aboutsummaryrefslogtreecommitdiff
path: root/test/unit/rbuffer_spec.lua
diff options
context:
space:
mode:
Diffstat (limited to 'test/unit/rbuffer_spec.lua')
-rw-r--r--test/unit/rbuffer_spec.lua100
1 files changed, 34 insertions, 66 deletions
diff --git a/test/unit/rbuffer_spec.lua b/test/unit/rbuffer_spec.lua
index 89136410d3..e9104dd5c4 100644
--- a/test/unit/rbuffer_spec.lua
+++ b/test/unit/rbuffer_spec.lua
@@ -1,9 +1,11 @@
-local helpers = require("test.unit.helpers")
+local helpers = require("test.unit.helpers")(after_each)
+local itp = helpers.gen_itp(it)
-local ffi = helpers.ffi
-local eq = helpers.eq
-local cstr = helpers.cstr
+local eq = helpers.eq
+local ffi = helpers.ffi
+local cstr = helpers.cstr
local to_cstr = helpers.to_cstr
+local child_call_once = helpers.child_call_once
local rbuffer = helpers.cimport("./test/unit/fixtures/rbuffer.h")
@@ -31,9 +33,11 @@ describe('rbuffer functions', function()
end
before_each(function()
- rbuf = ffi.gc(rbuffer.rbuffer_new(capacity), rbuffer.rbuffer_free)
- -- fill the internal buffer with the character '0' to simplify inspecting
- ffi.C.memset(rbuf.start_ptr, string.byte('0'), capacity)
+ child_call_once(function()
+ rbuf = ffi.gc(rbuffer.rbuffer_new(capacity), rbuffer.rbuffer_free)
+ -- fill the internal buffer with the character '0' to simplify inspecting
+ ffi.C.memset(rbuf.start_ptr, string.byte('0'), capacity)
+ end)
end)
describe('RBUFFER_UNTIL_FULL', function()
@@ -50,66 +54,51 @@ describe('rbuffer functions', function()
end)
describe('with empty buffer in one contiguous chunk', function()
- it('is called once with the empty chunk', function()
+ itp('is called once with the empty chunk', function()
collect_write_chunks()
eq({'0000000000000000'}, chunks)
end)
end)
describe('with partially empty buffer in one contiguous chunk', function()
- before_each(function()
+ itp('is called once with the empty chunk', function()
write('string')
- end)
-
- it('is called once with the empty chunk', function()
collect_write_chunks()
eq({'0000000000'}, chunks)
end)
end)
describe('with filled buffer in one contiguous chunk', function()
- before_each(function()
+ itp('is not called', function()
write('abcdefghijklmnopq')
- end)
-
- it('is not called', function()
collect_write_chunks()
eq({}, chunks)
end)
end)
describe('with buffer partially empty in two contiguous chunks', function()
- before_each(function()
+ itp('is called twice with each filled chunk', function()
write('1234567890')
read(8)
- end)
-
- it('is called twice with each filled chunk', function()
collect_write_chunks()
eq({'000000', '12345678'}, chunks)
end)
end)
describe('with buffer empty in two contiguous chunks', function()
- before_each(function()
+ itp('is called twice with each filled chunk', function()
write('12345678')
read(8)
- end)
-
- it('is called twice with each filled chunk', function()
collect_write_chunks()
eq({'00000000', '12345678'}, chunks)
end)
end)
describe('with buffer filled in two contiguous chunks', function()
- before_each(function()
+ itp('is not called', function()
write('12345678')
read(8)
write('abcdefghijklmnopq')
- end)
-
- it('is not called', function()
collect_write_chunks()
eq({}, chunks)
end)
@@ -130,55 +119,43 @@ describe('rbuffer functions', function()
end)
describe('with empty buffer', function()
- it('is not called', function()
+ itp('is not called', function()
collect_read_chunks()
eq({}, chunks)
end)
end)
describe('with partially filled buffer in one contiguous chunk', function()
- before_each(function()
+ itp('is called once with the filled chunk', function()
write('string')
- end)
-
- it('is called once with the filled chunk', function()
collect_read_chunks()
eq({'string'}, chunks)
end)
end)
describe('with filled buffer in one contiguous chunk', function()
- before_each(function()
+ itp('is called once with the filled chunk', function()
write('abcdefghijklmnopq')
- end)
-
- it('is called once with the filled chunk', function()
collect_read_chunks()
eq({'abcdefghijklmnop'}, chunks)
end)
end)
describe('with buffer partially filled in two contiguous chunks', function()
- before_each(function()
+ itp('is called twice with each filled chunk', function()
write('1234567890')
read(10)
write('long string')
- end)
-
- it('is called twice with each filled chunk', function()
collect_read_chunks()
eq({'long s', 'tring'}, chunks)
end)
end)
describe('with buffer filled in two contiguous chunks', function()
- before_each(function()
+ itp('is called twice with each filled chunk', function()
write('12345678')
read(8)
write('abcdefghijklmnopq')
- end)
-
- it('is called twice with each filled chunk', function()
collect_read_chunks()
eq({'abcdefgh', 'ijklmnop'}, chunks)
end)
@@ -198,20 +175,17 @@ describe('rbuffer functions', function()
end)
describe('with empty buffer', function()
- it('is not called', function()
+ itp('is not called', function()
collect_chars()
eq({}, chars)
end)
end)
describe('with buffer filled in two contiguous chunks', function()
- before_each(function()
+ itp('collects each character and index', function()
write('1234567890')
read(10)
write('long string')
- end)
-
- it('collects each character and index', function()
collect_chars()
eq({{'l', 0}, {'o', 1}, {'n', 2}, {'g', 3}, {' ', 4}, {'s', 5},
{'t', 6}, {'r', 7}, {'i', 8}, {'n', 9}, {'g', 10}}, chars)
@@ -232,20 +206,17 @@ describe('rbuffer functions', function()
end)
describe('with empty buffer', function()
- it('is not called', function()
+ itp('is not called', function()
collect_chars()
eq({}, chars)
end)
end)
describe('with buffer filled in two contiguous chunks', function()
- before_each(function()
+ itp('collects each character and index', function()
write('1234567890')
read(10)
write('long string')
- end)
-
- it('collects each character and index', function()
collect_chars()
eq({{'g', 10}, {'n', 9}, {'i', 8}, {'r', 7}, {'t', 6}, {'s', 5},
{' ', 4}, {'g', 3}, {'n', 2}, {'o', 1}, {'l', 0}}, chars)
@@ -264,13 +235,10 @@ describe('rbuffer functions', function()
end
describe('with buffer filled in two contiguous chunks', function()
- before_each(function()
+ itp('compares the common longest sequence', function()
write('1234567890')
read(10)
write('long string')
- end)
-
- it('compares the common longest sequence', function()
eq(0, cmp('long string'))
eq(0, cmp('long strin'))
eq(-1, cmp('long striM'))
@@ -282,31 +250,31 @@ describe('rbuffer functions', function()
end)
describe('with empty buffer', function()
- it('returns 0 since no characters are compared', function()
+ itp('returns 0 since no characters are compared', function()
eq(0, cmp(''))
end)
end)
end)
describe('rbuffer_write', function()
- it('fills the internal buffer and returns the write count', function()
+ itp('fills the internal buffer and returns the write count', function()
eq(12, write('short string'))
eq('short string0000', inspect())
end)
- it('wont write beyond capacity', function()
+ itp('wont write beyond capacity', function()
eq(16, write('very very long string'))
eq('very very long s', inspect())
end)
end)
describe('rbuffer_read', function()
- it('reads what was previously written', function()
+ itp('reads what was previously written', function()
write('to read')
eq('to read', read(20))
end)
- it('reads nothing if the buffer is empty', function()
+ itp('reads nothing if the buffer is empty', function()
eq('', read(20))
write('empty')
eq('empty', read(20))
@@ -315,7 +283,7 @@ describe('rbuffer functions', function()
end)
describe('rbuffer_get', function()
- it('fetch the pointer at offset, wrapping if required', function()
+ itp('fetch the pointer at offset, wrapping if required', function()
write('1234567890')
read(10)
write('long string')
@@ -334,7 +302,7 @@ describe('rbuffer functions', function()
end)
describe('wrapping behavior', function()
- it('writing/reading wraps across the end of the internal buffer', function()
+ itp('writing/reading wraps across the end of the internal buffer', function()
write('1234567890')
eq('1234', read(4))
eq('5678', read(4))