test(precompile): add more cases

Add all kinds of errors described in gnolang#1636.

gnovm/cmd/gno/testdata/gno_precompile/03_invalid_gno_files.txtar → gnovm/cmd/gno/testdata/gno_precompile/03_gno_files_parse_error.txtar

@@ -1,11 +1,15 @@
-# Run gno precompile with invalid gno files
+# Run gno precompile with gno files with parse errors
 
 ! gno precompile .
 
 ! stdout .+
 stderr 'precompile: parse: main.gno:3:1: expected declaration, found invalid'
 stderr 'precompile: parse: sub/sub.gno:3:1: expected declaration, found invalid'
 
+# no *.gen.go files are created
+! exec test -f main.gno.gen.go
+! exec test -f sub/sub.gno.gen.go
+
 -- main.gno --
 package main
 

gnovm/cmd/gno/testdata/gno_precompile/08_build_flag_with_parse_error.txtar

@@ -0,0 +1,14 @@
+# Run gno precompile with -gobuild flag on file with parse error
+
+! gno precompile -gobuild .
+
+! stdout .+
+stderr 'main.gno: precompile: parse: main.gno:3:1: expected declaration, found invalid'
+
+# no *.gen.go files are created
+! exec test -f main.gno.gen.go
+
+-- main.gno --
+package main
+
+invalid

gnovm/cmd/gno/testdata/gno_precompile/09_gno_files_whitelist_error.txtar

@@ -0,0 +1,26 @@
+# Run gno precompile with gno files with whitelist errors
+
+! gno precompile .
+
+! stdout .+
+stderr 'main.gno: precompile: import "xxx" is not in the whitelist'
+stderr 'sub/sub.gno: precompile: import "xxx" is not in the whitelist'
+
+# no *.gen.go files are created
+! exec test -f main.gno.gen.go
+! exec test -f sub/sub.gno.gen.go
+
+-- main.gno --
+package main
+
+import (
+	"std"
+	"xxx"
+)
+
+func main() {}
+
+-- sub/sub.gno --
+package sub
+
+import "xxx"