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ethereum · Jun 8, 2023 · 57fbf17 · 57fbf17
1 parent 9e01650
commit 57fbf17
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/core/vm/instructions_test.go b/core/vm/instructions_test.go
@@ -852,6 +852,12 @@ func TestOpMCopy(t *testing.T) {
 			dst: "0x10000000000000000", src: "0x0", len: "0x1",
 			pre: "0",
 		},
+		{ // MCOPY - copy nothing from 0 to space outside of uint64
+			dst: "0x10000000000000000", src: "0x0", len: "0x0",
+			pre:     "",
+			want:    "",
+			wantGas: 3,
+		},
 		{ // MCOPY - copy 1 from 0x20 to 0x10, with no prior allocated mem
 			dst: "0x10", src: "0x20", len: "0x1",
 			pre: "",
@@ -864,7 +870,7 @@ func TestOpMCopy(t *testing.T) {
 			pre: "",
 			// 32 bytes
 			want:    "0x0000000000000000000000000000000000000000000000000000000000000000",
-			wantGas: 12,
+			wantGas: 9,
 		},
 	} {
 		var (
@@ -909,7 +915,6 @@ func TestOpMCopy(t *testing.T) {
 		}
 		// Expand mem
 		if memorySize > 0 {
-			fmt.Printf("Expanding to %d\n", memorySize)
 			mem.Resize(memorySize)
 		}
 		// Do the copy