Expanded the test suite.

test.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+cd ./test/
+
+for file in *.lua; do
+	lua "$file"
+done
+

test/blockedcache.lua

@@ -6,7 +6,7 @@ dofile("../utils/test.lua")
 dofile("../utils/blockedcache.lua")
 
 
-function test_basic()
+local function test_basic()
 	local cache = BlockedCache:new()
 	
 	cache:put(0, 0, "a")
@@ -15,7 +15,7 @@ function test_basic()
 	test.equals("a", cache:get(0, 0))
 end
 
-function test_auto_compacting()
+local function test_auto_compacting()
 	local cache = BlockedCache:new(5, true)
 
 	cache:put(0, 0, "a")
@@ -48,6 +48,7 @@ function test_auto_compacting()
 end
 
 
-test_basic()
-test_auto_compacting()
+test.start("BlockedCache")
+test.run("auto_compacting", test_auto_compacting)
+test.run("basic", test_basic)
 

test/mathutil.lua

@@ -6,14 +6,14 @@ dofile("../utils/test.lua")
 dofile("../utils/mathutil.lua")
 
 
-function test_clamp()
+local function test_clamp()
 	test.equals(0, mathutil.clamp(0, 0, 0))
 	
 	test.equals(0, mathutil.clamp(-10, 0, 20))
 	test.equals(20, mathutil.clamp(30, 0, 20))
 end
 
-function test_round()
+local function test_round()
 	test.equals(0, mathutil.round(0))
 	
 	test.equals(0, mathutil.round(0.3))
@@ -27,6 +27,7 @@ function test_round()
 	test.equals(1.234, mathutil.round(1.2344756, 3))
 end
 
-test_clamp()
-test_round()
+test.start("mathutil")
+test.run("clamp", test_clamp)
+test.run("round", test_round)
 

utils/test.lua

@@ -25,7 +25,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 --]]
 
 
---- A simple utility for testing values.
+--- A simple utility for testing values and running unit tests.
 test = {}
 
 
@@ -54,3 +54,31 @@ function test.equals(expected, actual, message)
 	end
 end
 
+--- Runs the given method and prints a formatted information including the name.
+--
+-- @param name The name of the method that is being run.
+-- @param test_method The method to run.
+function test.run(name, test_method)
+	io.write(string.rep(" ", 20 - string.len(name)))
+	io.write(name)
+	io.write(" ... ")
+	
+	local status, err = pcall(test_method)
+	
+	if status then
+		print("Passed")
+	else
+		local indentation = string.rep(" ", 28)
+		print("Failed: " .. string.gsub(err, "\n", "\n" .. indentation))
+	end
+end
+
+--- Prints the given name as header.
+--
+-- @param name The name of the header.
+function test.start(name)
+	print("\n")
+	print(string.rep(" ", 20 - string.len(name)) .. name)
+	print(string.rep("-", 80))
+end
+