From 9e4958a3e6c48630b777244adad80d1381ada32a Mon Sep 17 00:00:00 2001
From: Will Crichton <wcrichto@cs.stanford.edu>
Date: Fri, 8 Oct 2021 17:56:42 -0700
Subject: [PATCH] Add test for prev/back arrows + examples across multiple
 files

---
 .../rustdoc-scrape-examples-multiple/Makefile | 21 +++++++++++++++++++
 .../examples/ex.rs                            |  4 ++++
 .../examples/ex2.rs                           |  3 +++
 .../src/lib.rs                                |  4 ++++
 4 files changed, 32 insertions(+)
 create mode 100644 src/test/run-make/rustdoc-scrape-examples-multiple/Makefile
 create mode 100644 src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex.rs
 create mode 100644 src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex2.rs
 create mode 100644 src/test/run-make/rustdoc-scrape-examples-multiple/src/lib.rs

diff --git a/src/test/run-make/rustdoc-scrape-examples-multiple/Makefile b/src/test/run-make/rustdoc-scrape-examples-multiple/Makefile
new file mode 100644
index 00000000000..68d78ae3017
--- /dev/null
+++ b/src/test/run-make/rustdoc-scrape-examples-multiple/Makefile
@@ -0,0 +1,21 @@
+-include ../../run-make-fulldeps/tools.mk
+
+OUTPUT_DIR := "$(TMPDIR)/rustdoc"
+
+all: $(TMPDIR)/ex.calls $(TMPDIR)/ex2.calls
+	$(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --output $(OUTPUT_DIR) \
+		-Z unstable-options \
+		--with-examples $(TMPDIR)/ex.calls \
+		--with-examples $(TMPDIR)/ex2.calls
+
+	$(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs
+
+$(TMPDIR)/%.calls: $(TMPDIR)/libfoobar.rmeta
+	$(RUSTDOC) examples/$*.rs --crate-name $* --crate-type bin --output $(OUTPUT_DIR) \
+	  --extern foobar=$(TMPDIR)/libfoobar.rmeta \
+		-Z unstable-options \
+		--scrape-examples-output-path $@ \
+		--scrape-examples-target-crate foobar
+
+$(TMPDIR)/lib%.rmeta: src/lib.rs
+	$(RUSTC) src/lib.rs --crate-name $* --crate-type lib --emit=metadata
diff --git a/src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex.rs b/src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex.rs
new file mode 100644
index 00000000000..01b730c6149
--- /dev/null
+++ b/src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex.rs
@@ -0,0 +1,4 @@
+fn main() {
+    foobar::ok();
+    foobar::ok();
+}
diff --git a/src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex2.rs b/src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex2.rs
new file mode 100644
index 00000000000..f83cf2f2709
--- /dev/null
+++ b/src/test/run-make/rustdoc-scrape-examples-multiple/examples/ex2.rs
@@ -0,0 +1,3 @@
+fn main() {
+    foobar::ok();
+}
diff --git a/src/test/run-make/rustdoc-scrape-examples-multiple/src/lib.rs b/src/test/run-make/rustdoc-scrape-examples-multiple/src/lib.rs
new file mode 100644
index 00000000000..b26122a37e2
--- /dev/null
+++ b/src/test/run-make/rustdoc-scrape-examples-multiple/src/lib.rs
@@ -0,0 +1,4 @@
+// @has foobar/fn.ok.html '//*[@class="prev"]' ''
+// @has foobar/fn.ok.html '//*[@class="more-scraped-examples"]' ''
+
+pub fn ok() {}