# Commands in an old module with no go line and no toolchain line,
# or with only a go line, should succeed.
# (They should not fail due to the go.mod not being tidy.)

# No go line, no toolchain line.
go list

# Old go line, no toolchain line.
go mod edit -go=1.16
go list

go mod edit -go=1.20
go list

# New go line, no toolchain line, using same toolchain.
env TESTGO_VERSION=1.21
go mod edit -go=1.21
go list

# New go line, no toolchain line, using newer Go version.
# (Until we need to update the go line, no toolchain addition.)
env TESTGO_VERSION=1.21.0
go list

-- go.mod --
module m
-- p.go --
package p