Add a test for nested luacov execution

TODO: fix luacov.tick not working since 2012 or so when
`module` calls (that set package.loaded earlier than `require`) were
removed.

6 files changed, 82 insertions, 0 deletions

diff --git a/tests/cli.lua b/tests/cli.lua
index 93da5da..528aa02 100644
--- a/tests/cli.lua
+++ b/tests/cli.lua
@@ -66,4 +66,6 @@ test("coroutines")
 
 test("hook")
 
+test("nested")
+
 print(("%d CLI tests passed."):format(ntests))
diff --git a/tests/nested/.luacov b/tests/nested/.luacov
new file mode 100644
index 0000000..7dbefb5
--- /dev/null
+++ b/tests/nested/.luacov
@@ -0,0 +1,5 @@
+return {
+   modules = {
+      testlib = "testlib.lua"
+   }
+}
diff --git a/tests/nested/expected.out b/tests/nested/expected.out
new file mode 100644
index 0000000..28784b2
--- /dev/null
+++ b/tests/nested/expected.out
@@ -0,0 +1,28 @@
+
+==============================================================================
+testlib.lua
+==============================================================================
+ 2	local a = 1
+ 2	local b = 2
+  	
+ 2	local lib = {}
+  	
+ 2	function lib.f1()
+ 2	   local c = 3
+ 2	   return 4
+  	end
+  	
+ 2	function lib.f2()
+ 3	   local d = 5
+ 3	   return 6
+  	end
+  	
+ 2	return lib
+
+==============================================================================
+Summary
+==============================================================================
+
+10	0	100.00%	testlib.lua
+------------------------
+10	0	100.00%	
diff --git a/tests/nested/subdir/script.lua b/tests/nested/subdir/script.lua
new file mode 100644
index 0000000..ef278a2
--- /dev/null
+++ b/tests/nested/subdir/script.lua
@@ -0,0 +1,5 @@
+local testlib = require "testlib"
+testlib.f1()
+testlib.f2()
+testlib.f2()
+os.exit()
diff --git a/tests/nested/test.lua b/tests/nested/test.lua
new file mode 100644
index 0000000..67a5e72
--- /dev/null
+++ b/tests/nested/test.lua
@@ -0,0 +1,26 @@
+local testlib = require "testlib"
+local luacov = require "luacov.runner"
+
+testlib.f1()
+
+luacov.pause()
+
+local cmd = arg[-5] or "lua"
+local slash = cmd:find("/")
+
+if slash and slash ~= 1 then
+   cmd = "../" .. cmd
+end
+
+cmd = cmd .. " -e 'package.path=[[../?.lua;../../../src/?.lua;]]'"
+cmd = cmd .. " -e 'osexit = os.exit'"
+cmd = cmd .. " -e 'require([[luacov.runner]]).load_config({statsfile = [[../luacov.stats.out]], savestepsize = 1})'"
+cmd = cmd .. " -l luacov.tick"
+cmd = cmd .. " -e 'dofile([[script.lua]])'"
+
+local ok = os.execute("cd subdir && " .. cmd)
+assert(ok == 0 or ok == true)
+
+luacov.resume()
+
+testlib.f2()
diff --git a/tests/nested/testlib.lua b/tests/nested/testlib.lua
new file mode 100644
index 0000000..2733f71
--- /dev/null
+++ b/tests/nested/testlib.lua
@@ -0,0 +1,16 @@
+local a = 1
+local b = 2
+
+local lib = {}
+
+function lib.f1()
+   local c = 3
+   return 4
+end
+
+function lib.f2()
+   local d = 5
+   return 6
+end
+
+return lib