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-rw-r--r--src/test/incremental/change_private_fn/struct_point.rs104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/test/incremental/change_private_fn/struct_point.rs b/src/test/incremental/change_private_fn/struct_point.rs
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+++ b/src/test/incremental/change_private_fn/struct_point.rs
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+// Test where we change the body of a private method in an impl.
+// We then test what sort of functions must be rebuilt as a result.
+
+// revisions:cfail1 cfail2
+// compile-flags: -Z query-dep-graph
+// build-pass (FIXME(62277): could be check-pass?)
+
+#![feature(rustc_attrs)]
+#![feature(stmt_expr_attributes)]
+#![allow(dead_code)]
+#![crate_type = "rlib"]
+
+#![rustc_partition_codegened(module="struct_point-point", cfg="cfail2")]
+
+#![rustc_partition_reused(module="struct_point-fn_calls_methods_in_same_impl", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_calls_methods_in_another_impl", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_make_struct", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_read_field", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_write_field", cfg="cfail2")]
+
+pub mod point {
+ pub struct Point {
+ pub x: f32,
+ pub y: f32,
+ }
+
+ fn distance_squared(this: &Point) -> f32 {
+ #[cfg(cfail1)]
+ return this.x + this.y;
+
+ #[cfg(cfail2)]
+ return this.x * this.x + this.y * this.y;
+ }
+
+ impl Point {
+ pub fn distance_from_origin(&self) -> f32 {
+ distance_squared(self).sqrt()
+ }
+ }
+
+ impl Point {
+ pub fn translate(&mut self, x: f32, y: f32) {
+ self.x += x;
+ self.y += y;
+ }
+ }
+
+}
+
+/// A fn item that calls (public) methods on `Point` from the same impl which changed
+pub mod fn_calls_methods_in_same_impl {
+ use point::Point;
+
+ // The cached result should actually be loaded from disk
+ // (not just marked green) - for example, `DeadVisitor`
+ // always runs during compilation as a "pass", and loads
+ // the typeck results for bodies.
+ #[rustc_clean(cfg="cfail2", loaded_from_disk="typeck")]
+ pub fn check() {
+ let x = Point { x: 2.0, y: 2.0 };
+ x.distance_from_origin();
+ }
+}
+
+/// A fn item that calls (public) methods on `Point` from another impl
+pub mod fn_calls_methods_in_another_impl {
+ use point::Point;
+
+ #[rustc_clean(cfg="cfail2")]
+ pub fn check() {
+ let mut x = Point { x: 2.0, y: 2.0 };
+ x.translate(3.0, 3.0);
+ }
+}
+
+/// A fn item that makes an instance of `Point` but does not invoke methods
+pub mod fn_make_struct {
+ use point::Point;
+
+ #[rustc_clean(cfg="cfail2")]
+ pub fn make_origin() -> Point {
+ Point { x: 2.0, y: 2.0 }
+ }
+}
+
+/// A fn item that reads fields from `Point` but does not invoke methods
+pub mod fn_read_field {
+ use point::Point;
+
+ #[rustc_clean(cfg="cfail2")]
+ pub fn get_x(p: Point) -> f32 {
+ p.x
+ }
+}
+
+/// A fn item that writes to a field of `Point` but does not invoke methods
+pub mod fn_write_field {
+ use point::Point;
+
+ #[rustc_clean(cfg="cfail2")]
+ pub fn inc_x(p: &mut Point) {
+ p.x += 1.0;
+ }
+}