acc: results test

Updates #129

acc/results_test.go

@@ -0,0 +1,74 @@
+package acc
+
+import (
+	"testing"
+
+	"github.com/mmcloughlin/addchain/acc/eval"
+	"github.com/mmcloughlin/addchain/acc/pass"
+	"github.com/mmcloughlin/addchain/alg/ensemble"
+	"github.com/mmcloughlin/addchain/alg/exec"
+	"github.com/mmcloughlin/addchain/internal/bigint"
+	"github.com/mmcloughlin/addchain/internal/results"
+	"github.com/mmcloughlin/addchain/internal/test"
+)
+
+func TestResults(t *testing.T) {
+	timer := test.Start()
+	as := ensemble.Ensemble()
+	for _, c := range results.Results {
+		c := c // scopelint
+		t.Run(c.Slug, func(t *testing.T) {
+			timer.Check(t)
+
+			// Execute.
+			ex := exec.NewParallel()
+			rs := ex.Execute(c.Target(), as)
+
+			// Check each result.
+			for _, r := range rs {
+				if r.Err != nil {
+					t.Fatalf("error with %s: %v", r.Algorithm, r.Err)
+				}
+
+				// Decompile into IR.
+				p, err := Decompile(r.Program)
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				// Allocate.
+				a := pass.Allocator{
+					Input:  "x",
+					Output: "z",
+					Format: "t%d",
+				}
+				if err := a.Execute(p); err != nil {
+					t.Fatal(err)
+				}
+
+				// Evaluate.
+				i := eval.NewInterpreter()
+				x := bigint.One()
+				i.Store(a.Input, x)
+				i.Store(a.Output, x)
+
+				if err := i.Execute(p); err != nil {
+					t.Fatal(err)
+				}
+
+				// Verify output.
+				output, ok := i.Load(a.Output)
+				if !ok {
+					t.Fatalf("missing output variable %q", a.Output)
+				}
+
+				expect := r.Chain.End()
+
+				if !bigint.Equal(output, expect) {
+					t.FailNow()
+				}
+
+			}
+		})
+	}
+}