1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/bmake/unit-tests/cond-func-defined.mk b/contrib/bmake/unit-tests/cond-func-defined.mk
new file mode 100644
index 000000000000..2aa49ccbf147
--- /dev/null
+++ b/contrib/bmake/unit-tests/cond-func-defined.mk
@@ -0,0 +1,52 @@
+# $NetBSD: cond-func-defined.mk,v 1.7 2020/11/15 14:07:53 rillig Exp $
+#
+# Tests for the defined() function in .if conditions.
+
+DEF=		defined
+${:UA B}=	variable name with spaces
+
+.if !defined(DEF)
+.  error
+.endif
+
+# Horizontal whitespace (space tab) after the opening parenthesis is ignored.
+.if !defined( 	DEF)
+.  error
+.endif
+
+# Horizontal whitespace (space tab) before the closing parenthesis is ignored.
+.if !defined(DEF 	)
+.  error
+.endif
+
+# The argument of a function must not directly contain whitespace.
+.if !defined(A B)
+.  error
+.endif
+
+# If necessary, the whitespace can be generated by a variable expression.
+.if !defined(${:UA B})
+.  error
+.endif
+
+# Parse error: missing closing parenthesis; see ParseFuncArg.
+.if defined(DEF
+.  error
+.else
+.  error
+.endif
+
+# Variables from .for loops are not defined.
+# See directive-for.mk for more details.
+.for var in value
+.  if defined(var)
+.    error
+.  else
+.    info In .for loops, variable expressions for the loop variables are
+.    info substituted at evaluation time.  There is no actual variable
+.    info involved, even if it feels like it.
+.  endif
+.endfor
+
+all:
+	@:;