From e4a719344f2d3bf6008d15949baf60fa68420135 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Thu, 14 Jul 2022 17:39:58 +0800
Subject: add spec.

---
 spec/inputs/switch.yue  | 10 ++++++++++
 spec/outputs/switch.lua | 28 ++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/spec/inputs/switch.yue b/spec/inputs/switch.yue
index 08330bf..442d15f 100644
--- a/spec/inputs/switch.yue
+++ b/spec/inputs/switch.yue
@@ -108,10 +108,20 @@ do
 
 do
 	tb = {}
+
 	switch tb
 		when {:a = 1, :b = 2}
 			print a, b
 
+	switch tb
+		when {:a, :b = 2}
+			print "partially matched", a, b
+
+	switch tb
+		when {:a, :b}
+			print a, b
+		else
+			print "not matched"
 do
 	tb = x: "abc"
 	switch tb
diff --git a/spec/outputs/switch.lua b/spec/outputs/switch.lua
index c4cde26..4358027 100644
--- a/spec/outputs/switch.lua
+++ b/spec/outputs/switch.lua
@@ -247,6 +247,34 @@ do
 			print(a, b)
 		end
 	end
+	do
+		local _tab_0 = "table" == type(tb)
+		if _tab_0 then
+			local a = tb.a
+			local b = tb.b
+			if b == nil then
+				b = 2
+			end
+			if a ~= nil then
+				print("partially matched", a, b)
+			end
+		end
+	end
+	do
+		local _tab_0 = "table" == type(tb)
+		local _match_0 = false
+		if _tab_0 then
+			local a = tb.a
+			local b = tb.b
+			if a ~= nil and b ~= nil then
+				_match_0 = true
+				print(a, b)
+			end
+		end
+		if not _match_0 then
+			print("not matched")
+		end
+	end
 end
 do
 	local tb = {
-- 
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