1 files changed, 47 insertions, 0 deletions
diff --git a/tests/whenstmt/twhen.nim b/tests/whenstmt/twhen.nim
new file mode 100644
index 000000000..b155ddcfb
--- /dev/null
+++ b/tests/whenstmt/twhen.nim
@@ -0,0 +1,47 @@
+discard """
+  nimout: '''
+nimvm - when
+nimvm - whenElif
+nimvm - whenElse
+'''
+  output: '''
+when
+whenElif
+whenElse
+'''
+"""
+
+# test both when and when nimvm to ensure proper evaluation
+
+proc compileOrRuntimeProc(s: string) =
+  when nimvm:
+    echo "nimvm - " & s
+  else:
+     echo s
+
+template output(s: string) =
+  static:
+    compileOrRuntimeProc(s)
+  compileOrRuntimeProc(s)
+
+when compiles(1):
+  output("when")
+elif compiles(2):
+  output("fail - whenElif")
+else:
+  output("fail - whenElse")
+
+when compiles(nonexistent):
+  output("fail - when")
+elif compiles(1):
+  output("whenElif")
+else:
+  output("fail - whenElse")
+
+when compiles(nonexistent):
+  output("fail - when")
+elif compiles(nonexistent):
+  output("fail - whenElif")
+else:
+  output("whenElse")
+