Add benchmarks.

benches/eval_scope.rs

@@ -0,0 +1,77 @@
+#![feature(test)]
+
+///! Test evaluating with scope
+extern crate test;
+
+use rhai::{Engine, OptimizationLevel, Scope, INT};
+use test::Bencher;
+
+#[bench]
+fn bench_eval_scope_single(bench: &mut Bencher) {
+    let script = "requests_made == requests_made";
+
+    let mut engine = Engine::new();
+    engine.set_optimization_level(OptimizationLevel::None);
+
+    let mut scope = Scope::new();
+    scope.push("requests_made", 99 as INT);
+
+    let ast = engine.compile_expression(script).unwrap();
+
+    bench.iter(|| engine.consume_ast_with_scope(&mut scope, &ast).unwrap());
+}
+
+#[bench]
+fn bench_eval_scope_multiple(bench: &mut Bencher) {
+    let script = "requests_made > requests_succeeded";
+
+    let mut engine = Engine::new();
+    engine.set_optimization_level(OptimizationLevel::None);
+
+    let mut scope = Scope::new();
+    scope.push("requests_made", 99 as INT);
+    scope.push("requests_succeeded", 90 as INT);
+
+    let ast = engine.compile_expression(script).unwrap();
+
+    bench.iter(|| engine.consume_ast_with_scope(&mut scope, &ast).unwrap());
+}
+
+#[bench]
+fn bench_eval_scope_longer(bench: &mut Bencher) {
+    let script = "(requests_made * requests_succeeded / 100) >= 90";
+
+    let mut engine = Engine::new();
+    engine.set_optimization_level(OptimizationLevel::None);
+
+    let mut scope = Scope::new();
+    scope.push("requests_made", 99 as INT);
+    scope.push("requests_succeeded", 90 as INT);
+
+    let ast = engine.compile_expression(script).unwrap();
+
+    bench.iter(|| engine.consume_ast_with_scope(&mut scope, &ast).unwrap());
+}
+
+#[bench]
+fn bench_eval_scope_complex(bench: &mut Bencher) {
+    let script = r#"
+            2 > 1 &&
+            "something" != "nothing" ||
+            "2014-01-20" < "Wed Jul  8 23:07:35 MDT 2015" &&
+            Variable_name_with_spaces <= variableName &&
+            modifierTest + 1000 / 2 > (80 * 100 % 2)
+        "#;
+
+    let mut engine = Engine::new();
+    engine.set_optimization_level(OptimizationLevel::None);
+
+    let mut scope = Scope::new();
+    scope.push("Variable_name_with_spaces", 99 as INT);
+    scope.push("variableName", 90 as INT);
+    scope.push("modifierTest", 5 as INT);
+
+    let ast = engine.compile_expression(script).unwrap();
+
+    bench.iter(|| engine.consume_ast_with_scope(&mut scope, &ast).unwrap());
+}