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-rw-r--r--servo/tests/unit/style/parsing/image.rs104
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diff --git a/servo/tests/unit/style/parsing/image.rs b/servo/tests/unit/style/parsing/image.rs
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+++ b/servo/tests/unit/style/parsing/image.rs
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use style::parser::Parse;
+use style::values::specified::image::*;
+use style_traits::ToCss;
+
+#[test]
+fn test_linear_gradient() {
+ // Parsing from the right
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(to left, red, green)");
+
+ // Parsing from the left
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(to right, red, green)");
+
+ // Parsing with two values for <side-or-corner>
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(to right top, red, green)");
+
+ // Parsing with <angle>
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(45deg, red, green)");
+
+ // Parsing with more than two entries in <color-stop-list>
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(red, yellow, green)");
+
+ // Parsing with percentage in the <color-stop-list>
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(red, green, yellow 50%)");
+
+ // Parsing without <angle> and <side-or-corner>
+ assert_roundtrip_with_context!(Image::parse, "linear-gradient(red, green)");
+}
+
+#[test]
+fn test_radial_gradient() {
+ // Parsing with all values
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(circle closest-side at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(ellipse closest-side at 20px 30px, red, green)",
+ "radial-gradient(closest-side at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(closest-side circle at 20px 30px, red, green)",
+ "radial-gradient(circle closest-side at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(closest-side ellipse at 20px 30px, red, green)",
+ "radial-gradient(closest-side at 20px 30px, red, green)");
+
+ // Parsing with <shape-keyword> and <size> reversed
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(closest-side circle at 20px 30px, red, green)",
+ "radial-gradient(circle closest-side at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(closest-corner ellipse at 20px 30px, red, green)",
+ "radial-gradient(closest-corner at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(30px circle, red, green)",
+ "radial-gradient(30px at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse, "radial-gradient(30px 40px ellipse, red, green)",
+ "radial-gradient(30px 40px at center center, red, green)");
+
+ // Parsing without <size>
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(circle, red, green)",
+ "radial-gradient(circle at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(ellipse, red, green)",
+ "radial-gradient(at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(circle at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(ellipse at 20px 30px, red, green)",
+ "radial-gradient(at 20px 30px, red, green)");
+
+
+ // Parsing without <shape-keyword>
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(20px at 20px 30px, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(20px 30px at left center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(closest-side at center, red, green)",
+ "radial-gradient(closest-side at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(20px, red, green)",
+ "radial-gradient(20px at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(20px 30px, red, green)",
+ "radial-gradient(20px 30px at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(closest-side, red, green)",
+ "radial-gradient(closest-side at center center, red, green)");
+
+ // Parsing without <shape-keyword> and <size>
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(at center, red, green)",
+ "radial-gradient(at center center, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(at center bottom, red, green)");
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(at 40px 50px, red, green)");
+
+ // Parsing with just color stops
+ assert_roundtrip_with_context!(Image::parse,
+ "radial-gradient(red, green)",
+ "radial-gradient(at center center, red, green)");
+
+ // Parsing repeating radial gradient
+ assert_roundtrip_with_context!(Image::parse,
+ "repeating-radial-gradient(red, green)",
+ "repeating-radial-gradient(at center center, red, green)");
+}