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- /* global chai */
- /**
- * Add chai assertion for comparing CodeMirror Pos objects.
- * A deep comparison will fail because CodeMirror inserts additional properties
- * that we want to ignore.
- */
- chai.Assertion.addMethod('equalPos', function(expectedPos) {
- const { line: actualLine, ch: actualCh } = this._obj
- const { line: expectedLine, ch: expectedCh } = expectedPos
- this.assert(
- actualLine === expectedLine && actualCh === expectedCh,
- `expected #{exp} to equal #{act}`,
- `expected #{exp} to not equal #{act}`,
- `Pos({ line: ${expectedLine}, ch: ${expectedCh} })`,
- `Pos({ line: ${actualLine}, ch: ${actualCh} })`
- )
- })
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