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-rw-r--r--vendor/bitflags/benches/parse.rs96
1 files changed, 96 insertions, 0 deletions
diff --git a/vendor/bitflags/benches/parse.rs b/vendor/bitflags/benches/parse.rs
new file mode 100644
index 0000000..caa9203
--- /dev/null
+++ b/vendor/bitflags/benches/parse.rs
@@ -0,0 +1,96 @@
+#![feature(test)]
+
+extern crate test;
+
+use std::{
+ fmt::{self, Display},
+ str::FromStr,
+};
+
+bitflags::bitflags! {
+ struct Flags10: u32 {
+ const A = 0b0000_0000_0000_0001;
+ const B = 0b0000_0000_0000_0010;
+ const C = 0b0000_0000_0000_0100;
+ const D = 0b0000_0000_0000_1000;
+ const E = 0b0000_0000_0001_0000;
+ const F = 0b0000_0000_0010_0000;
+ const G = 0b0000_0000_0100_0000;
+ const H = 0b0000_0000_1000_0000;
+ const I = 0b0000_0001_0000_0000;
+ const J = 0b0000_0010_0000_0000;
+ }
+}
+
+impl FromStr for Flags10 {
+ type Err = bitflags::parser::ParseError;
+
+ fn from_str(flags: &str) -> Result<Self, Self::Err> {
+ Ok(Flags10(flags.parse()?))
+ }
+}
+
+impl Display for Flags10 {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ Display::fmt(&self.0, f)
+ }
+}
+
+#[bench]
+fn format_flags_1_present(b: &mut test::Bencher) {
+ b.iter(|| Flags10::J.to_string())
+}
+
+#[bench]
+fn format_flags_5_present(b: &mut test::Bencher) {
+ b.iter(|| (Flags10::F | Flags10::G | Flags10::H | Flags10::I | Flags10::J).to_string())
+}
+
+#[bench]
+fn format_flags_10_present(b: &mut test::Bencher) {
+ b.iter(|| {
+ (Flags10::A
+ | Flags10::B
+ | Flags10::C
+ | Flags10::D
+ | Flags10::E
+ | Flags10::F
+ | Flags10::G
+ | Flags10::H
+ | Flags10::I
+ | Flags10::J)
+ .to_string()
+ })
+}
+
+#[bench]
+fn parse_flags_1_10(b: &mut test::Bencher) {
+ b.iter(|| {
+ let flags: Flags10 = "J".parse().unwrap();
+ flags
+ })
+}
+
+#[bench]
+fn parse_flags_5_10(b: &mut test::Bencher) {
+ b.iter(|| {
+ let flags: Flags10 = "F | G | H | I | J".parse().unwrap();
+ flags
+ })
+}
+
+#[bench]
+fn parse_flags_10_10(b: &mut test::Bencher) {
+ b.iter(|| {
+ let flags: Flags10 = "A | B | C | D | E | F | G | H | I | J".parse().unwrap();
+ flags
+ })
+}
+
+#[bench]
+fn parse_flags_1_10_hex(b: &mut test::Bencher) {
+ b.iter(|| {
+ let flags: Flags10 = "0xFF".parse().unwrap();
+ flags
+ })
+}