Update upstream source from tag 'upstream/1.52.1+dfsg1'

[rustc.git] / src / tools / clippy / util / cov.sh

diff --git a/src/tools/clippy/util/cov.sh b/src/tools/clippy/util/cov.sh
new file mode 100755 (executable)
index 0000000..3f9a6b0
--- /dev/null
+++ b/src/tools/clippy/util/cov.sh
@@ -0,0 +1,37 @@
+#!/usr/bin/bash
+
+# This run `kcov` on Clippy. The coverage report will be at
+# `./target/cov/index.html`.
+# `compile-test` is special. `kcov` does not work directly on it so these files
+# are compiled manually.
+
+tests=$(find tests/ -maxdepth 1 -name '*.rs' ! -name compile-test.rs -exec basename {} .rs \;)
+tmpdir=$(mktemp -d)
+
+cargo test --no-run --verbose
+
+for t in $tests; do
+  kcov \
+    --verify \
+    --include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \
+    "$tmpdir/$t" \
+    cargo test --test "$t"
+done
+
+for t in ./tests/compile-fail/*.rs; do
+  kcov \
+    --verify \
+    --include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \
+    "$tmpdir/compile-fail-$(basename "$t")" \
+    cargo run -- -L target/debug -L target/debug/deps -Z no-trans "$t"
+done
+
+for t in ./tests/run-pass/*.rs; do
+  kcov \
+    --verify \
+    --include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \
+    "$tmpdir/run-pass-$(basename "$t")" \
+    cargo run -- -L target/debug -L target/debug/deps -Z no-trans "$t"
+done
+
+kcov --verify --merge target/cov "$tmpdir"/*