Software / code / prosody
Annotate
spec/util_dbuffer_spec.lua @ 12777:4d5549de27e6
util.jsonpointer: Improve tests
Result of mutation testing
Remaining mutants are mostly relating to the math.type() fallback.
Another case being that array[#array+1] == array[#array+2] and thus
doesn't matter.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Wed, 19 Oct 2022 14:21:13 +0200 |
| parent | 12764:bf6d2f9fad4d |
| rev | line source |
|---|---|
| 11105 | 1 local dbuffer = require "util.dbuffer"; |
| 2 describe("util.dbuffer", function () | |
| 3 describe("#new", function () | |
| 4 it("has a constructor", function () | |
| 5 assert.Function(dbuffer.new); | |
| 6 end); | |
| 7 it("can be created", function () | |
| 8 assert.truthy(dbuffer.new()); | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
9 assert.truthy(dbuffer.new(1)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
10 assert.truthy(dbuffer.new(1024)); |
| 11105 | 11 end); |
| 12 it("won't create an empty buffer", function () | |
| 13 assert.falsy(dbuffer.new(0)); | |
| 14 end); | |
| 15 it("won't create a negatively sized buffer", function () | |
| 16 assert.falsy(dbuffer.new(-1)); | |
| 17 end); | |
| 18 end); | |
| 19 describe(":write", function () | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
20 local b = dbuffer.new(10, 3); |
| 11105 | 21 it("works", function () |
| 22 assert.truthy(b:write("hi")); | |
| 23 end); | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
24 it("fails when the buffer is full", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
25 local ret = b:write(" there world, this is a long piece of data"); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
26 assert.is_falsy(ret); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
27 end); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
28 it("works when max_chunks is reached", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
29 -- Chunks are an optimization, dbuffer should collapse chunks when needed |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
30 for _ = 1, 8 do |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
31 assert.truthy(b:write("!")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
32 end |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
33 assert.falsy(b:write("!")); -- Length reached |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
34 end); |
| 11105 | 35 end); |
| 36 | |
| 37 describe(":read", function () | |
| 38 it("supports optional bytes parameter", function () | |
| 39 -- should return the frontmost chunk | |
| 40 local b = dbuffer.new(); | |
| 41 assert.truthy(b:write("hello")); | |
| 42 assert.truthy(b:write(" ")); | |
| 43 assert.truthy(b:write("world")); | |
| 44 assert.equal("h", b:read(1)); | |
| 45 | |
| 46 assert.equal("ello", b:read()); | |
| 47 assert.equal(" ", b:read()); | |
| 48 assert.equal("world", b:read()); | |
| 49 end); | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
50 it("fails when there is not enough data in the buffer", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
51 local b = dbuffer.new(12); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
52 b:write("hello"); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
53 b:write(" "); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
54 b:write("world"); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
55 assert.is_falsy(b:read(12)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
56 assert.is_falsy(b:read(13)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
57 end); |
| 11105 | 58 end); |
| 59 | |
|
11636
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
60 describe(":read_until", function () |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
61 it("works", function () |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
62 local b = dbuffer.new(); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
63 b:write("hello\n"); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
64 b:write("world"); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
65 b:write("\n"); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
66 b:write("\n\n"); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
67 b:write("stuff"); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
68 b:write("more\nand more"); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
69 |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
70 assert.equal(nil, b:read_until(".")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
71 assert.equal(nil, b:read_until("%")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
72 assert.equal("hello\n", b:read_until("\n")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
73 assert.equal("world\n", b:read_until("\n")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
74 assert.equal("\n", b:read_until("\n")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
75 assert.equal("\n", b:read_until("\n")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
76 assert.equal("stu", b:read(3)); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
77 assert.equal("ffmore\n", b:read_until("\n")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
78 assert.equal(nil, b:read_until("\n")); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
79 assert.equal("and more", b:read_chunk()); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
80 end); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
81 end); |
|
11e0a0a08da3
util.dbuffer: Add read_until() method
Matthew Wild <mwild1@gmail.com>
parents:
11158
diff
changeset
|
82 |
| 11105 | 83 describe(":discard", function () |
| 84 local b = dbuffer.new(); | |
| 85 it("works", function () | |
| 86 assert.truthy(b:write("hello world")); | |
| 87 assert.truthy(b:discard(6)); | |
| 88 assert.equal(5, b:length()); | |
|
11156
a8ef69f7fc35
util.dbuffer: Expose length as :len() method, like strings
Kim Alvefur <zash@zash.se>
parents:
11105
diff
changeset
|
89 assert.equal(5, b:len()); |
| 11105 | 90 assert.equal("world", b:read(5)); |
| 91 end); | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
92 it("works across chunks", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
93 assert.truthy(b:write("hello")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
94 assert.truthy(b:write(" ")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
95 assert.truthy(b:write("world")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
96 assert.truthy(b:discard(3)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
97 assert.equal(8, b:length()); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
98 assert.truthy(b:discard(3)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
99 assert.equal(5, b:length()); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
100 assert.equal("world", b:read(5)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
101 end); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
102 it("can discard the entire buffer", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
103 assert.equal(b:len(), 0); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
104 assert.truthy(b:write("hello world")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
105 assert.truthy(b:discard(11)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
106 assert.equal(0, b:len()); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
107 assert.truthy(b:write("hello world")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
108 assert.truthy(b:discard(12)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
109 assert.equal(0, b:len()); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
110 assert.truthy(b:write("hello world")); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
111 assert.truthy(b:discard(128)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
112 assert.equal(0, b:len()); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
113 end); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
114 it("works on an empty buffer", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
115 assert.truthy(dbuffer.new():discard()); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
116 assert.truthy(dbuffer.new():discard(0)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
117 assert.truthy(dbuffer.new():discard(1)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
118 end); |
| 11105 | 119 end); |
| 120 | |
| 121 describe(":collapse()", function () | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
122 it("works", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
123 local b = dbuffer.new(); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
124 b:write("hello"); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
125 b:write(" "); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
126 b:write("world"); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
127 b:collapse(6); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
128 local ret, bytes = b:read_chunk(); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
129 assert.equal("hello ", ret); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
130 assert.equal(6, bytes); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
131 end); |
| 11105 | 132 it("works on an empty buffer", function () |
| 133 local b = dbuffer.new(); | |
| 134 b:collapse(); | |
| 135 end); | |
| 136 end); | |
| 137 | |
| 138 describe(":sub", function () | |
| 139 -- Helper function to compare buffer:sub() with string:sub() | |
| 140 local s = "hello world"; | |
| 141 local function test_sub(b, x, y) | |
| 142 local string_result, buffer_result = s:sub(x, y), b:sub(x, y); | |
| 143 assert.equals(string_result, buffer_result, ("buffer:sub(%d, %s) does not match string:sub()"):format(x, y and ("%d"):format(y) or "nil")); | |
| 144 end | |
| 145 | |
| 146 it("works", function () | |
| 147 local b = dbuffer.new(); | |
| 148 assert.truthy(b:write("hello world")); | |
| 149 assert.equals("hello", b:sub(1, 5)); | |
| 150 end); | |
| 151 | |
| 152 it("works after discard", function () | |
| 153 local b = dbuffer.new(256); | |
| 154 assert.truthy(b:write("foobar")); | |
| 155 assert.equals("foobar", b:sub(1, 6)); | |
| 156 assert.truthy(b:discard(3)); -- consume "foo" | |
| 157 assert.equals("bar", b:sub(1, 3)); | |
| 158 end); | |
| 159 | |
| 160 it("supports optional end parameter", function () | |
| 161 local b = dbuffer.new(); | |
| 162 assert.truthy(b:write("hello world")); | |
| 163 assert.equals("hello world", b:sub(1)); | |
| 164 assert.equals("world", b:sub(-5)); | |
| 165 end); | |
| 166 | |
| 167 it("is equivalent to string:sub", function () | |
| 168 local b = dbuffer.new(11); | |
| 169 assert.truthy(b:write(s)); | |
| 170 for i = -13, 13 do | |
| 171 for j = -13, 13 do | |
| 172 test_sub(b, i, j); | |
| 173 end | |
| 174 end | |
| 175 end); | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
176 |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
177 it("works on an empty buffer", function () |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
178 local b = dbuffer.new(); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
179 assert.equal("", b:sub(1, 12)); |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
180 end); |
| 11105 | 181 end); |
| 182 | |
| 183 describe(":byte", function () | |
| 184 -- Helper function to compare buffer:byte() with string:byte() | |
| 185 local s = "hello world" | |
| 186 local function test_byte(b, x, y) | |
| 187 local string_result, buffer_result = {s:byte(x, y)}, {b:byte(x, y)}; | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
188 assert.same( |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
189 string_result, |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
190 buffer_result, |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
191 ("buffer:byte(%s, %s) does not match string:byte()"):format(x and ("%d"):format(x) or "nil", y and ("%d"):format(y) or "nil") |
|
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
192 ); |
| 11105 | 193 end |
| 194 | |
| 195 it("is equivalent to string:byte", function () | |
| 196 local b = dbuffer.new(11); | |
| 197 assert.truthy(b:write(s)); | |
| 198 test_byte(b, 1); | |
| 199 test_byte(b, 3); | |
| 200 test_byte(b, -1); | |
| 201 test_byte(b, -3); | |
|
12764
bf6d2f9fad4d
util.dbuffer: Add a bunch of missing test cases
Matthew Wild <mwild1@gmail.com>
parents:
11637
diff
changeset
|
202 test_byte(b, nil, 5); |
| 11105 | 203 for i = -13, 13 do |
| 204 for j = -13, 13 do | |
| 205 test_byte(b, i, j); | |
| 206 end | |
| 207 end | |
| 208 end); | |
| 209 | |
| 210 it("works with characters > 127", function () | |
| 211 local b = dbuffer.new(); | |
| 212 b:write(string.char(0, 140)); | |
| 213 local r = { b:byte(1, 2) }; | |
| 214 assert.same({ 0, 140 }, r); | |
| 215 end); | |
| 216 | |
| 217 it("works on an empty buffer", function () | |
| 218 local b = dbuffer.new(); | |
| 219 assert.equal("", b:sub(1,1)); | |
| 220 end); | |
| 221 end); | |
| 222 end); |
