77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
package pointer
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import (
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"reflect"
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"testing"
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"golang.org/x/tools/go/loader"
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)
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func TestParseExtendedQuery(t *testing.T) {
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const myprog = `
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package pkg
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import "reflect"
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type T []*int
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var V1 *int
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var V2 **int
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var V3 []*int
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var V4 chan []*int
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var V5 struct {F1, F2 chan *int}
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var V6 [1]chan *int
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var V7 int
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var V8 T
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var V9 reflect.Value
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`
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tests := []struct {
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in string
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out []interface{}
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v string
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valid bool
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}{
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{`x`, []interface{}{"x"}, "V1", true},
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{`x`, []interface{}{"x"}, "V9", true},
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{`*x`, []interface{}{"x", "load"}, "V2", true},
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{`x[0]`, []interface{}{"x", "sliceelem"}, "V3", true},
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{`x[0]`, []interface{}{"x", "sliceelem"}, "V8", true},
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{`<-x`, []interface{}{"x", "recv"}, "V4", true},
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{`(<-x)[0]`, []interface{}{"x", "recv", "sliceelem"}, "V4", true},
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{`<-x.F2`, []interface{}{"x", "field", 1, "recv"}, "V5", true},
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{`<-x[0]`, []interface{}{"x", "arrayelem", "recv"}, "V6", true},
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{`x`, nil, "V7", false},
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{`y`, nil, "V1", false},
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{`x; x`, nil, "V1", false},
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{`x()`, nil, "V1", false},
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{`close(x)`, nil, "V1", false},
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}
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var conf loader.Config
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f, err := conf.ParseFile("file.go", myprog)
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if err != nil {
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t.Fatal(err)
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}
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conf.CreateFromFiles("main", f)
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lprog, err := conf.Load()
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if err != nil {
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t.Fatal(err)
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}
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pkg := lprog.Created[0].Pkg
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for _, test := range tests {
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typ := pkg.Scope().Lookup(test.v).Type()
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ops, _, err := parseExtendedQuery(typ, test.in)
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if test.valid && err != nil {
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t.Errorf("parseExtendedQuery(%q) = %s, expected no error", test.in, err)
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}
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if !test.valid && err == nil {
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t.Errorf("parseExtendedQuery(%q) succeeded, expected error", test.in)
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}
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if !reflect.DeepEqual(ops, test.out) {
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t.Errorf("parseExtendedQuery(%q) = %#v, want %#v", test.in, ops, test.out)
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}
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}
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}
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