breakpoints: persistent breakpoints with global x/X mapping

tests/test_breakpoints.lua

@@ -0,0 +1,24 @@
+-- tests for persistent breakpoints
+local td = require("tiny-debugger")
+td.setup()
+
+local function assert_eq(a, b, msg)
+  if a ~= b then
+    error(string.format("FAIL: %s — expected %s, got %s", msg, vim.inspect(b), vim.inspect(a)))
+  end
+end
+
+-- test 1: global x mapping exists
+local maparg = vim.fn.maparg("x", "n", false, true)
+assert_eq(maparg.desc, "tiny-debugger: toggle breakpoint", "global x mapping exists")
+
+-- test 2: global X mapping exists
+maparg = vim.fn.maparg("X", "n", false, true)
+assert_eq(maparg.desc, "tiny-debugger: conditional breakpoint", "global X mapping exists")
+
+-- test 3: persistent-breakpoints API is callable
+local api = require("persistent-breakpoints.api")
+assert_eq(type(api.toggle_breakpoint), "function", "toggle_breakpoint is a function")
+assert_eq(type(api.set_conditional_breakpoint), "function", "set_conditional_breakpoint is a function")
+
+print("ALL BREAKPOINT TESTS PASSED")