a - {}
a

a, {}
a

a - ()
a

a, ()
a

%()

%{}

mem(GRO{UPS};host2)
dc1

got: Set{bc}
want: Set{two, both, one}

got: Set{c}
want: Set{one, two, both}

Could not parse query: %de{f}:KEYS

expand_test.go:86: FAILED /range-spec/spec/expand/numeric_expansion.spec:31
got: Set{an1, an2, an3, an1..n03}
want: Set{an1, an2, an3}

expand_test.go:86: FAILED /range-spec/spec/expand/numeric_expansion.spec:55
got: Set{a1a1..a1a3, a1a1a3}
want: Set{a1a1, a1a2, a1a3}

expand_test.go:86: FAILED /range-spec/spec/expand/numeric_expansion.spec:61
got: Set{a2a2a1..a2a2, a2a2a1a2, a2a2a2a2}
want: Set{a2a2a1, a2a2a2}

expand_test.go:78: FAILED /range-spec/spec/expand/parsing.spec:8
Could not parse query: %a.b

expand_test.go:86: FAILED /range-spec/spec/expand/regex.spec:10
got: Set{}
want: Set{bad, mad}

expand_test.go:78: FAILED /range-spec/spec/expand/clusters/cluster_dots.spec:1
Could not parse query: %a.b.c

expand_test.go:78: FAILED /range-spec/spec/expand/clusters/cluster_dots.spec:16
Could not parse query: %a.b-c.d

expand_test.go:78: FAILED /range-spec/spec/expand/clusters/cluster_func.spec:1
Could not parse query: %allclusters()

expand_test.go:86: FAILED /range-spec/spec/expand/default_cluster/at_operator.spec:8
got: Set{cure}
want: Set{host1}

expand_test.go:78: FAILED /range-spec/spec/expand/default_cluster/mem_function.spec:1
Unknown function: mem

expand_test.go:78: FAILED /range-spec/spec/expand/default_cluster/mem_function.spec:5
Unknown function: mem

expand_test.go:86: FAILED /range-spec/spec/expand/dollar_sign/dollar_operator.spec:2
got: Set{bar2, bar1}
want: Set{$foo}

$ er -e '%{has(HOST;foo)}'     
[WARNING] No nodes returned

$ er -e '%{has(HOST;foo)}:KEYS'
...

./expand_test.go:136: Sprintf format %s has arg value.(bool) of wrong type bool