tests: add tests

tris203 · May 5, 2024 · 460aeb7 · 460aeb7
1 parent 3fe03eb
commit 460aeb7
Showing 1 changed file with 46 additions and 0 deletions.
diff --git a/tests/precognition/horizontal_motions_spec.lua b/tests/precognition/horizontal_motions_spec.lua
@@ -144,6 +144,52 @@ describe("boundaries", function()
     end)
 end)
 
+
+describe("matching pair tests", function()
+    it("if cursor is over a bracket it can find the pair", function()
+        eq(9, hm.matching_bracket("abc (efg)", 5, 9))
+        eq(0, hm.matching_bracket("abc (efg)", 6, 9))
+        eq(0, hm.matching_bracket("abc (efg)", 7, 9))
+        eq(0, hm.matching_bracket("abc (efg)", 8, 9))
+        eq(5, hm.matching_bracket("abc (efg)", 9, 9))
+    end)
+
+    it("if cursor is over a square bracket it can find the pair", function()
+        eq(9, hm.matching_bracket("abc [efg]", 5, 9))
+        eq(0, hm.matching_bracket("abc [efg]", 6, 9))
+        eq(0, hm.matching_bracket("abc [efg]", 7, 9))
+        eq(0, hm.matching_bracket("abc [efg]", 8, 9))
+        eq(5, hm.matching_bracket("abc [efg]", 9, 9))
+    end)
+
+    it("if cursor is over a curly bracket it can find the pair", function()
+        eq(9, hm.matching_bracket("abc {efg}", 5, 9))
+        eq(0, hm.matching_bracket("abc {efg}", 6, 9))
+        eq(0, hm.matching_bracket("abc {efg}", 7, 9))
+        eq(0, hm.matching_bracket("abc {efg}", 8, 9))
+        eq(5, hm.matching_bracket("abc {efg}", 9, 9))
+    end)
+
+    it("nested brackets find the correct pair", function()
+        eq(19, hm.matching_bracket("abc (efg [hij] klm)", 5, 19))
+        eq(0, hm.matching_bracket("abc (efg [hij] klm)", 6, 19))
+        eq(14, hm.matching_bracket("abc (efg [hij] klm)", 10, 19))
+        eq(10, hm.matching_bracket("abc (efg [hij] klm)", 14, 19))
+        eq(0, hm.matching_bracket("abc (efg [hij] klm)", 15, 19))
+        eq(5, hm.matching_bracket("abc (efg [hij] klm)", 19, 19))
+    end)
+
+    it ("nested brackets of the same type find the correct pair", function()
+    eq(19, hm.matching_bracket("abc (efg (hij) klm)", 5, 19))
+    eq(0, hm.matching_bracket("abc (efg (hij) klm)", 6, 19))
+    eq(14, hm.matching_bracket("abc (efg (hij) klm)", 10, 19))
+    eq(10, hm.matching_bracket("abc (efg (hij) klm)", 14, 19))
+    eq(0, hm.matching_bracket("abc (efg (hij) klm)", 15, 19))
+    eq(5, hm.matching_bracket("abc (efg (hij) klm)", 19, 19))
+    end)
+
+end)
+
 describe("edge case", function()
     it("can handle empty strings", function()
         eq(0, hm.next_word_boundary("", 1, 0))