60 lines
995 B
Go
60 lines
995 B
Go
package compiler
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import "testing"
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func TestDefine(t *testing.T) {
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expected := map[string]Symbol{
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"a": {
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Name: "a",
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Scope: GlobalScope,
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Index: 0,
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},
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"b": {
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Name: "b",
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Scope: GlobalScope,
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Index: 1,
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},
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}
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global := NewSymbolTable()
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a := global.Define("a")
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if a != expected["a"] {
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t.Errorf("expected a=%+v, got=%+v", expected["a"], a)
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}
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b := global.Define("b")
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if b != expected["b"] {
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t.Errorf("expected b=%+v, got=%+v", expected["b"], b)
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}
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}
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func TestResolveGlobal(t *testing.T) {
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global := NewSymbolTable()
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global.Define("a")
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global.Define("b")
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expected := []Symbol{
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Symbol{
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Name: "a",
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Scope: GlobalScope,
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Index: 0,
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},
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Symbol{
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Name: "b",
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Scope: GlobalScope,
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Index: 1,
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},
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}
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for _, sym := range expected {
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result, ok := global.Resolve(sym.Name)
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if !ok {
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t.Errorf("name %s not resolvable", sym.Name)
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}
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if result != sym {
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t.Errorf("expected %s to resolve to %+v, got=%+v", sym.Name, sym, result)
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}
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}
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}
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