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random.c: Random.bytes
* random.c (random_s_bytes): new method Random.bytes, which is equivalent to Random::DEFAULT.bytes. [Feature #4938] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62497 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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6
NEWS
6
NEWS
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@ -34,6 +34,12 @@ with all sufficient information, see the ChangeLog file or Redmine
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* Proc#call doesn't change $SAFE any more. [Feature #14250]
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* Random
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* New methods:
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* added Random.bytes. [Feature #4938]
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=== Stdlib updates (outstanding ones only)
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* Matrix
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14
random.c
14
random.c
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@ -1134,6 +1134,19 @@ rb_random_bytes(VALUE obj, long n)
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return genrand_bytes(rnd, n);
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}
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/*
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* call-seq: Random.bytes(size) -> a_string
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*
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* Returns a random binary string. The argument size specified the length of
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* the result string.
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*/
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static VALUE
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random_s_bytes(VALUE obj, VALUE len)
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{
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rb_random_t *rnd = rand_start(&default_rand);
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return genrand_bytes(rnd, NUM2LONG(rb_to_int(len)));
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}
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static VALUE
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range_values(VALUE vmax, VALUE *begp, VALUE *endp, int *exclp)
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{
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@ -1636,6 +1649,7 @@ InitVM_Random(void)
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rb_define_singleton_method(rb_cRandom, "srand", rb_f_srand, -1);
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rb_define_singleton_method(rb_cRandom, "rand", random_s_rand, -1);
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rb_define_singleton_method(rb_cRandom, "bytes", random_s_bytes, 1);
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rb_define_singleton_method(rb_cRandom, "new_seed", random_seed, 0);
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rb_define_singleton_method(rb_cRandom, "urandom", random_raw_seed, 1);
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rb_define_private_method(CLASS_OF(rb_cRandom), "state", random_s_state, 0);
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@ -347,10 +347,15 @@ END
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end
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def assert_random_bytes(r)
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srand(0)
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assert_equal("", r.bytes(0))
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assert_equal("\xAC".force_encoding("ASCII-8BIT"), r.bytes(1))
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assert_equal("/\xAA\xC4\x97u\xA6\x16\xB7\xC0\xCC".force_encoding("ASCII-8BIT"),
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r.bytes(10))
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assert_equal("", Random.bytes(0))
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x = "\xAC".force_encoding("ASCII-8BIT")
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assert_equal(x, r.bytes(1))
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assert_equal(x, Random.bytes(1))
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x = "/\xAA\xC4\x97u\xA6\x16\xB7\xC0\xCC".force_encoding("ASCII-8BIT")
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assert_equal(x, r.bytes(10))
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assert_equal(x, Random.bytes(10))
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end
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def test_random_range
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