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-rw-r--r--lib/stdlib/src/erl_scan.erl1
-rw-r--r--lib/stdlib/test/erl_scan_SUITE.erl13
2 files changed, 12 insertions, 2 deletions
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 3651f608bc..d988a4d8c7 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -338,6 +338,7 @@ string_thing(_) -> "string".
-define(DIGIT(C), C >= $0, C =< $9).
-define(CHAR(C), is_integer(C), C >= 0).
-define(UNICODE(C),
+ is_integer(C) andalso
(C >= 0 andalso C < 16#D800 orelse
C > 16#DFFF andalso C < 16#FFFE orelse
C > 16#FFFF andalso C =< 16#10FFFF)).
diff --git a/lib/stdlib/test/erl_scan_SUITE.erl b/lib/stdlib/test/erl_scan_SUITE.erl
index ecd181e87c..7e33166c6a 100644
--- a/lib/stdlib/test/erl_scan_SUITE.erl
+++ b/lib/stdlib/test/erl_scan_SUITE.erl
@@ -21,7 +21,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
--export([ error_1/1, error_2/1, iso88591/1, otp_7810/1, otp_10302/1]).
+-export([ error_1/1, error_2/1, iso88591/1, otp_7810/1, otp_10302/1,
+ otp_10990/1]).
-import(lists, [nth/2,flatten/1]).
-import(io_lib, [print/1]).
@@ -60,7 +61,7 @@ end_per_testcase(_Case, Config) ->
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [{group, error}, iso88591, otp_7810, otp_10302].
+ [{group, error}, iso88591, otp_7810, otp_10302, otp_10990].
groups() ->
[{error, [], [error_1, error_2]}].
@@ -1121,6 +1122,14 @@ otp_10302(Config) when is_list(Config) ->
erl_parse:abstract("a"++[1024]++"c", [{encoding,latin1}]),
ok.
+otp_10990(doc) ->
+ "OTP-10990. Floating point number in input string.";
+otp_10990(suite) ->
+ [];
+otp_10990(Config) when is_list(Config) ->
+ {'EXIT',_} = (catch {foo, erl_scan:string([$",42.0,$"],1)}),
+ ok.
+
test_string(String, Expected) ->
{ok, Expected, _End} = erl_scan:string(String),
test(String).