tests: add more tests for importing @keyword as function names, and for V enums with c++ keyword field names (#23696)

vlib/v/tests/enums/enum_field_name_same_as_cpp_keywords_test.v

@@ -0,0 +1,13 @@
+enum MyEnum {
+	catch
+	class
+	dynamic_cast
+	static_cast
+	operator
+	virtual
+}
+
+fn test_cpp_keywords_used_as_enum_values() {
+	e := MyEnum.class
+	assert e.str() == 'class'
+}

vlib/v/tests/project_importing_v_keywords/importing_keywords_works_test.v

@@ -0,0 +1,51 @@
+import mymod { @as, @asm, @assert, @atomic, @break, @const, @continue, @defer, @else, @enum, @false, @fn, @for, @go, @goto, @if, @implements, @import, @in, @interface, @is, @isreftype, @lock, @match, @module, @mut, @or, @pub, @return, @rlock, @select, @shared, @sizeof, @spawn, @static, @struct, @true, @type, @typeof, @union, @unsafe, @volatile }
+
+fn call_keywords() {
+	@as()
+	@asm()
+	@assert()
+	@atomic()
+	@break()
+	@const()
+	@continue()
+	@defer()
+	@else()
+	@enum()
+	@false()
+	@fn()
+	@for()
+	@go()
+	@goto()
+	@if()
+	@implements()
+	@import()
+	@in()
+	@interface()
+	@is()
+	@isreftype()
+	@lock()
+	@match()
+	@module()
+	@mut()
+	@or()
+	@pub()
+	@return()
+	@rlock()
+	@select()
+	@shared()
+	@sizeof()
+	@spawn()
+	@static()
+	@struct()
+	@true()
+	@type()
+	@typeof()
+	@union()
+	@unsafe()
+	@volatile()
+}
+
+fn test_main() {
+	call_keywords()
+	assert true
+}

vlib/v/tests/project_importing_v_keywords/mymod/f.v

@@ -0,0 +1,173 @@
+module mymod
+
+pub fn @as() {
+	println(@LOCATION)
+}
+
+pub fn @asm() {
+	println(@LOCATION)
+}
+
+pub fn @assert() {
+	println(@LOCATION)
+}
+
+pub fn @atomic() {
+	println(@LOCATION)
+}
+
+pub fn @break() {
+	println(@LOCATION)
+}
+
+pub fn @const() {
+	println(@LOCATION)
+}
+
+pub fn @continue() {
+	println(@LOCATION)
+}
+
+pub fn @defer() {
+	println(@LOCATION)
+}
+
+pub fn @else() {
+	println(@LOCATION)
+}
+
+pub fn @enum() {
+	println(@LOCATION)
+}
+
+pub fn @false() {
+	println(@LOCATION)
+}
+
+pub fn @fn() {
+	println(@LOCATION)
+}
+
+pub fn @for() {
+	println(@LOCATION)
+}
+
+pub fn @go() {
+	println(@LOCATION)
+}
+
+pub fn @goto() {
+	println(@LOCATION)
+}
+
+pub fn @if() {
+	println(@LOCATION)
+}
+
+pub fn @implements() {
+	println(@LOCATION)
+}
+
+pub fn @import() {
+	println(@LOCATION)
+}
+
+pub fn @in() {
+	println(@LOCATION)
+}
+
+pub fn @interface() {
+	println(@LOCATION)
+}
+
+pub fn @is() {
+	println(@LOCATION)
+}
+
+pub fn @isreftype() {
+	println(@LOCATION)
+}
+
+pub fn @lock() {
+	println(@LOCATION)
+}
+
+pub fn @match() {
+	println(@LOCATION)
+}
+
+pub fn @module() {
+	println(@LOCATION)
+}
+
+pub fn @mut() {
+	println(@LOCATION)
+}
+
+pub fn @none() {
+	println(@LOCATION)
+}
+
+pub fn @or() {
+	println(@LOCATION)
+}
+
+pub fn @pub() {
+	println(@LOCATION)
+}
+
+pub fn @return() {
+	println(@LOCATION)
+}
+
+pub fn @rlock() {
+	println(@LOCATION)
+}
+
+pub fn @select() {
+	println(@LOCATION)
+}
+
+pub fn @shared() {
+	println(@LOCATION)
+}
+
+pub fn @sizeof() {
+	println(@LOCATION)
+}
+
+pub fn @spawn() {
+	println(@LOCATION)
+}
+
+pub fn @static() {
+	println(@LOCATION)
+}
+
+pub fn @struct() {
+	println(@LOCATION)
+}
+
+pub fn @true() {
+	println(@LOCATION)
+}
+
+pub fn @type() {
+	println(@LOCATION)
+}
+
+pub fn @typeof() {
+	println(@LOCATION)
+}
+
+pub fn @union() {
+	println(@LOCATION)
+}
+
+pub fn @unsafe() {
+	println(@LOCATION)
+}
+
+pub fn @volatile() {
+	println(@LOCATION)
+}