add test

src/test/rustdoc-ui/no-run-flag.rs

@@ -0,0 +1,38 @@
+// test the behavior of the --no-run flag
+
+// check-pass
+// compile-flags:-Z unstable-options --test --no-run --test-args=--test-threads=1
+// normalize-stdout-test: "src/test/rustdoc-ui" -> "$$DIR"
+// normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME"
+
+/// ```
+/// let a = true;
+/// ```
+/// ```should_panic
+/// panic!()
+/// ```
+/// ```ignore
+/// fn foo() {
+/// ```
+/// ```no_run
+/// loop {
+///     println!("Hello, world");
+/// }
+/// ```
+/// fails to compile
+/// ```compile_fail
+/// let x = 5;
+/// x += 2; // shouldn't compile!
+/// ```
+/// Ok the test does not run
+/// ```
+/// panic!()
+/// ```
+/// Ok the test does not run
+/// ```should_panic
+/// loop {
+///     println!("Hello, world");
+/// panic!()
+/// }
+/// ```
+pub fn f() {}

src/test/rustdoc-ui/no-run-flag.stdout

@@ -0,0 +1,12 @@
+
+running 7 tests
+test $DIR/no-run-flag.rs - f (line 11) ... ok
+test $DIR/no-run-flag.rs - f (line 14) ... ignored
+test $DIR/no-run-flag.rs - f (line 17) ... ok
+test $DIR/no-run-flag.rs - f (line 23) ... ok
+test $DIR/no-run-flag.rs - f (line 28) ... ok
+test $DIR/no-run-flag.rs - f (line 32) ... ok
+test $DIR/no-run-flag.rs - f (line 8) ... ok
+
+test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in $TIME
+