From d75e1cb7f0418615e208f49c6209b7c144591f14 Mon Sep 17 00:00:00 2001
From: Mark Pulford <mark@kyne.com.au>
Date: Sat, 7 May 2011 03:48:58 +0930
Subject: Add test to compare objects after decode/encode

---
 tests/common.lua | 31 +++++++++++++++++++++++++++++++
 tests/test.lua   | 12 +++++++++---
 2 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/tests/common.lua b/tests/common.lua
index e935032..219de3f 100644
--- a/tests/common.lua
+++ b/tests/common.lua
@@ -76,4 +76,35 @@ function benchmark(tests, iter, rep)
     return test_results
 end
 
+function compare_values(val1, val2)
+    local type1 = type(val1)
+    local type2 = type(val2)
+    if type1 ~= type2 then
+        return false
+    end
+    if type1 ~= "table" then
+        return val1 == val2
+    end
+    local val1_keys = {}
+    -- Note all the keys in val1 need to be checked
+    for k, _ in pairs(val1) do
+        check_keys[k] = true
+    end
+    for k, v in pairs(val2) do
+        if not check_keys[k] then
+            -- Key didn't exist in val1
+            return false
+        end
+        if not compare_value(val1[k], val2[k]) then
+            return false
+        end
+        check_keys[k] = nil
+    end
+    for k, _ in pairs(check_keys) do
+        -- Not the same if any keys left to check
+        return false
+    end
+    return true
+end
+
 -- vi:ai et sw=4 ts=4:
diff --git a/tests/test.lua b/tests/test.lua
index 9424e8f..3c8c404 100755
--- a/tests/test.lua
+++ b/tests/test.lua
@@ -122,11 +122,17 @@ local ascii2 = json.decode(json.encode(ascii))
 print("8bit clean encode/decode: " .. tostring(ascii1 ~= ascii2))
 
 for i = 1, #arg do
-    print(arg[i] .. " enc->dec..")
     local obj1 = json.decode(file_load(arg[i]))
     local obj2 = json.decode(json.encode(obj1))
-    -- obj_compare(obj_json1, obj_json2)
-    print(".. unimplemented")
+    if compare_values(obj, obj) then
+        print(arg[i] .. ": PASS")
+    else
+        print(arg[i] .. ": FAIL")
+        print("== obj1 ==")
+        dump_value(obj1)
+        print("== obj2 ==")
+        dump_value(obj2)
+    end
 end
 
 -- vi:ai et sw=4 ts=4:
-- 
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