1 files changed, 116 insertions, 0 deletions
diff --git a/test/basic/init.lua b/test/basic/init.lua
new file mode 100644
index 00000000..3c6d591f
--- /dev/null
+++ b/test/basic/init.lua
@@ -0,0 +1,116 @@
+local files = require 'files'
+
+local text = [[
+
+
+function Test(self)
+
+end
+]]
+files.setText('', text)
+
+local changes = {
+    [1] = {
+        range = {
+            ["end"] = {
+                character = 0,
+                line = 5,
+            },
+            start = {
+                character = 0,
+                line = 5,
+            },
+        },
+        rangeLength = 0,
+        text = "\
+",
+    },
+    [2] = {
+        range = {
+            ["end"] = {
+                character = 0,
+                line = 6,
+            },
+            start = {
+                character = 0,
+                line = 6,
+            },
+        },
+        rangeLength = 0,
+        text = "a",
+    },
+    [3] = {
+        range = {
+            ["end"] = {
+                character = 1,
+                line = 6,
+            },
+            start = {
+                character = 1,
+                line = 6,
+            },
+        },
+        rangeLength = 0,
+        text = "s",
+    },
+    [4] = {
+        range = {
+            ["end"] = {
+                character = 2,
+                line = 6,
+            },
+            start = {
+                character = 2,
+                line = 6,
+            },
+        },
+        rangeLength = 0,
+        text = "s",
+    },
+    [5] = {
+        range = {
+            ["end"] = {
+                character = 3,
+                line = 6,
+            },
+            start = {
+                character = 3,
+                line = 6,
+            },
+        },
+        rangeLength = 0,
+        text = "e",
+    },
+    [6] = {
+        range = {
+            ["end"] = {
+                character = 4,
+                line = 6,
+            },
+            start = {
+                character = 4,
+                line = 6,
+            },
+        },
+        rangeLength = 0,
+        text = "r",
+    },
+}
+
+for _, change in ipairs(changes) do
+    if change.range then
+        local start, finish = files.unrange('', change.range)
+        text = text:sub(1, start - 1) .. change.text .. text:sub(finish)
+    else
+        text = change.text
+    end
+end
+
+assert(text == [[
+
+
+function Test(self)
+
+end
+
+asser]])