From 84f2ad3068cb77247ee6a263b2d375685b28b850 Mon Sep 17 00:00:00 2001
From: Timothee Cour <timothee.cour2@gmail.com>
Date: Tue, 1 Dec 2020 21:09:08 -0800
Subject: [PATCH] add test for --eval; fix a minor bug (#16224)

---
 compiler/commands.nim  | 1 +
 tests/misc/trunner.nim | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/compiler/commands.nim b/compiler/commands.nim
index 916dfd66b6..11bf628b42 100644
--- a/compiler/commands.nim
+++ b/compiler/commands.nim
@@ -450,6 +450,7 @@ proc processSwitch*(switch, arg: string, pass: TCmdLinePass, info: TLineInfo;
     conf.projectIsCmd = true
     conf.cmdInput = arg # can be empty (a nim file with empty content is valid too)
     if conf.cmd == cmdNone:
+      conf.command = "e"
       conf.setCmd cmdNimscript # better than `cmdCrun` as a default
       conf.implicitCmd = true
   of "path", "p":
diff --git a/tests/misc/trunner.nim b/tests/misc/trunner.nim
index 018916e674..e288a56c7a 100644
--- a/tests/misc/trunner.nim
+++ b/tests/misc/trunner.nim
@@ -216,3 +216,9 @@ mmain.html
     let file = testsDir / "misc/mimportc.nim"
     let cmd = fmt"{nim} r -b:cpp --hints:off --nimcache:{nimcache} --warningAsError:ProveInit {file}"
     check execCmdEx(cmd) == ("witness\n", 0)
+
+  block: # nim --eval
+    let opt = "--hints:off"
+    check fmt"""{nim} {opt} --eval:"echo defined(nimscript)"""".execCmdEx == ("true\n", 0)
+    check fmt"""{nim} r {opt} --eval:"echo defined(c)"""".execCmdEx == ("true\n", 0)
+    check fmt"""{nim} r -b:js {opt} --eval:"echo defined(js)"""".execCmdEx == ("true\n", 0)