[benchmark] Add swapped Set.*.Empty variants

Let’s also test Empty sets as the right-hand side parameter.

Author: palimondo

benchmark/single-source/SetTests.swift

@@ -62,6 +62,11 @@ public let SetTests = [
     runFunction: { n in run_SetIsSubsetInt(setE, setAB, true, 5000 * n) },
     tags: [.validation, .api, .Set],
     setUpFunction: { blackHole([setE, setAB]) }),
+  BenchmarkInfo(
+    name: "Set.isSubset.Int0.Empty",
+    runFunction: { n in run_SetIsSubsetInt(setAB, setE, false, 5000 * n) },
+    tags: [.validation, .api, .Set],
+    setUpFunction: { blackHole([setAB, setE]) }),
   BenchmarkInfo(
     name: "SetIsSubsetInt0",
     runFunction: { n in run_SetIsSubsetInt(setAB, setCD, false, 5000 * n) },
@@ -98,11 +103,21 @@ public let SetTests = [
     runFunction: { n in run_SetIsDisjointInt(setE, setAB, true, 50 * n) },
     tags: [.validation, .api, .Set],
     setUpFunction: { blackHole([setE, setAB]) }),
+  BenchmarkInfo(
+    name: "Set.isDisjoint.Int0.Empty",
+    runFunction: { n in run_SetIsDisjointInt(setAB, setE, true, 50 * n) },
+    tags: [.validation, .api, .Set],
+    setUpFunction: { blackHole([setAB, setE]) }),
   BenchmarkInfo(
     name: "Set.isDisjoint.Empty.Box0",
     runFunction: { n in run_SetIsDisjointBox(setOE, setOAB, true, 50 * n) },
     tags: [.validation, .api, .Set],
     setUpFunction: { blackHole([setOE, setOAB]) }),
+  BenchmarkInfo(
+    name: "Set.isDisjoint.Box0.Empty",
+    runFunction: { n in run_SetIsDisjointBox(setOAB, setOE, true, 50 * n) },
+    tags: [.validation, .api, .Set],
+    setUpFunction: { blackHole([setOAB, setOE]) }),
   BenchmarkInfo(
     name: "Set.isDisjoint.Int0",
     runFunction: { n in run_SetIsDisjointInt(setAB, setCD, true, 50 * n) },
@@ -232,11 +247,21 @@ public let SetTests = [
     runFunction: { n in run_SetSubtractingInt(setE, setAB, 0, 10 * n) },
     tags: [.validation, .api, .Set],
     setUpFunction: { blackHole([setE, setAB]) }),
+  BenchmarkInfo(
+    name: "Set.subtracting.Int0.Empty",
+    runFunction: { n in run_SetSubtractingInt(setAB, setE, countAB, 10 * n) },
+    tags: [.validation, .api, .Set],
+    setUpFunction: { blackHole([setAB, setE]) }),
   BenchmarkInfo(
     name: "Set.subtracting.Empty.Box0",
     runFunction: { n in run_SetSubtractingBox(setOE, setOAB, 0, 10 * n) },
     tags: [.validation, .api, .Set],
     setUpFunction: { blackHole([setOE, setOAB]) }),
+  BenchmarkInfo(
+    name: "Set.subtracting.Box0.Empty",
+    runFunction: { n in run_SetSubtractingBox(setOAB, setOE, countAB, 10 * n) },
+    tags: [.validation, .api, .Set],
+    setUpFunction: { blackHole([setOAB, setOE]) }),
   BenchmarkInfo(
     name: "SetSubtractingInt0",
     runFunction: { n in run_SetSubtractingInt(setAB, setCD, countAB, 10 * n) },