Merge pull request #260 from oli-obk/subtests

Nest sub-tests (revisions, paths) below their main test

Author: oli-obk

examples_tests/rustc_basic/aux_attr_proc_macro.rs

@@ -0,0 +1,9 @@
+//@aux-build:proc_macro_attr.rs
+//@check-pass
+
+extern crate proc_macro_attr;
+
+#[proc_macro_attr::passthrough]
+pub fn f() {}
+
+pub fn g() {}

examples_tests/rustc_basic/aux_derive.fixed

@@ -0,0 +1,13 @@
+//@aux-build:derive_proc_macro.rs
+
+#[macro_use]
+extern crate derive_proc_macro;
+
+fn main() {
+    let mut x = Foo;
+    x = Foo;
+    //~^ ERROR: cannot assign twice
+}
+
+#[derive(Something)]
+struct Foo;

examples_tests/rustc_basic/aux_derive.rs

@@ -0,0 +1,13 @@
+//@aux-build:derive_proc_macro.rs
+
+#[macro_use]
+extern crate derive_proc_macro;
+
+fn main() {
+    let x = Foo;
+    x = Foo;
+    //~^ ERROR: cannot assign twice
+}
+
+#[derive(Something)]
+struct Foo;

examples_tests/rustc_basic/aux_derive.stderr

@@ -0,0 +1,32 @@
+warning: variable `x` is assigned to, but never used
+ --> examples_tests/rustc_basic/aux_derive.rs:7:9
+  |
+7 |     let x = Foo;
+  |         ^
+  |
+  = note: consider using `_x` instead
+  = note: `#[warn(unused_variables)]` on by default
+
+warning: value assigned to `x` is never read
+ --> examples_tests/rustc_basic/aux_derive.rs:8:5
+  |
+8 |     x = Foo;
+  |     ^
+  |
+  = help: maybe it is overwritten before being read?
+  = note: `#[warn(unused_assignments)]` on by default
+
+error[E0384]: cannot assign twice to immutable variable `x`
+ --> examples_tests/rustc_basic/aux_derive.rs:8:5
+  |
+7 |     let x = Foo;
+  |         -
+  |         |
+  |         first assignment to `x`
+  |         help: consider making this binding mutable: `mut x`
+8 |     x = Foo;
+  |     ^^^^^^^ cannot assign twice to immutable variable
+
+error: aborting due to 1 previous error; 2 warnings emitted
+
+For more information about this error, try `rustc --explain E0384`.

examples_tests/rustc_basic/aux_proc_macro.rs

@@ -0,0 +1,8 @@
+//@aux-build:the_proc_macro.rs
+
+use the_proc_macro::thing;
+
+fn main() {
+    thing!(cake);
+    //~^ ERROR: cannot find value `cake` in this scope
+}

examples_tests/rustc_basic/aux_proc_macro.stderr

@@ -0,0 +1,9 @@
+error[E0425]: cannot find value `cake` in this scope
+ --> examples_tests/rustc_basic/aux_proc_macro.rs:6:12
+  |
+6 |     thing!(cake);
+  |            ^^^^ not found in this scope
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0425`.

examples_tests/rustc_basic/auxiliary/derive_proc_macro.rs

@@ -0,0 +1,13 @@
+//@compile-flags: --emit=link -C prefer-dynamic=no
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(Something)]
+pub fn noop(_: TokenStream) -> TokenStream {
+    std::thread::sleep(std::time::Duration::from_secs(5));
+    TokenStream::new()
+}

examples_tests/rustc_basic/auxiliary/proc_macro_attr.rs

@@ -0,0 +1,9 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_attribute]
+pub fn passthrough(_: TokenStream, item: TokenStream) -> TokenStream {
+    std::thread::sleep(std::time::Duration::from_secs(5));
+    item
+}

examples_tests/rustc_basic/auxiliary/the_proc_macro.rs

@@ -0,0 +1,11 @@
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro]
+pub fn thing(input: TokenStream) -> TokenStream {
+    std::thread::sleep(std::time::Duration::from_secs(5));
+    input
+}

examples_tests/rustc_basic/executable.rs

@@ -0,0 +1,5 @@
+//@run
+
+fn main() {
+    std::thread::sleep(std::time::Duration::from_secs(5));
+}