decimal: reduce corpus to improve performace

govalues · Aug 12, 2023 · a72a490 · a72a490
1 parent b3f91ea
commit a72a490
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Showing 2 changed files with 14 additions and 22 deletions.
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
@@ -69,7 +69,7 @@ jobs:
       run: go test -fuzztime 20s -fuzz ^FuzzDecimal_Mul_FintVsSint$ github.com/govalues/decimal
 
     - name: Run fuzzing for fused multiply-addidtion
-      run: go test -fuzztime 20s -fuzz ^FuzzDecimal_FMA_FintVsSint$ github.com/govalues/decimal
+      run: go test -fuzztime 40s -fuzz ^FuzzDecimal_FMA_FintVsSint$ github.com/govalues/decimal
 
     - name: Run fuzzing for division
       run: go test -fuzztime 20s -fuzz ^FuzzDecimal_Quo_FintVsSint$ github.com/govalues/decimal

diff --git a/decimal_test.go b/decimal_test.go
@@ -2333,32 +2333,24 @@ var corpus = []struct {
 	scale int
 	coef  uint64
 }{
-	{false, 0, 9999999999999999999},
-	{false, 1, 9999999999999999999},
-	{false, 0, 1000000000000000000},
-	{false, 19, 9999999999999999999},
-	{false, 0, 7},
-	{false, 0, 3},
-	{false, 0, 2},
+	// zero
+	{false, 0, 0},
+
+	// positive
 	{false, 0, 1},
-	{false, 18, 1000000000000000001},
+	{false, 0, 3},
+	{false, 0, 9999999999999999999},
 	{false, 19, 3},
-	{false, 19, 2},
 	{false, 19, 1},
-	{false, 0, 0},
-	{false, 19, 0},
-	{true, 0, 9999999999999999999},
-	{true, 1, 9999999999999999999},
-	{true, 0, 1000000000000000000},
-	{true, 19, 9999999999999999999},
-	{true, 0, 7},
-	{true, 0, 3},
-	{true, 0, 2},
+	{false, 19, 9999999999999999999},
+
+	// negative
 	{true, 0, 1},
-	{true, 18, 1000000000000000001},
-	{true, 19, 3},
-	{true, 19, 2},
+	{true, 0, 3},
+	{true, 0, 9999999999999999999},
 	{true, 19, 1},
+	{true, 19, 3},
+	{true, 19, 9999999999999999999},
 }
 
 func FuzzParse(f *testing.F) {