Add some tests for the getcmdtype() function

src/test/java/org/jetbrains/plugins/ideavim/ex/implementation/functions/GetCmdTypeFunctionTest.kt

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2003-2024 The IdeaVim authors
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE.txt file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package org.jetbrains.plugins.ideavim.ex.implementation.functions
+
+import com.maddyhome.idea.vim.api.injector
+import com.maddyhome.idea.vim.ui.ex.ExEntryPanel
+import org.jetbrains.plugins.ideavim.VimTestCase
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+
+class GetCmdTypeFunctionTest : VimTestCase() {
+
+  @Test
+  fun `test getcmdtype() for a regular command`() {
+    configureByText("\n")
+    enterCommand("cmap <expr> z getcmdtype()")
+    typeText(":fooz")
+    assertEquals("foo:", (injector.commandLine.getActiveCommandLine() as ExEntryPanel).visibleText)
+  }
+
+  @Test
+  fun `test getcmdtype() for a forward search`() {
+    configureByText("\n")
+    enterCommand("cmap <expr> z getcmdtype()")
+    typeText("/fooz")
+    assertEquals("foo/", (injector.commandLine.getActiveCommandLine() as ExEntryPanel).visibleText)
+  }
+
+  @Test
+  fun `test getcmdtype() for a backward search`() {
+    configureByText("\n")
+    enterCommand("cmap <expr> z getcmdtype()")
+    typeText("?fooz")
+    assertEquals("foo?", (injector.commandLine.getActiveCommandLine() as ExEntryPanel).visibleText)
+  }
+
+  @Test
+  fun `test getcmdtype() for an expression command`() {
+    configureByText("\n")
+    enterCommand("cmap <expr> z getcmdtype()")
+    typeText("i<C-r>=fooz")
+    assertEquals("foo=", (injector.commandLine.getActiveCommandLine() as ExEntryPanel).visibleText)
+  }
+
+}

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/vimscript/model/functions/handlers/GetCmdTypeFunctionHandler.kt

@@ -22,14 +22,14 @@ import com.maddyhome.idea.vim.vimscript.model.functions.FunctionHandler
 /*
 Return the current command-line type. Possible return values are:
     :	normal Ex command
-    >	debug mode command debug-mode
     /	forward search command
     ?	backward search command
     =	i_CTRL-R_=
 
 Returns an empty string otherwise.
 
 Not yet implemented:
+    >	debug mode command debug-mode
     @	input() command
     -	:insert or :append command
  */