diff options
| -rw-r--r-- | spec/util_dbuffer_spec.lua | 72 |
1 files changed, 70 insertions, 2 deletions
diff --git a/spec/util_dbuffer_spec.lua b/spec/util_dbuffer_spec.lua index 83ca1823..0072a59d 100644 --- a/spec/util_dbuffer_spec.lua +++ b/spec/util_dbuffer_spec.lua @@ -6,6 +6,8 @@ describe("util.dbuffer", function () end); it("can be created", function () assert.truthy(dbuffer.new()); + assert.truthy(dbuffer.new(1)); + assert.truthy(dbuffer.new(1024)); end); it("won't create an empty buffer", function () assert.falsy(dbuffer.new(0)); @@ -15,10 +17,21 @@ describe("util.dbuffer", function () end); end); describe(":write", function () - local b = dbuffer.new(); + local b = dbuffer.new(10, 3); it("works", function () assert.truthy(b:write("hi")); end); + it("fails when the buffer is full", function () + local ret = b:write(" there world, this is a long piece of data"); + assert.is_falsy(ret); + end); + it("works when max_chunks is reached", function () + -- Chunks are an optimization, dbuffer should collapse chunks when needed + for _ = 1, 8 do + assert.truthy(b:write("!")); + end + assert.falsy(b:write("!")); -- Length reached + end); end); describe(":read", function () @@ -34,6 +47,14 @@ describe("util.dbuffer", function () assert.equal(" ", b:read()); assert.equal("world", b:read()); end); + it("fails when there is not enough data in the buffer", function () + local b = dbuffer.new(12); + b:write("hello"); + b:write(" "); + b:write("world"); + assert.is_falsy(b:read(12)); + assert.is_falsy(b:read(13)); + end); end); describe(":read_until", function () @@ -68,9 +89,46 @@ describe("util.dbuffer", function () assert.equal(5, b:len()); assert.equal("world", b:read(5)); end); + it("works across chunks", function () + assert.truthy(b:write("hello")); + assert.truthy(b:write(" ")); + assert.truthy(b:write("world")); + assert.truthy(b:discard(3)); + assert.equal(8, b:length()); + assert.truthy(b:discard(3)); + assert.equal(5, b:length()); + assert.equal("world", b:read(5)); + end); + it("can discard the entire buffer", function () + assert.equal(b:len(), 0); + assert.truthy(b:write("hello world")); + assert.truthy(b:discard(11)); + assert.equal(0, b:len()); + assert.truthy(b:write("hello world")); + assert.truthy(b:discard(12)); + assert.equal(0, b:len()); + assert.truthy(b:write("hello world")); + assert.truthy(b:discard(128)); + assert.equal(0, b:len()); + end); + it("works on an empty buffer", function () + assert.truthy(dbuffer.new():discard()); + assert.truthy(dbuffer.new():discard(0)); + assert.truthy(dbuffer.new():discard(1)); + end); end); describe(":collapse()", function () + it("works", function () + local b = dbuffer.new(); + b:write("hello"); + b:write(" "); + b:write("world"); + b:collapse(6); + local ret, bytes = b:read_chunk(); + assert.equal("hello ", ret); + assert.equal(6, bytes); + end); it("works on an empty buffer", function () local b = dbuffer.new(); b:collapse(); @@ -115,6 +173,11 @@ describe("util.dbuffer", function () end end end); + + it("works on an empty buffer", function () + local b = dbuffer.new(); + assert.equal("", b:sub(1, 12)); + end); end); describe(":byte", function () @@ -122,7 +185,11 @@ describe("util.dbuffer", function () local s = "hello world" local function test_byte(b, x, y) local string_result, buffer_result = {s:byte(x, y)}, {b:byte(x, y)}; - assert.same(string_result, buffer_result, ("buffer:byte(%d, %s) does not match string:byte()"):format(x, y and ("%d"):format(y) or "nil")); + assert.same( + string_result, + buffer_result, + ("buffer:byte(%s, %s) does not match string:byte()"):format(x and ("%d"):format(x) or "nil", y and ("%d"):format(y) or "nil") + ); end it("is equivalent to string:byte", function () @@ -132,6 +199,7 @@ describe("util.dbuffer", function () test_byte(b, 3); test_byte(b, -1); test_byte(b, -3); + test_byte(b, nil, 5); for i = -13, 13 do for j = -13, 13 do test_byte(b, i, j); |