Add tests for default-settings

src/test/rustdoc-gui/default-settings.goml

@@ -0,0 +1,8 @@
+// This test ensures that the default settings are correctly applied.
+//
+// The "settings" crate uses "ayu" as default setting, which is what we will
+// check.
+goto: file://|DOC_PATH|/settings/index.html
+// Wait a bit to be sure the default theme is applied.
+wait-for: 1000
+assert-css: ("body", {"background-color": "rgb(15, 20, 25)"})

src/test/rustdoc-gui/src/implementors/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "implementors"
+version = "0.1.0"

src/test/rustdoc-gui/src/lib2/Cargo.lock

@@ -0,0 +1,14 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "implementors"
+version = "0.1.0"
+
+[[package]]
+name = "lib2"
+version = "0.1.0"
+dependencies = [
+ "implementors",
+]

src/test/rustdoc-gui/src/settings/.cargo/config.toml

@@ -0,0 +1,2 @@
+[build]
+rustdocflags = ["--default-theme", "ayu"]

src/test/rustdoc-gui/src/settings/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "settings"
+version = "0.1.0"

src/test/rustdoc-gui/src/settings/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "settings"
+version = "0.1.0"
+edition = "2018"
+
+[lib]
+path = "lib.rs"

src/test/rustdoc-gui/src/settings/lib.rs

@@ -0,0 +1 @@
+pub fn foo() {}

src/test/rustdoc-gui/src/test_docs/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "test_docs"
+version = "0.1.0"

src/test/rustdoc/default-theme.rs

@@ -0,0 +1,7 @@
+// compile-flags: --default-theme ayu
+
+// @has default_theme/index.html
+// @has - '//script[@id="default-settings"]/@data-theme' 'ayu'
+// @has - '//script[@id="default-settings"]/@data-use_system_theme' 'false'
+
+pub fn whatever() {}