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51 lines
1.7 KiB
CoffeeScript
51 lines
1.7 KiB
CoffeeScript
return if global.testingBrowser
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sourcemap = require '../src/sourcemap'
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vlqEncodedValues = [
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[1, "C"],
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[-1, "D"],
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[2, "E"],
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[-2, "F"],
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[0, "A"],
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[16, "gB"],
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[948, "o7B"]
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]
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test "vlqEncodeValue tests", ->
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for pair in vlqEncodedValues
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eq (sourcemap.vlqEncodeValue pair[0]), pair[1]
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test "vlqDecodeValue tests", ->
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for pair in vlqEncodedValues
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arrayEq (sourcemap.vlqDecodeValue pair[1]), [pair[0], pair[1].length]
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test "vlqDecodeValue with offset", ->
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for pair in vlqEncodedValues
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# Try with an offset, and some cruft at the end.
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arrayEq (sourcemap.vlqDecodeValue ("abc" + pair[1] + "efg"), 3), [pair[0], pair[1].length]
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eqJson = (a, b) ->
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eq (JSON.stringify JSON.parse a), (JSON.stringify JSON.parse b)
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test "SourceMap tests", ->
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map = new sourcemap.SourceMap()
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map.addMapping [0, 0], [0, 0]
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map.addMapping [1, 5], [2, 4]
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map.addMapping [1, 6], [2, 7]
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map.addMapping [1, 9], [2, 8]
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map.addMapping [3, 0], [3, 4]
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testWithFilenames = sourcemap.generateV3SourceMap map, {
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sourceRoot: "",
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sourceFiles: ["source.coffee"],
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generatedFile: "source.js"}
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eqJson testWithFilenames, '{"version":3,"file":"source.js","sourceRoot":"","sources":["source.coffee"],"names":[],"mappings":"AAAA;;IACK,GAAC,CAAG;IAET"}'
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eqJson (sourcemap.generateV3SourceMap map), '{"version":3,"file":"","sourceRoot":"","sources":[""],"names":[],"mappings":"AAAA;;IACK,GAAC,CAAG;IAET"}'
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# Look up a generated column - should get back the original source position.
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arrayEq map.getSourcePosition([2,8]), [1,9]
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# Look up a point futher along on the same line - should get back the same source position.
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arrayEq map.getSourcePosition([2,10]), [1,9]
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