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Don't allow trailing non-number characters when parsing a string to a number.

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This commit is contained in:
Bob Nystrom
2015-02-25 07:07:54 -08:00
parent 4b88292ec1
commit fc2ed6f6e1
2 changed files with 14 additions and 5 deletions
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test/number/from_string.wren
+2 -1
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@@ -4,10 +4,11 @@ IO.print(Num.fromString("-0") == -0) // expect: true
IO.print(Num.fromString("12.34") == 12.34) // expect: true
IO.print(Num.fromString("-0.0001") == -0.0001) // expect: true
IO.print(Num.fromString(" 12 ") == 12) // expect: true
IO.print(Num.fromString("1.2prefix") == 1.2) // expect: true
// Test some non-number literals and ensure they return null.
IO.print(Num.fromString("test1") == null) // expect: true
IO.print(Num.fromString("") == null) // expect: true
IO.print(Num.fromString("prefix1.2") == null) // expect: true
IO.print(Num.fromString("1.2suffix") == null) // expect: true
// TODO: Parse hex and scientific numbers.