1 files changed, 93 insertions, 0 deletions
diff --git a/test/lua/lines.lua b/test/lua/lines.lua
new file mode 100644
index 0000000..745e8b0
--- /dev/null
+++ b/test/lua/lines.lua
@@ -0,0 +1,93 @@
+require 'busted.runner'()
+
+local file = vis.win.file
+
+describe("file.lines_iterator()", function()
+
+	it("same as file.lines[]", function()
+		local i = 1
+		local iterator_lines = {}
+		for line in file:lines_iterator() do
+			iterator_lines[i] = line
+			i = i + 1
+		end
+		local array_lines = {}
+		for j = 1, #file.lines do
+			array_lines[j] = file.lines[j]
+		end
+		assert.are.same(array_lines, iterator_lines)
+	end)
+end)
+
+describe("get file.lines[]", function()
+
+	it("#lines", function()
+		assert.are.equals(5, #file.lines)
+	end)
+
+	it("get lines[0]", function()
+		-- is that what we want?
+		assert.are.equals(file.lines[0], file.lines[1])
+	end)
+
+	it("get lines[1]", function()
+		assert.are.equals("1", file.lines[1])
+	end)
+
+	it("get empty \n line", function()
+		assert.are.equals("", file.lines[2])
+	end)
+
+	it("get empty \r\n line", function()
+		assert.are.equals("\r", file.lines[4])
+	end)
+
+	it("get lines[#lines]", function()
+		assert.are.equals("5", file.lines[#file.lines])
+	end)
+
+	it("get lines[#lines+1]", function()
+		-- is that what we want?
+		assert.are.equals("5", file.lines[#file.lines])
+	end)
+
+end)
+
+describe("set file.lines[]", function()
+
+	it("replace empty \n line", function()
+		local new = "line 2"
+		file.lines[2] = new
+		assert.are.equals(new, file.lines[2])
+	end)
+
+--[[
+	it("replace empty \r\n line", function()
+		local new = "line 4"
+		file.lines[4] = new
+		assert.are.equals(new, file.lines[4])
+	end)
+--]]
+
+	it("set lines[0], add new line at start", function()
+		local lines = #file.lines
+		local new_first = "new first line"
+		local old_first = file.lines[1]
+		file.lines[0] = new_first
+		assert.are.equals(lines+1, #file.lines)
+		assert.are.equals(new_first, file.lines[1])
+		assert.are.equals(old_first, file.lines[2])
+	end)
+
+	it("set lines[#lines+1], add new line at end", function()
+		local lines = #file.lines
+		local new_last = "new last line"
+		local old_last = file.lines[#file.lines]
+		file.lines[#file.lines+1] = new_last
+		assert.are.equals(lines+1, #file.lines)
+		assert.are.equals(new_last, file.lines[#file.lines])
+		assert.are.equals(old_last, file.lines[lines])
+	end)
+
+end)
+