mirror of
https://github.com/janet-lang/janet
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182 lines
7.1 KiB
Plaintext
182 lines
7.1 KiB
Plaintext
# Copyright (c) 2023 Calvin Rose
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite)
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# Buffer blitting
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# 16ebb1118
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(def b (buffer/new-filled 100))
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(buffer/bit-set b 100)
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(buffer/bit-clear b 100)
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(assert (zero? (sum b)) "buffer bit set and clear")
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(assert (= false (buffer/bit b 101)) "bit get false")
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(buffer/bit-toggle b 101)
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(assert (= true (buffer/bit b 101)) "bit get true")
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(assert (= 32 (sum b)) "buffer bit set and clear")
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(assert-error "invalid bit index 1000" (buffer/bit-toggle b 1000))
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(def b2 @"hello world")
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(buffer/blit b2 "joyto ")
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(assert (= (string b2) "joyto world") "buffer/blit 1")
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(buffer/blit b2 "joyto" 6)
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(assert (= (string b2) "joyto joyto") "buffer/blit 2")
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(buffer/blit b2 "abcdefg" 5 6)
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(assert (= (string b2) "joytogjoyto") "buffer/blit 3")
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# buffer/push
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(assert (deep= (buffer/push @"AA" @"BB") @"AABB") "buffer/push buffer")
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(assert (deep= (buffer/push @"AA" 66 66) @"AABB") "buffer/push int")
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(def b @"AA")
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(assert (deep= (buffer/push b b) @"AAAA") "buffer/push buffer self")
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# buffer/push-byte
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(assert (deep= (buffer/push-byte @"AA" 66) @"AAB") "buffer/push-byte")
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(assert-error "bad slot #1, expected 32 bit signed integer" (buffer/push-byte @"AA" :flap))
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# Buffer push word
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# e755f9830
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(def b3 @"")
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(buffer/push-word b3 0xFF 0x11)
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(assert (= 8 (length b3)) "buffer/push-word 1")
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(assert (= "\xFF\0\0\0\x11\0\0\0" (string b3)) "buffer/push-word 2")
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(buffer/clear b3)
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(buffer/push-word b3 0xFFFFFFFF 0x1100)
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(assert (= 8 (length b3)) "buffer/push-word 3")
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(assert (= "\xFF\xFF\xFF\xFF\0\x11\0\0" (string b3)) "buffer/push-word 4")
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(assert-error "cannot convert 0.5 to machine word" (buffer/push-word @"" 0.5))
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# Buffer push string
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# 175925207
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(def b4 (buffer/new-filled 10 0))
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(buffer/push-string b4 b4)
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(assert (= "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" (string b4))
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"buffer/push-buffer 1")
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(def b5 @"123")
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(buffer/push-string b5 "456" @"789")
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(assert (= "123456789" (string b5)) "buffer/push-buffer 2")
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(def buffer-uint16-be @"")
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(buffer/push-uint16 buffer-uint16-be :be 0x0102)
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(assert (= "\x01\x02" (string buffer-uint16-be)) "buffer/push-uint16 big endian")
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(def buffer-uint16-le @"")
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(buffer/push-uint16 buffer-uint16-le :le 0x0102)
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(assert (= "\x02\x01" (string buffer-uint16-le)) "buffer/push-uint16 little endian")
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(def buffer-uint16-negative @"")
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(buffer/push-uint16 buffer-uint16-negative :be -1)
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(assert (= "\xff\xff" (string buffer-uint16-negative)) "buffer/push-uint16 negative")
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(def buffer-uint32-be @"")
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(buffer/push-uint32 buffer-uint32-be :be 0x01020304)
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(assert (= "\x01\x02\x03\x04" (string buffer-uint32-be)) "buffer/push-uint32 big endian")
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(def buffer-uint32-le @"")
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(buffer/push-uint32 buffer-uint32-le :le 0x01020304)
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(assert (= "\x04\x03\x02\x01" (string buffer-uint32-le)) "buffer/push-uint32 little endian")
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(def buffer-uint32-negative @"")
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(buffer/push-uint32 buffer-uint32-negative :be -1)
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(assert (= "\xff\xff\xff\xff" (string buffer-uint32-negative)) "buffer/push-uint32 negative")
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(def buffer-float32-be @"")
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(buffer/push-float32 buffer-float32-be :be 1.234)
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(assert (= "\x3f\x9d\xf3\xb6" (string buffer-float32-be)) "buffer/push-float32 big endian")
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(def buffer-float32-le @"")
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(buffer/push-float32 buffer-float32-le :le 1.234)
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(assert (= "\xb6\xf3\x9d\x3f" (string buffer-float32-le)) "buffer/push-float32 little endian")
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(def buffer-float64-be @"")
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(buffer/push-float64 buffer-float64-be :be 1.234)
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(assert (= "\x3f\xf3\xbe\x76\xc8\xb4\x39\x58" (string buffer-float64-be)) "buffer/push-float64 big endian")
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(def buffer-float64-le @"")
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(buffer/push-float64 buffer-float64-le :le 1.234)
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(assert (= "\x58\x39\xb4\xc8\x76\xbe\xf3\x3f" (string buffer-float64-le)) "buffer/push-float64 little endian")
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# Buffer from bytes
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(assert (deep= @"" (buffer/from-bytes)) "buffer/from-bytes 1")
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(assert (deep= @"ABC" (buffer/from-bytes 65 66 67)) "buffer/from-bytes 2")
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(assert (deep= @"0123456789" (buffer/from-bytes ;(range 48 58))) "buffer/from-bytes 3")
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(assert (= 0 (length (buffer/from-bytes))) "buffer/from-bytes 4")
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(assert (= 5 (length (buffer/from-bytes ;(range 5)))) "buffer/from-bytes 5")
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(assert-error "bad slot #1, expected 32 bit signed integer" (buffer/from-bytes :abc))
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# some tests for buffer/format
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# 029394d
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(assert (= (string (buffer/format @"" "pi = %6.3f" math/pi)) "pi = 3.142")
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"%6.3f")
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(assert (= (string (buffer/format @"" "pi = %+6.3f" math/pi)) "pi = +3.142")
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"%6.3f")
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(assert (= (string (buffer/format @"" "pi = %40.20g" math/pi))
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"pi = 3.141592653589793116") "%6.3f")
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(assert (= (string (buffer/format @"" "🐼 = %6.3f" math/pi)) "🐼 = 3.142")
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"UTF-8")
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(assert (= (string (buffer/format @"" "π = %.8g" math/pi)) "π = 3.1415927")
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"π")
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(assert (= (string (buffer/format @"" "\xCF\x80 = %.8g" math/pi))
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"\xCF\x80 = 3.1415927") "\xCF\x80")
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# Regression #301
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# a3d4ecddb
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(def b (buffer/new-filled 128 0x78))
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(assert (= 38 (length (buffer/blit @"" b -1 90))) "buffer/blit 1")
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(def a @"abcdefghijklm")
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(assert (deep= @"abcde" (buffer/blit @"" a -1 0 5)) "buffer/blit 2")
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(assert (deep= @"bcde" (buffer/blit @"" a -1 1 5)) "buffer/blit 3")
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(assert (deep= @"cde" (buffer/blit @"" a -1 2 5)) "buffer/blit 4")
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(assert (deep= @"de" (buffer/blit @"" a -1 3 5)) "buffer/blit 5")
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(assert (deep= @"de" (buffer/blit @"" a nil 3 5)) "buffer/blit 6")
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# buffer/push-at
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# c55d93512
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(assert (deep= @"abc456" (buffer/push-at @"abc123" 3 "456"))
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"buffer/push-at 1")
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(assert (deep= @"abc456789" (buffer/push-at @"abc123" 3 "456789"))
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"buffer/push-at 2")
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(assert (deep= @"abc423" (buffer/push-at @"abc123" 3 "4"))
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"buffer/push-at 3")
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# buffer/format-at
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(def start-buf (buffer/new-filled 100 (chr "x")))
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(buffer/format-at start-buf 50 "aa%dbb" 32)
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(assert (= (string start-buf) (string (string/repeat "x" 50) "aa32bb" (string/repeat "x" 44)))
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"buffer/format-at 1")
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(assert
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(deep=
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(buffer/format @"" "%j" [1 2 3 :a :b :c])
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(buffer/format-at @"" 0 "%j" [1 2 3 :a :b :c]))
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"buffer/format-at empty buffer")
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(def buf @"xxxyyy")
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(buffer/format-at buf -4 "xxx")
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(assert (= (string buf) "xxxxxx") "buffer/format-at negative index")
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(assert-error "expected index at to be in range [0, 0), got 1" (buffer/format-at @"" 1 "abc"))
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(end-suite)
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