsRange( range ), true, 'contains itself' ); assert.strictEqual( range.containsRange( new ve.Range( 100, 201 ) ), false, 'doesn\'t contain 100, 201' ); range = new ve.Range( 200, 100 ); assert.strictEqual( range.isCollapsed(), false, 'backwards range is not collapsed' ); assert.strictEqual( range.isBackwards(), true, 'backwards range is backwards' ); assert.strictEqual( range.getLength(), 100, 'backwards range has length 100' ); assert.strictEqual( range.containsOffset( 99 ), false, 'doesn\'t contain 99' ); assert.strictEqual( range.containsOffset( 100 ), true, 'contains 100' ); assert.strictEqual( range.containsOffset( 199 ), true, 'contains 199' ); assert.strictEqual( range.containsOffset( 200 ), false, 'doesn\'t contain 200' ); assert.strictEqual( range.containsRange( new ve.Range( 99, 100 ) ), false, 'doesn\'t contain 99, 100' ); assert.strictEqual( range.containsRange( new ve.Range( 100, 199 ) ), true, 'contains 101, 199' ); assert.strictEqual( range.containsRange( range ), true, 'contains itself' ); assert.strictEqual( range.containsRange( new ve.Range( 100, 201 ) ), false, 'doesn\'t contain 100, 201' ); assert.strictEqual( range.touchesRange( new ve.Range( 98, 99 ) ), false, 'doesn\'t touch 98, 99' ); assert.strictEqual( range.touchesRange( new ve.Range( 203, 201 ) ), false, 'doesn\'t touch 203, 201' ); assert.strictEqual( range.touchesRange( new ve.Range( 98, 100 ) ), true, 'touches 98, 100' ); assert.strictEqual( range.touchesRange( new ve.Range( 200, 201 ) ), true, 'touches 200, 201' ); assert.strictEqual( range.touchesRange( new ve.Range( 150, 98 ) ), true, 'touches 150, 98' ); assert.strictEqual( range.touchesRange( new ve.Range( 0, 300 ) ), true, 'touches 0, 300' ); assert.strictEqual( range.touchesRange( range ), true, 'returns true when passed itself' ); assert.strictEqual( range.overlapsRange( new ve.Range( 99, 100 ) ), false, 'doesn\'t overlap 99, 100' ); assert.strictEqual( range.overlapsRange( new ve.Range( 202, 200 ) ), false, 'doesn\'t overlap 202, 200' ); assert.strictEqual( range.overlapsRange( new ve.Range( 99, 101 ) ), true, 'overlaps 99, 101' ); assert.strictEqual( range.overlapsRange( new ve.Range( 199, 201 ) ), true, 'overlaps 199, 201' ); assert.strictEqual( range.overlapsRange( new ve.Range( 150, 98 ) ), true, 'overlaps 150, 98' ); assert.strictEqual( range.overlapsRange( new ve.Range( 0, 300 ) ), true, 'overlaps 0, 300' ); assert.strictEqual( range.overlapsRange( range ), true, 'returns true when passed itself' ); range = new ve.Range( 100 ); assert.strictEqual( range.isCollapsed(), true, 'collapsed range is collapsed' ); assert.strictEqual( range.isBackwards(), false, 'collapsed range is not backwards' ); assert.strictEqual( range.getLength(), 0, 'collapsed range has zero length' ); } ); QUnit.test( 'Modification (flip, truncate, expand, translate)', ( assert ) => { const range = new ve.Range( 100, 200 ); assert.equalRange( range.flip(), new ve.Range( 200, 100 ), 'flip reverses the range' ); assert.equalRange( range.flip().flip(), range, 'double flip does nothing' ); assert.equalRange( range.truncate( 50 ), new ve.Range( 100, 150 ), 'truncate 50' ); assert.equalRange( range.truncate( 150 ), range, 'truncate 150 does nothing' ); assert.equalRange( range.truncate( -50 ), new ve.Range( 150, 200 ), 'truncate -50' ); assert.equalRange( range.truncate( -150 ), range, 'truncate -150 does nothing' ); assert.equalRange( range.expand( new ve.Range( 150, 250 ) ), new ve.Range( 100, 250 ), 'overlapping expand to right' ); assert.equalRange( range.expand( new ve.Range( 250 ) ), new ve.Range( 100, 250 ), 'non-overlapping expand to right' ); assert.equalRange( range.expand( new ve.Range( 250, 150 ) ), new ve.Range( 100, 250 ), 'backwards overlapping expand to right' ); assert.equalRange( range.expand( new ve.Range( 50, 150 ) ), new ve.Range( 50, 200 ), 'overlapping expand to left' ); assert.equalRange( range.expand( new ve.Range( 50 ) ), new ve.Range( 50, 200 ), 'non-overlapping expand to left' ); assert.equalRange( range.expand( new ve.Range( 150, 50 ) ), new ve.Range( 50, 200 ), 'backwards overlapping expand to left' ); assert.equalRange( range.translate( 10 ), new ve.Range( 110, 210 ), 'translate 10' ); assert.equalRange( range.translate( -10 ), new ve.Range( 90, 190 ), 'translate -10' ); assert.strictEqual( range.flip().expand( new ve.Range( 250 ) ).isBackwards(), true, 'expands preserves backwards' ); } ); QUnit.test( 'Factory methods & serialization (newCoveringRange, newFromJSON, toJSON)', ( assert ) => { const range = new ve.Range( 100, 200 ); assert.equalRange( ve.Range.static.newCoveringRange( [ range, new ve.Range( 150, 250 ) ] ), new ve.Range( 100, 250 ), 'covering range' ); assert.equalRange( ve.Range.static.newCoveringRange( [ range, new ve.Range( 150, 250 ) ], true ), new ve.Range( 250, 100 ), 'backwards covering range' ); assert.throws( () => { ve.Range.static.newCoveringRange( [], true ); }, Error, 'throws an exception when providing an empty array of ranges' ); assert.deepEqual( range.toJSON(), { type: 'range', from: 100, to: 200 }, 'toJSON' ); assert.deepEqual( range.flip().toJSON(), { type: 'range', from: 200, to: 100 }, 'backwards toJSON' ); assert.equalRange( ve.Range.static.newFromJSON( JSON.stringify( range.toJSON() ) ), range, 'newFromJSON' ); assert.equalRange( ve.Range.static.newFromJSON( JSON.stringify( range.flip().toJSON() ) ), range.flip(), 'backwards newFromJSON' ); } ); // TODO: newFromHash
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