| Index: test/codegen/expect/corelib/regexp/zero-length-alternatives_test.js | 
| diff --git a/test/codegen/expect/corelib/regexp/zero-length-alternatives_test.js b/test/codegen/expect/corelib/regexp/zero-length-alternatives_test.js | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..389710c75c6a30890fea6a34c9548f9845bee681 | 
| --- /dev/null | 
| +++ b/test/codegen/expect/corelib/regexp/zero-length-alternatives_test.js | 
| @@ -0,0 +1,280 @@ | 
| +dart_library.library('corelib/regexp/zero-length-alternatives_test', null, /* Imports */[ | 
| +  'dart_sdk', | 
| +  'expect' | 
| +], function load__zero$45length$45alternatives_test(exports, dart_sdk, expect) { | 
| +  'use strict'; | 
| +  const core = dart_sdk.core; | 
| +  const _interceptors = dart_sdk._interceptors; | 
| +  const dart = dart_sdk.dart; | 
| +  const dartx = dart_sdk.dartx; | 
| +  const expect$ = expect.expect; | 
| +  const zero$45length$45alternatives_test = Object.create(null); | 
| +  const v8_regexp_utils = Object.create(null); | 
| +  let JSArrayOfString = () => (JSArrayOfString = dart.constFn(_interceptors.JSArray$(core.String)))(); | 
| +  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.functionType(dart.void, [])))(); | 
| +  let ListOfString = () => (ListOfString = dart.constFn(core.List$(core.String)))(); | 
| +  let VoidTovoid$ = () => (VoidTovoid$ = dart.constFn(dart.definiteFunctionType(dart.void, [])))(); | 
| +  let dynamicAnddynamic__Tovoid = () => (dynamicAnddynamic__Tovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic, dart.dynamic], [core.String])))(); | 
| +  let dynamic__Tovoid = () => (dynamic__Tovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic], [core.String])))(); | 
| +  let dynamic__Tovoid$ = () => (dynamic__Tovoid$ = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic], [core.num])))(); | 
| +  let dynamicAnddynamicAndnumTovoid = () => (dynamicAnddynamicAndnumTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic, dart.dynamic, core.num])))(); | 
| +  let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))(); | 
| +  let StringAndRegExpToMatch = () => (StringAndRegExpToMatch = dart.constFn(dart.definiteFunctionType(core.Match, [core.String, core.RegExp])))(); | 
| +  let MatchToString = () => (MatchToString = dart.constFn(dart.definiteFunctionType(core.String, [core.Match])))(); | 
| +  let StringAndRegExpToListOfString = () => (StringAndRegExpToListOfString = dart.constFn(dart.definiteFunctionType(ListOfString(), [core.String, core.RegExp])))(); | 
| +  zero$45length$45alternatives_test.main = function() { | 
| +    v8_regexp_utils.description('Test regular expression processing with alternatives that match consuming no characters'); | 
| +    let emptyStr = ""; | 
| +    let s1 = "xxxx"; | 
| +    let s2 = "aaaa"; | 
| +    let s3 = "aax"; | 
| +    let s4 = "abab"; | 
| +    let s5 = "ab"; | 
| +    let s6 = "xabx"; | 
| +    let s7 = "g0"; | 
| +    let re1 = core.RegExp.new("(?:|a|z)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re1), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re1), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re1), JSArrayOfString().of(["aaaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re1), JSArrayOfString().of(["aa"])); | 
| +    let re2 = core.RegExp.new("(?:a||z)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re2), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re2), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re2), JSArrayOfString().of(["aaaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re2), JSArrayOfString().of(["aa"])); | 
| +    let re3 = core.RegExp.new("(?:a|z|)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re3), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re3), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re3), JSArrayOfString().of(["aaaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re3), JSArrayOfString().of(["aa"])); | 
| +    let re4 = core.RegExp.new("(|a|z)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re4), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re4), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re4), JSArrayOfString().of(["aaaa", "a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re4), JSArrayOfString().of(["aa", "a"])); | 
| +    let re5 = core.RegExp.new("(a||z)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re5), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re5), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re5), JSArrayOfString().of(["aaaa", "a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re5), JSArrayOfString().of(["aa", "a"])); | 
| +    let re6 = core.RegExp.new("(a|z|)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re6), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re6), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re6), JSArrayOfString().of(["aaaa", "a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re6), JSArrayOfString().of(["aa", "a"])); | 
| +    let re7 = core.RegExp.new("(?:|a|z){2,5}"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re7), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re7), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re7), JSArrayOfString().of(["aaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re7), JSArrayOfString().of(["aa"])); | 
| +    let re8 = core.RegExp.new("(?:a||z){2,5}"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re8), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re8), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re8), JSArrayOfString().of(["aaaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re8), JSArrayOfString().of(["aa"])); | 
| +    let re9 = core.RegExp.new("(?:a|z|){2,5}"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re9), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re9), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re9), JSArrayOfString().of(["aaaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re9), JSArrayOfString().of(["aa"])); | 
| +    let re10 = core.RegExp.new("(?:|a|z)*?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re10), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re10), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re10), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re10), JSArrayOfString().of([""])); | 
| +    let re11 = core.RegExp.new("(?:a||z)*?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re11), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re11), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re11), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re11), JSArrayOfString().of([""])); | 
| +    let re12 = core.RegExp.new("(?:a|z|)*?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re12), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re12), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re12), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re12), JSArrayOfString().of([""])); | 
| +    let re13 = core.RegExp.new("(|a|z)*?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re13), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re13), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re13), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re13), JSArrayOfString().of(["", null])); | 
| +    let re14 = core.RegExp.new("(a||z)*?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re14), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re14), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re14), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re14), JSArrayOfString().of(["", null])); | 
| +    let re15 = core.RegExp.new("(a|z|)*?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re15), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re15), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re15), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re15), JSArrayOfString().of(["", null])); | 
| +    let re16 = core.RegExp.new("(?:|a|z)?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re16), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re16), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re16), JSArrayOfString().of(["a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re16), JSArrayOfString().of(["a"])); | 
| +    let re17 = core.RegExp.new("(?:a||z)?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re17), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re17), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re17), JSArrayOfString().of(["a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re17), JSArrayOfString().of(["a"])); | 
| +    let re18 = core.RegExp.new("(?:a|z|)?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re18), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re18), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re18), JSArrayOfString().of(["a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re18), JSArrayOfString().of(["a"])); | 
| +    let re19 = core.RegExp.new("(|a|z)?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re19), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re19), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re19), JSArrayOfString().of(["a", "a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re19), JSArrayOfString().of(["a", "a"])); | 
| +    let re20 = core.RegExp.new("(a||z)?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re20), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re20), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re20), JSArrayOfString().of(["a", "a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re20), JSArrayOfString().of(["a", "a"])); | 
| +    let re21 = core.RegExp.new("(a|z|)?"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re21), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re21), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re21), JSArrayOfString().of(["a", "a"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re21), JSArrayOfString().of(["a", "a"])); | 
| +    let re22 = core.RegExp.new("(?:|a|z)??"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re22), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re22), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re22), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re22), JSArrayOfString().of([""])); | 
| +    let re23 = core.RegExp.new("(?:a||z)??"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re23), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re23), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re23), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re23), JSArrayOfString().of([""])); | 
| +    let re24 = core.RegExp.new("(?:a|z|)??"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re24), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re24), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re24), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re24), JSArrayOfString().of([""])); | 
| +    let re25 = core.RegExp.new("(|a|z)??"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re25), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re25), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re25), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re25), JSArrayOfString().of(["", null])); | 
| +    let re26 = core.RegExp.new("(a||z)??"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re26), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re26), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re26), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re26), JSArrayOfString().of(["", null])); | 
| +    let re27 = core.RegExp.new("(a|z|)??"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re27), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re27), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re27), JSArrayOfString().of(["", null])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re27), JSArrayOfString().of(["", null])); | 
| +    let re28 = core.RegExp.new("(?:|a|z)*x"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re28), null); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re28), JSArrayOfString().of(["x"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re28), null); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re28), JSArrayOfString().of(["aax"])); | 
| +    let re29 = core.RegExp.new("(?:a||z)*x"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re29), null); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re29), JSArrayOfString().of(["x"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re29), null); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re29), JSArrayOfString().of(["aax"])); | 
| +    let re30 = core.RegExp.new("(?:a|z|)*x"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re30), null); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re30), JSArrayOfString().of(["x"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re30), null); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re30), JSArrayOfString().of(["aax"])); | 
| +    let re31 = core.RegExp.new("(?:a*|b*)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re31), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re31), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re31), JSArrayOfString().of(["aa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s4, re31), JSArrayOfString().of(["abab"])); | 
| +    let re32 = core.RegExp.new("(?:a*?|b*?)*"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re32), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re32), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re32), JSArrayOfString().of(["aaaa"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s4, re32), JSArrayOfString().of(["abab"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s5, re32), JSArrayOfString().of(["ab"])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s6, re32), JSArrayOfString().of([""])); | 
| +    let re33 = core.RegExp.new("(?:(?:(?!))|g?|0*\\*?)+"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re33), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re33), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s7, re33), JSArrayOfString().of(["g0"])); | 
| +    let re34 = core.RegExp.new("(?:|a)"); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(emptyStr, re34), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s1, re34), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s2, re34), JSArrayOfString().of([""])); | 
| +    v8_regexp_utils.shouldBe(v8_regexp_utils.firstMatch(s3, re34), JSArrayOfString().of([""])); | 
| +  }; | 
| +  dart.fn(zero$45length$45alternatives_test.main, VoidTovoid$()); | 
| +  v8_regexp_utils.assertEquals = function(actual, expected, message) { | 
| +    if (message === void 0) message = null; | 
| +    expect$.Expect.equals(actual, expected, message); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.assertEquals, dynamicAnddynamic__Tovoid()); | 
| +  v8_regexp_utils.assertTrue = function(actual, message) { | 
| +    if (message === void 0) message = null; | 
| +    expect$.Expect.isTrue(actual, message); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.assertTrue, dynamic__Tovoid()); | 
| +  v8_regexp_utils.assertFalse = function(actual, message) { | 
| +    if (message === void 0) message = null; | 
| +    expect$.Expect.isFalse(actual, message); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.assertFalse, dynamic__Tovoid()); | 
| +  v8_regexp_utils.assertThrows = function(fn, testid) { | 
| +    if (testid === void 0) testid = null; | 
| +    expect$.Expect.throws(VoidTovoid()._check(fn), null, dart.str`Test ${testid}`); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.assertThrows, dynamic__Tovoid$()); | 
| +  v8_regexp_utils.assertNull = function(actual, testid) { | 
| +    if (testid === void 0) testid = null; | 
| +    expect$.Expect.isNull(actual, dart.str`Test ${testid}`); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.assertNull, dynamic__Tovoid$()); | 
| +  v8_regexp_utils.assertToStringEquals = function(str, match, testid) { | 
| +    let actual = []; | 
| +    for (let i = 0; i <= dart.notNull(core.num._check(dart.dload(match, 'groupCount'))); i++) { | 
| +      let g = dart.dsend(match, 'group', i); | 
| +      actual[dartx.add](g == null ? "" : g); | 
| +    } | 
| +    expect$.Expect.equals(str, actual[dartx.join](","), dart.str`Test ${testid}`); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.assertToStringEquals, dynamicAnddynamicAndnumTovoid()); | 
| +  v8_regexp_utils.shouldBeTrue = function(actual) { | 
| +    expect$.Expect.isTrue(actual); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.shouldBeTrue, dynamicTovoid()); | 
| +  v8_regexp_utils.shouldBeFalse = function(actual) { | 
| +    expect$.Expect.isFalse(actual); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.shouldBeFalse, dynamicTovoid()); | 
| +  v8_regexp_utils.shouldBeNull = function(actual) { | 
| +    expect$.Expect.isNull(actual); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.shouldBeNull, dynamicTovoid()); | 
| +  v8_regexp_utils.shouldBe = function(actual, expected, message) { | 
| +    if (message === void 0) message = null; | 
| +    if (expected == null) { | 
| +      expect$.Expect.isNull(actual, message); | 
| +    } else { | 
| +      expect$.Expect.equals(dart.dload(expected, 'length'), dart.dsend(dart.dload(actual, 'groupCount'), '+', 1)); | 
| +      for (let i = 0; i <= dart.notNull(core.num._check(dart.dload(actual, 'groupCount'))); i++) { | 
| +        expect$.Expect.equals(dart.dindex(expected, i), dart.dsend(actual, 'group', i), message); | 
| +      } | 
| +    } | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.shouldBe, dynamicAnddynamic__Tovoid()); | 
| +  v8_regexp_utils.firstMatch = function(str, pattern) { | 
| +    return pattern.firstMatch(str); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.firstMatch, StringAndRegExpToMatch()); | 
| +  v8_regexp_utils.allStringMatches = function(str, pattern) { | 
| +    return pattern.allMatches(str)[dartx.map](core.String)(dart.fn(m => m.group(0), MatchToString()))[dartx.toList](); | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.allStringMatches, StringAndRegExpToListOfString()); | 
| +  v8_regexp_utils.description = function(str) { | 
| +  }; | 
| +  dart.fn(v8_regexp_utils.description, dynamicTovoid()); | 
| +  // Exports: | 
| +  exports.zero$45length$45alternatives_test = zero$45length$45alternatives_test; | 
| +  exports.v8_regexp_utils = v8_regexp_utils; | 
| +}); | 
|  |