client.jl
# This file is a part of Julia. License is MIT: https://julialang.org/license
nested_error_expr = quote
try
__not_a_binding__
catch
1 รท 0 # Generate error while handling error
end
end
nested_error_pattern = r"""
ERROR: DivideError: integer division error
Stacktrace:.*
caused by: UndefVarError: __not_a_binding__ not defined
Stacktrace:.*
"""s
@testset "display_error" begin
# Display of errors which cause more than one entry on the exception stack
err_str = try
eval(nested_error_expr)
catch
excs = Base.catch_stack()
@test typeof.(first.(excs)) == [UndefVarError, DivideError]
sprint(Base.display_error, excs)
end
@test occursin(nested_error_pattern, err_str)
end
@testset "Fallback REPL" begin
# Fallback REPL should show errors with display_error
errio = IOBuffer()
Base.eval_user_input(errio, nested_error_expr, true)
err_str = String(take!(errio))
@test occursin(nested_error_pattern, err_str)
end