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-rw-r--r--lib/stdlib/test/base64_SUITE.erl86
1 files changed, 76 insertions, 10 deletions
diff --git a/lib/stdlib/test/base64_SUITE.erl b/lib/stdlib/test/base64_SUITE.erl
index 44742063b3..3790e7d4c0 100644
--- a/lib/stdlib/test/base64_SUITE.erl
+++ b/lib/stdlib/test/base64_SUITE.erl
@@ -29,7 +29,7 @@
%% Test cases must be exported.
-export([base64_encode/1, base64_decode/1, base64_otp_5635/1,
base64_otp_6279/1, big/1, illegal/1, mime_decode/1,
- roundtrip/1]).
+ mime_decode_to_string/1, roundtrip/1]).
init_per_testcase(_, Config) ->
Dog = test_server:timetrap(?t:minutes(2)),
@@ -50,7 +50,7 @@ all(doc) ->
all(suite) ->
[base64_encode, base64_decode, base64_otp_5635,
base64_otp_6279, big, illegal, mime_decode,
- roundtrip].
+ mime_decode_to_string, roundtrip].
%%-------------------------------------------------------------------------
@@ -59,7 +59,7 @@ base64_encode(doc) ->
base64_encode(suite) ->
[];
base64_encode(Config) when is_list(Config) ->
- %% Two pads
+ %% Two pads
<<"QWxhZGRpbjpvcGVuIHNlc2FtZQ==">> =
base64:encode("Aladdin:open sesame"),
%% One pad
@@ -77,8 +77,8 @@ base64_decode(doc) ->
base64_decode(suite) ->
[];
base64_decode(Config) when is_list(Config) ->
- %% Two pads
- <<"Aladdin:open sesame">> =
+ %% Two pads
+ <<"Aladdin:open sesame">> =
base64:decode("QWxhZGRpbjpvcGVuIHNlc2FtZQ=="),
%% One pad
<<"Hello World">> = base64:decode(<<"SGVsbG8gV29ybGQ=">>),
@@ -138,20 +138,85 @@ illegal(Config) when is_list(Config) ->
{'EXIT',{function_clause, _}} = (catch base64:decode("()")),
ok.
%%-------------------------------------------------------------------------
+%% mime_decode and mime_decode_to_string have different implementations
+%% so test both with the same input separately. Both functions have
+%% the same implementation for binary/string arguments.
mime_decode(doc) ->
["Test base64:mime_decode/1."];
mime_decode(suite) ->
[];
mime_decode(Config) when is_list(Config) ->
- %% Two pads
- <<"Aladdin:open sesame">> =
+ %% Test correct padding
+ <<"one">> = base64:mime_decode(<<"b25l">>),
+ <<"on">> = base64:mime_decode(<<"b24=">>),
+ <<"o">> = base64:mime_decode(<<"bw==">>),
+ %% Test 1 extra padding
+ <<"one">> = base64:mime_decode(<<"b25l= =">>),
+ <<"on">> = base64:mime_decode(<<"b24== =">>),
+ <<"o">> = base64:mime_decode(<<"bw=== =">>),
+ %% Test 2 extra padding
+ <<"one">> = base64:mime_decode(<<"b25l===">>),
+ <<"on">> = base64:mime_decode(<<"b24====">>),
+ <<"o">> = base64:mime_decode(<<"bw=====">>),
+ %% Test misc embedded padding
+ <<"one">> = base64:mime_decode(<<"b2=5l===">>),
+ <<"on">> = base64:mime_decode(<<"b=24====">>),
+ <<"o">> = base64:mime_decode(<<"b=w=====">>),
+ %% Test misc white space and illegals with embedded padding
+ <<"one">> = base64:mime_decode(<<" b~2=\r\n5()l===">>),
+ <<"on">> = base64:mime_decode(<<"\tb =2\"�4=�= ==">>),
+ <<"o">> = base64:mime_decode(<<"\nb=w=====">>),
+ %% Two pads
+ <<"Aladdin:open sesame">> =
base64:mime_decode("QWxhZGRpbjpvc()GVuIHNlc2FtZQ=="),
- %% One pad, followed by ignored text
- <<"Hello World">> = base64:mime_decode(<<"SGVsb)(G8gV29ybGQ=apa">>),
+ %% One pad to ignore, followed by more text
+ <<"Hello World!!">> = base64:mime_decode(<<"SGVsb)(G8gV29ybGQ=h IQ= =">>),
+ %% No pad
+ <<"Aladdin:open sesam">> =
+ base64:mime_decode("QWxhZGRpbjpvcG�\")(VuIHNlc2Ft"),
+ %% Encoded base 64 strings may be divided by non base 64 chars.
+ %% In this cases whitespaces.
+ <<"0123456789!@#0^&*();:<>,. []{}">> =
+ base64:mime_decode(
+ <<"MDEy MzQ1Njc4 \tOSFAIzBeJ \nio)(oKTs6 PD4sLi \r\nBbXXt9">>),
+ ok.
+
+%%-------------------------------------------------------------------------
+
+%% Repeat of mime_decode() tests
+mime_decode_to_string(doc) ->
+ ["Test base64:mime_decode_to_string/1."];
+mime_decode_to_string(suite) ->
+ [];
+mime_decode_to_string(Config) when is_list(Config) ->
+ %% Test correct padding
+ "one" = base64:mime_decode_to_string(<<"b25l">>),
+ "on" = base64:mime_decode_to_string(<<"b24=">>),
+ "o" = base64:mime_decode_to_string(<<"bw==">>),
+ %% Test 1 extra padding
+ "one" = base64:mime_decode_to_string(<<"b25l= =">>),
+ "on" = base64:mime_decode_to_string(<<"b24== =">>),
+ "o" = base64:mime_decode_to_string(<<"bw=== =">>),
+ %% Test 2 extra padding
+ "one" = base64:mime_decode_to_string(<<"b25l===">>),
+ "on" = base64:mime_decode_to_string(<<"b24====">>),
+ "o" = base64:mime_decode_to_string(<<"bw=====">>),
+ %% Test misc embedded padding
+ "one" = base64:mime_decode_to_string(<<"b2=5l===">>),
+ "on" = base64:mime_decode_to_string(<<"b=24====">>),
+ "o" = base64:mime_decode_to_string(<<"b=w=====">>),
+ %% Test misc white space and illegals with embedded padding
+ "one" = base64:mime_decode_to_string(<<" b~2=\r\n5()l===">>),
+ "on" = base64:mime_decode_to_string(<<"\tb =2\"�4=�= ==">>),
+ "o" = base64:mime_decode_to_string(<<"\nb=w=====">>),
+ %% Two pads
+ "Aladdin:open sesame" =
+ base64:mime_decode_to_string("QWxhZGRpbjpvc()GVuIHNlc2FtZQ=="),
+ %% One pad to ignore, followed by more text
+ "Hello World!!" = base64:mime_decode_to_string(<<"SGVsb)(G8gV29ybGQ=h IQ= =">>),
%% No pad
"Aladdin:open sesam" =
base64:mime_decode_to_string("QWxhZGRpbjpvcG�\")(VuIHNlc2Ft"),
-
%% Encoded base 64 strings may be divided by non base 64 chars.
%% In this cases whitespaces.
"0123456789!@#0^&*();:<>,. []{}" =
@@ -159,6 +224,7 @@ mime_decode(Config) when is_list(Config) ->
<<"MDEy MzQ1Njc4 \tOSFAIzBeJ \nio)(oKTs6 PD4sLi \r\nBbXXt9">>),
ok.
+%%-------------------------------------------------------------------------
roundtrip(Config) when is_list(Config) ->
Sizes = lists:seq(1, 255) ++ lists:seq(2400-5, 2440),