test REPL construction of Expr objects containing IR nodes

JuliaLang · Jun 13, 2018 · 27981e0 · 27981e0
1 parent d5b6d46
commit 27981e0
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/stdlib/REPL/test/repl.jl b/stdlib/REPL/test/repl.jl
@@ -961,3 +961,19 @@ for (line, expr) in Pair[
  buf = IOBuffer()
  @test Base.eval(REPL._helpmode(buf, line)) isa Union{Markdown.MD,Nothing}
 end
+
+# PR #27562
+fake_repl() do stdin_write, stdout_read, repl
+ repltask = @async begin
+ REPL.run_repl(repl)
+ end
+ write(stdin_write, "Expr(:call, GlobalRef(Base.Math, :float), Core.SlotNumber(1))\n")
+ readline(stdout_read)
+ @test readline(stdout_read) == "\e[0m:((Base.Math.float)(_1))"
+ write(stdin_write, "ans\n")
+ readline(stdout_read)
+ readline(stdout_read)
+ @test readline(stdout_read) == "\e[0m:((Base.Math.float)(_1))"
+ write(stdin_write, '\x04')
+ Base._wait(repltask)
+end