Vendor dependencies for 0.3.0 release

vendor/regex-syntax/test

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -e
+
+# cd to the directory containing this crate's Cargo.toml so that we don't need
+# to pass --manifest-path to every `cargo` command.
+cd "$(dirname "$0")"
+
+# This is a convenience script for running a broad swath of the syntax tests.
+echo "===== DEFAULT FEATURES ==="
+cargo test
+
+features=(
+    std
+    unicode
+    unicode-age
+    unicode-bool
+    unicode-case
+    unicode-gencat
+    unicode-perl
+    unicode-script
+    unicode-segment
+)
+for f in "${features[@]}"; do
+    echo "=== FEATURE: $f ==="
+    # We only run library tests because I couldn't figure out how to easily
+    # make doc tests run in 'no_std' mode. In particular, without the Error
+    # trait, using '?' in doc tests seems tricky.
+    cargo test --no-default-features --lib --features "$f"
+done