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Add buffer/bit functions and buffer/blit. Expose janet_gethalfrange

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in the C api for less duplicated range checking code.
This commit is contained in:
Calvin Rose
2019-01-09 13:25:51 -05:00
parent 115ed9cbb9
commit 16ebb11181
4 changed files with 151 additions and 24 deletions
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20
test/suite3.janet
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@@ -133,4 +133,24 @@
(assert-error "bxor check types" (bxor 1 ()))
(assert-error "bnot check types" (bnot ()))
# Buffer blitting
(def b (buffer/new-filled 100))
(buffer/bit-set b 100)
(buffer/bit-clear b 100)
(assert (zero? (sum b)) "buffer bit set and clear")
(buffer/bit-toggle b 101)
(assert (= 32 (sum b)) "buffer bit set and clear")
(def b2 @"hello world")
(buffer/blit b2 "joyto ")
(assert (= (string b2) "joyto world") "buffer/blit 1")
(buffer/blit b2 "joyto" 6)
(assert (= (string b2) "joyto joyto") "buffer/blit 2")
(buffer/blit b2 "abcdefg" 5 6)
(assert (= (string b2) "joytogjoyto") "buffer/blit 3")
(end-suite)