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-rw-r--r--tests/run-make/rustdoc-default-output/output-default.stdout17
-rw-r--r--tests/rustdoc-ui/projection-as-union-type-error.rs14
-rw-r--r--tests/rustdoc-ui/projection-as-union-type-error.stderr15
-rw-r--r--tests/rustdoc-ui/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs23
-rw-r--r--tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/quebec.rs5
-rw-r--r--tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/tango.rs8
-rw-r--r--tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/sierra.rs25
-rw-r--r--tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/quebec.rs7
-rw-r--r--tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/romeo.rs10
-rw-r--r--tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/sierra.rs11
-rw-r--r--tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/tango.rs10
-rw-r--r--tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/indigo.rs35
-rw-r--r--tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/quebec.rs6
-rw-r--r--tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/tango.rs9
-rw-r--r--tests/rustdoc/merge-cross-crate-info/no-merge-separate/sierra.rs17
-rw-r--r--tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/quebec.rs6
-rw-r--r--tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/tango.rs9
-rw-r--r--tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/sierra.rs18
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/quebec.rs6
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/tango.rs9
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite-but-include/sierra.rs22
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/quebec.rs7
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/tango.rs10
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/sierra.rs25
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/quebec.rs5
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/tango.rs8
-rw-r--r--tests/rustdoc/merge-cross-crate-info/overwrite/sierra.rs20
-rw-r--r--tests/rustdoc/merge-cross-crate-info/single-crate-finalize/quebec.rs13
-rw-r--r--tests/rustdoc/merge-cross-crate-info/single-crate-read-write/quebec.rs12
-rw-r--r--tests/rustdoc/merge-cross-crate-info/single-crate-write-anyway/quebec.rs13
-rw-r--r--tests/rustdoc/merge-cross-crate-info/single-merge-none-useless-write/quebec.rs11
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/quebec.rs5
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/tango.rs8
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-finalize/sierra.rs20
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/quebec.rs6
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/tango.rs9
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-merge-none/sierra.rs27
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/quebec.rs5
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/tango.rs8
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/sierra.rs25
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/quebec.rs5
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/tango.rs8
-rw-r--r--tests/rustdoc/merge-cross-crate-info/transitive-no-info/sierra.rs17
-rw-r--r--tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/auxiliary/foxtrot.rs5
-rw-r--r--tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/echo.rs16
45 files changed, 570 insertions, 0 deletions
diff --git a/tests/run-make/rustdoc-default-output/output-default.stdout b/tests/run-make/rustdoc-default-output/output-default.stdout
index bc38d9e9dc6..125443ce619 100644
--- a/tests/run-make/rustdoc-default-output/output-default.stdout
+++ b/tests/run-make/rustdoc-default-output/output-default.stdout
@@ -172,6 +172,23 @@ Options:
         --scrape-tests  Include test code when scraping examples
         --with-examples path to function call information (for displaying examples in the documentation)
                         
+        --merge none|shared|finalize
+                        Controls how rustdoc handles files from previously
+                        documented crates in the doc root
+                        none = Do not write cross-crate information to the
+                        --out-dir
+                        shared = Append current crate's info to files found in
+                        the --out-dir
+                        finalize = Write current crate's info and
+                        --include-parts-dir info to the --out-dir, overwriting
+                        conflicting files
+        --parts-out-dir path/to/doc.parts/<crate-name>
+                        Writes trait implementations and other info for the
+                        current crate to provided path. Only use with
+                        --merge=none
+        --include-parts-dir path/to/doc.parts/<crate-name>
+                        Includes trait implementations and other crate info
+                        from provided path. Only use with --merge=finalize
         --disable-minification 
                         removed
         --plugin-path DIR
diff --git a/tests/rustdoc-ui/projection-as-union-type-error.rs b/tests/rustdoc-ui/projection-as-union-type-error.rs
new file mode 100644
index 00000000000..d1d2e72249d
--- /dev/null
+++ b/tests/rustdoc-ui/projection-as-union-type-error.rs
@@ -0,0 +1,14 @@
+// Test to ensure that there is no ICE when normalizing a projection.
+// See also <https://github.com/rust-lang/rust/pull/106938>.
+// issue: rust-lang/rust#107872
+
+pub trait Identity {
+    type Identity;
+}
+
+pub type Foo = u8;
+
+pub union Bar {
+    a:  <Foo as Identity>::Identity, //~ ERROR the trait bound `u8: Identity` is not satisfied
+    b: u8,
+}
diff --git a/tests/rustdoc-ui/projection-as-union-type-error.stderr b/tests/rustdoc-ui/projection-as-union-type-error.stderr
new file mode 100644
index 00000000000..32598015864
--- /dev/null
+++ b/tests/rustdoc-ui/projection-as-union-type-error.stderr
@@ -0,0 +1,15 @@
+error[E0277]: the trait bound `u8: Identity` is not satisfied
+  --> $DIR/projection-as-union-type-error.rs:12:9
+   |
+LL |     a:  <Foo as Identity>::Identity,
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Identity` is not implemented for `u8`
+   |
+help: this trait has no implementations, consider adding one
+  --> $DIR/projection-as-union-type-error.rs:5:1
+   |
+LL | pub trait Identity {
+   | ^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/rustdoc-ui/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs b/tests/rustdoc-ui/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs
new file mode 100644
index 00000000000..9f8053d5538
--- /dev/null
+++ b/tests/rustdoc-ui/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs
@@ -0,0 +1,23 @@
+// issue: rust-lang/rust#98250
+//@ check-pass
+
+#![feature(type_alias_impl_trait)]
+
+mod foo {
+    pub type Foo = impl PartialEq<(Foo, i32)>;
+
+    fn foo() -> Foo {
+        super::Bar
+    }
+}
+use foo::Foo;
+
+struct Bar;
+
+impl PartialEq<(Foo, i32)> for Bar {
+    fn eq(&self, _other: &(Foo, i32)) -> bool {
+        true
+    }
+}
+
+fn main() {}
diff --git a/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/quebec.rs
new file mode 100644
index 00000000000..fdafb3b7ac3
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/quebec.rs
@@ -0,0 +1,5 @@
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/tango.rs
new file mode 100644
index 00000000000..ff12fe98d82
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/auxiliary/tango.rs
@@ -0,0 +1,8 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/sierra.rs b/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/sierra.rs
new file mode 100644
index 00000000000..665f9567ba2
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/cargo-transitive-read-write/sierra.rs
@@ -0,0 +1,25 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has index.html '//ul[@class="all-items"]//a[@href="sierra/index.html"]' 'sierra'
+//@ has index.html '//ul[@class="all-items"]//a[@href="tango/index.html"]' 'tango'
+//@ has quebec/struct.Quebec.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Tango'
+//@ hasraw search-index.js 'Sierra'
+//@ hasraw search-index.js 'Quebec'
+
+// similar to cargo-workflow-transitive, but we use --merge=read-write,
+// which is the default.
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/quebec.rs
new file mode 100644
index 00000000000..d10bc0316cc
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/quebec.rs
@@ -0,0 +1,7 @@
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/romeo.rs b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/romeo.rs
new file mode 100644
index 00000000000..6d0c8651db5
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/romeo.rs
@@ -0,0 +1,10 @@
+//@ aux-build:sierra.rs
+//@ build-aux-docs
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/romeo
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate sierra;
+pub type Romeo = sierra::Sierra;
diff --git a/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/sierra.rs b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/sierra.rs
new file mode 100644
index 00000000000..10898f38864
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/sierra.rs
@@ -0,0 +1,11 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/sierra
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/tango.rs
new file mode 100644
index 00000000000..3c3721ee6eb
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/auxiliary/tango.rs
@@ -0,0 +1,10 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/tango
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/indigo.rs b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/indigo.rs
new file mode 100644
index 00000000000..f03f6bd6026
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/kitchen-sink-separate-dirs/indigo.rs
@@ -0,0 +1,35 @@
+//@ aux-build:tango.rs
+//@ aux-build:romeo.rs
+//@ aux-build:quebec.rs
+//@ aux-build:sierra.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--include-parts-dir=info/doc.parts/tango
+//@ doc-flags:--include-parts-dir=info/doc.parts/romeo
+//@ doc-flags:--include-parts-dir=info/doc.parts/quebec
+//@ doc-flags:--include-parts-dir=info/doc.parts/sierra
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html
+//@ has index.html '//ul[@class="all-items"]//a[@href="indigo/index.html"]' 'indigo'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has index.html '//ul[@class="all-items"]//a[@href="romeo/index.html"]' 'romeo'
+//@ has index.html '//ul[@class="all-items"]//a[@href="sierra/index.html"]' 'sierra'
+//@ has index.html '//ul[@class="all-items"]//a[@href="tango/index.html"]' 'tango'
+//@ !has quebec/struct.Quebec.html
+//@ !has romeo/type.Romeo.html
+//@ !has sierra/struct.Sierra.html
+//@ !has tango/trait.Tango.html
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Quebec'
+//@ hasraw search-index.js 'Romeo'
+//@ hasraw search-index.js 'Sierra'
+//@ hasraw search-index.js 'Tango'
+//@ has type.impl/sierra/struct.Sierra.js
+//@ hasraw type.impl/sierra/struct.Sierra.js 'Tango'
+//@ hasraw type.impl/sierra/struct.Sierra.js 'Romeo'
+
+// document everything in the default mode, there are separate out
+// directories that are linked together
diff --git a/tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/quebec.rs
new file mode 100644
index 00000000000..61210529fa6
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/quebec.rs
@@ -0,0 +1,6 @@
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/tango.rs
new file mode 100644
index 00000000000..70d8a4b91f5
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/no-merge-separate/auxiliary/tango.rs
@@ -0,0 +1,9 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/no-merge-separate/sierra.rs b/tests/rustdoc/merge-cross-crate-info/no-merge-separate/sierra.rs
new file mode 100644
index 00000000000..7eac207e518
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/no-merge-separate/sierra.rs
@@ -0,0 +1,17 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ !has index.html
+//@ has sierra/struct.Sierra.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ !has trait.impl/tango/trait.Tango.js
+//@ !has search-index.js
+
+// we don't generate any cross-crate info if --merge=none, even if we
+// document crates separately
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/quebec.rs
new file mode 100644
index 00000000000..6ab921533b0
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/quebec.rs
@@ -0,0 +1,6 @@
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/tango.rs
new file mode 100644
index 00000000000..9fa99d3be8a
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/auxiliary/tango.rs
@@ -0,0 +1,9 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/tango
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/sierra.rs b/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/sierra.rs
new file mode 100644
index 00000000000..f3340a80c84
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/no-merge-write-anyway/sierra.rs
@@ -0,0 +1,18 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/sierra
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ !has index.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ !has trait.impl/tango/trait.Tango.js
+//@ !has search-index.js
+
+// we --merge=none, so --parts-out-dir doesn't do anything
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/quebec.rs
new file mode 100644
index 00000000000..6ab921533b0
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/quebec.rs
@@ -0,0 +1,6 @@
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/tango.rs
new file mode 100644
index 00000000000..9fa99d3be8a
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/auxiliary/tango.rs
@@ -0,0 +1,9 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/tango
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/sierra.rs b/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/sierra.rs
new file mode 100644
index 00000000000..8eb0f1d0498
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite-but-include/sierra.rs
@@ -0,0 +1,22 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--include-parts-dir=info/doc.parts/tango
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has quebec/struct.Quebec.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Tango'
+//@ hasraw search-index.js 'Sierra'
+//@ !hasraw search-index.js 'Quebec'
+
+// we overwrite quebec and tango's cross-crate information, but we
+// include the info from tango meaning that it should appear in the out
+// dir
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/quebec.rs
new file mode 100644
index 00000000000..d10bc0316cc
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/quebec.rs
@@ -0,0 +1,7 @@
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/tango.rs
new file mode 100644
index 00000000000..3c3721ee6eb
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/auxiliary/tango.rs
@@ -0,0 +1,10 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ unique-doc-out-dir
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/tango
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/sierra.rs b/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/sierra.rs
new file mode 100644
index 00000000000..4ee036238b4
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite-but-separate/sierra.rs
@@ -0,0 +1,25 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--include-parts-dir=info/doc.parts/tango
+//@ doc-flags:--include-parts-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has index.html '//ul[@class="all-items"]//a[@href="sierra/index.html"]' 'sierra'
+//@ has index.html '//ul[@class="all-items"]//a[@href="tango/index.html"]' 'tango'
+//@ has sierra/struct.Sierra.html
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Tango'
+//@ hasraw search-index.js 'Sierra'
+//@ hasraw search-index.js 'Quebec'
+
+// If these were documeted into the same directory, the info would be
+// overwritten. However, since they are merged, we can still recover all
+// of the cross-crate information
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/quebec.rs
new file mode 100644
index 00000000000..0e28d8e6466
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/quebec.rs
@@ -0,0 +1,5 @@
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/tango.rs
new file mode 100644
index 00000000000..363b2d5508e
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite/auxiliary/tango.rs
@@ -0,0 +1,8 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/overwrite/sierra.rs b/tests/rustdoc/merge-cross-crate-info/overwrite/sierra.rs
new file mode 100644
index 00000000000..11e61dd2744
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/overwrite/sierra.rs
@@ -0,0 +1,20 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has quebec/struct.Quebec.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Tango'
+//@ hasraw search-index.js 'Sierra'
+//@ !hasraw search-index.js 'Quebec'
+
+// since tango is documented with --merge=finalize, we overwrite q's
+// cross-crate information
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/single-crate-finalize/quebec.rs b/tests/rustdoc/merge-cross-crate-info/single-crate-finalize/quebec.rs
new file mode 100644
index 00000000000..09bb78c06f1
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/single-crate-finalize/quebec.rs
@@ -0,0 +1,13 @@
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has quebec/struct.Quebec.html
+//@ hasraw search-index.js 'Quebec'
+
+// there is nothing to read from the output directory if we use a single
+// crate
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/single-crate-read-write/quebec.rs b/tests/rustdoc/merge-cross-crate-info/single-crate-read-write/quebec.rs
new file mode 100644
index 00000000000..72475426f6e
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/single-crate-read-write/quebec.rs
@@ -0,0 +1,12 @@
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has quebec/struct.Quebec.html
+//@ hasraw search-index.js 'Quebec'
+
+// read-write is the default and this does the same as `single-crate`
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/single-crate-write-anyway/quebec.rs b/tests/rustdoc/merge-cross-crate-info/single-crate-write-anyway/quebec.rs
new file mode 100644
index 00000000000..b20e173a830
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/single-crate-write-anyway/quebec.rs
@@ -0,0 +1,13 @@
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has quebec/struct.Quebec.html
+//@ hasraw search-index.js 'Quebec'
+
+// we can --parts-out-dir, but that doesn't do anything other than create
+// the file
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/single-merge-none-useless-write/quebec.rs b/tests/rustdoc/merge-cross-crate-info/single-merge-none-useless-write/quebec.rs
new file mode 100644
index 00000000000..e888a43c460
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/single-merge-none-useless-write/quebec.rs
@@ -0,0 +1,11 @@
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ !has index.html
+//@ has quebec/struct.Quebec.html
+//@ !has search-index.js
+
+// --merge=none doesn't write anything, despite --parts-out-dir
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/quebec.rs
new file mode 100644
index 00000000000..1beca543f81
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/quebec.rs
@@ -0,0 +1,5 @@
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/tango.rs
new file mode 100644
index 00000000000..363b2d5508e
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-finalize/auxiliary/tango.rs
@@ -0,0 +1,8 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-finalize/sierra.rs b/tests/rustdoc/merge-cross-crate-info/transitive-finalize/sierra.rs
new file mode 100644
index 00000000000..68fc4b13fa8
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-finalize/sierra.rs
@@ -0,0 +1,20 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="sierra/index.html"]' 'sierra'
+//@ has index.html '//ul[@class="all-items"]//a[@href="tango/index.html"]' 'tango'
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Sierra'
+
+// write only overwrites stuff in the output directory
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/quebec.rs
new file mode 100644
index 00000000000..6ab921533b0
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/quebec.rs
@@ -0,0 +1,6 @@
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/tango.rs
new file mode 100644
index 00000000000..9fa99d3be8a
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/auxiliary/tango.rs
@@ -0,0 +1,9 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--parts-out-dir=info/doc.parts/tango
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/sierra.rs b/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/sierra.rs
new file mode 100644
index 00000000000..b407228085e
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-merge-none/sierra.rs
@@ -0,0 +1,27 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--include-parts-dir=info/doc.parts/tango
+//@ doc-flags:--include-parts-dir=info/doc.parts/quebec
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has index.html '//ul[@class="all-items"]//a[@href="sierra/index.html"]' 'sierra'
+//@ has index.html '//ul[@class="all-items"]//a[@href="tango/index.html"]' 'tango'
+//@ has quebec/struct.Quebec.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Tango'
+//@ hasraw search-index.js 'Sierra'
+//@ hasraw search-index.js 'Quebec'
+
+// We avoid writing any cross-crate information, preferring to include it
+// with --include-parts-dir.
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/quebec.rs
new file mode 100644
index 00000000000..1beca543f81
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/quebec.rs
@@ -0,0 +1,5 @@
+//@ doc-flags:--merge=finalize
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/tango.rs
new file mode 100644
index 00000000000..ff12fe98d82
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/auxiliary/tango.rs
@@ -0,0 +1,8 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/sierra.rs b/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/sierra.rs
new file mode 100644
index 00000000000..15e32d5941f
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-merge-read-write/sierra.rs
@@ -0,0 +1,25 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=shared
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ has index.html
+//@ has index.html '//h1' 'List of all crates'
+//@ has index.html '//ul[@class="all-items"]//a[@href="quebec/index.html"]' 'quebec'
+//@ has index.html '//ul[@class="all-items"]//a[@href="sierra/index.html"]' 'sierra'
+//@ has index.html '//ul[@class="all-items"]//a[@href="tango/index.html"]' 'tango'
+//@ has quebec/struct.Quebec.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ hasraw trait.impl/tango/trait.Tango.js 'struct.Sierra.html'
+//@ hasraw search-index.js 'Tango'
+//@ hasraw search-index.js 'Sierra'
+//@ hasraw search-index.js 'Quebec'
+
+// We can use read-write to emulate the default behavior of rustdoc, when
+// --merge is left out.
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/quebec.rs b/tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/quebec.rs
new file mode 100644
index 00000000000..0e28d8e6466
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/quebec.rs
@@ -0,0 +1,5 @@
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+pub struct Quebec;
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/tango.rs b/tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/tango.rs
new file mode 100644
index 00000000000..3827119f696
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-no-info/auxiliary/tango.rs
@@ -0,0 +1,8 @@
+//@ aux-build:quebec.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+extern crate quebec;
+pub trait Tango {}
diff --git a/tests/rustdoc/merge-cross-crate-info/transitive-no-info/sierra.rs b/tests/rustdoc/merge-cross-crate-info/transitive-no-info/sierra.rs
new file mode 100644
index 00000000000..3eb2cebd743
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/transitive-no-info/sierra.rs
@@ -0,0 +1,17 @@
+//@ aux-build:tango.rs
+//@ build-aux-docs
+//@ doc-flags:--merge=none
+//@ doc-flags:--enable-index-page
+//@ doc-flags:-Zunstable-options
+
+//@ !has index.html
+//@ has sierra/struct.Sierra.html
+//@ has tango/trait.Tango.html
+//@ hasraw sierra/struct.Sierra.html 'Tango'
+//@ !has trait.impl/tango/trait.Tango.js
+//@ !has search-index.js
+
+// --merge=none on all crates does not generate any cross-crate info
+extern crate tango;
+pub struct Sierra;
+impl tango::Tango for Sierra {}
diff --git a/tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/auxiliary/foxtrot.rs b/tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/auxiliary/foxtrot.rs
new file mode 100644
index 00000000000..e492b700dbc
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/auxiliary/foxtrot.rs
@@ -0,0 +1,5 @@
+//@ unique-doc-out-dir
+//@ doc-flags:--parts-out-dir=info/doc.parts/foxtrot
+//@ doc-flags:-Zunstable-options
+
+pub trait Foxtrot {}
diff --git a/tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/echo.rs b/tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/echo.rs
new file mode 100644
index 00000000000..ee2b646e43c
--- /dev/null
+++ b/tests/rustdoc/merge-cross-crate-info/two-separate-out-dir/echo.rs
@@ -0,0 +1,16 @@
+//@ aux-build:foxtrot.rs
+//@ build-aux-docs
+//@ doc-flags:--include-parts-dir=info/doc.parts/foxtrot
+//@ doc-flags:-Zunstable-options
+
+//@ has echo/enum.Echo.html
+//@ hasraw echo/enum.Echo.html 'Foxtrot'
+//@ hasraw trait.impl/foxtrot/trait.Foxtrot.js 'enum.Echo.html'
+//@ hasraw search-index.js 'Foxtrot'
+//@ hasraw search-index.js 'Echo'
+
+// document two crates in different places, and merge their docs after
+// they are generated
+extern crate foxtrot;
+pub enum Echo {}
+impl foxtrot::Foxtrot for Echo {}