Implement attributes for the `<meter>` element (#32230)

* Implement attributes for the meter element

* Remove checks for min < max before clamping

10 files changed, 139 insertions, 743 deletions

diff --git a/components/script/dom/htmlmeterelement.rs b/components/script/dom/htmlmeterelement.rs
index 917258a1ea8..53fa61e9074 100644
--- a/components/script/dom/htmlmeterelement.rs
+++ b/components/script/dom/htmlmeterelement.rs
@@ -2,14 +2,18 @@
  * 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 std::ops::{Add, Div};
+
 use dom_struct::dom_struct;
-use html5ever::{LocalName, Prefix};
+use html5ever::{local_name, LocalName, Prefix};
 use js::rust::HandleObject;
 
 use crate::dom::bindings::codegen::Bindings::HTMLMeterElementBinding::HTMLMeterElementMethods;
 use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::num::Finite;
 use crate::dom::bindings::root::{DomRoot, MutNullableDom};
 use crate::dom::document::Document;
+use crate::dom::element::Element;
 use crate::dom::htmlelement::HTMLElement;
 use crate::dom::node::Node;
 use crate::dom::nodelist::NodeList;
@@ -20,6 +24,7 @@ pub struct HTMLMeterElement {
     labels_node_list: MutNullableDom<NodeList>,
 }
 
+/// <https://html.spec.whatwg.org/multipage/#the-meter-element>
 impl HTMLMeterElement {
     fn new_inherited(
         local_name: LocalName,
@@ -52,4 +57,125 @@ impl HTMLMeterElement {
 impl HTMLMeterElementMethods for HTMLMeterElement {
     // https://html.spec.whatwg.org/multipage/#dom-lfe-labels
     make_labels_getter!(Labels, labels_node_list);
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-actual>
+    fn Value(&self) -> Finite<f64> {
+        let min = *self.Min();
+        let max = *self.Max();
+
+        Finite::wrap(
+            self.upcast::<Element>()
+                .get_string_attribute(&local_name!("value"))
+                .parse_floating_point_number()
+                .map_or(0.0, |candidate_actual_value| {
+                    candidate_actual_value.clamp(min, max)
+                }),
+        )
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-meter-value>
+    fn SetValue(&self, value: Finite<f64>) {
+        self.upcast::<Element>()
+            .set_string_attribute(&local_name!("value"), (*value).to_string().into());
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-minimum>
+    fn Min(&self) -> Finite<f64> {
+        Finite::wrap(
+            self.upcast::<Element>()
+                .get_string_attribute(&local_name!("min"))
+                .parse_floating_point_number()
+                .unwrap_or(0.0),
+        )
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-meter-min>
+    fn SetMin(&self, value: Finite<f64>) {
+        self.upcast::<Element>()
+            .set_string_attribute(&local_name!("min"), (*value).to_string().into());
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-maximum>
+    fn Max(&self) -> Finite<f64> {
+        Finite::wrap(
+            self.upcast::<Element>()
+                .get_string_attribute(&local_name!("max"))
+                .parse_floating_point_number()
+                .unwrap_or(1.0)
+                .max(*self.Min()),
+        )
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-maximum>
+    fn SetMax(&self, value: Finite<f64>) {
+        self.upcast::<Element>()
+            .set_string_attribute(&local_name!("max"), (*value).to_string().into());
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-low>
+    fn Low(&self) -> Finite<f64> {
+        let min = *self.Min();
+        let max = *self.Max();
+
+        Finite::wrap(
+            self.upcast::<Element>()
+                .get_string_attribute(&local_name!("low"))
+                .parse_floating_point_number()
+                .map_or(min, |candidate_low_boundary| {
+                    candidate_low_boundary.clamp(min, max)
+                }),
+        )
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-meter-low>
+    fn SetLow(&self, value: Finite<f64>) {
+        self.upcast::<Element>()
+            .set_string_attribute(&local_name!("low"), (*value).to_string().into());
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-high>
+    fn High(&self) -> Finite<f64> {
+        let max: f64 = *self.Max();
+        let low: f64 = *self.Low();
+
+        Finite::wrap(
+            self.upcast::<Element>()
+                .get_string_attribute(&local_name!("high"))
+                .parse_floating_point_number()
+                .map_or(max, |candidate_high_boundary| {
+                    if candidate_high_boundary < low {
+                        return low;
+                    }
+
+                    candidate_high_boundary.clamp(*self.Min(), max)
+                }),
+        )
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-meter-high>
+    fn SetHigh(&self, value: Finite<f64>) {
+        self.upcast::<Element>()
+            .set_string_attribute(&local_name!("high"), (*value).to_string().into());
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#concept-meter-optimum>
+    fn Optimum(&self) -> Finite<f64> {
+        let max = *self.Max();
+        let min = *self.Min();
+
+        Finite::wrap(
+            self.upcast::<Element>()
+                .get_string_attribute(&local_name!("optimum"))
+                .parse_floating_point_number()
+                .map_or(max.add(min).div(2.0), |candidate_optimum_point| {
+                    candidate_optimum_point.clamp(min, max)
+                }),
+        )
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-meter-optimum>
+    fn SetOptimum(&self, value: Finite<f64>) {
+        self.upcast::<Element>()
+            .set_string_attribute(&local_name!("optimum"), (*value).to_string().into());
+    }
 }
diff --git a/components/script/dom/webidls/HTMLMeterElement.webidl b/components/script/dom/webidls/HTMLMeterElement.webidl
index 4021d2ec185..23e6bc16b3e 100644
--- a/components/script/dom/webidls/HTMLMeterElement.webidl
+++ b/components/script/dom/webidls/HTMLMeterElement.webidl
@@ -7,17 +7,17 @@
 interface HTMLMeterElement : HTMLElement {
   [HTMLConstructor] constructor();
 
-  // [CEReactions]
-  //         attribute double value;
-  // [CEReactions]
-  //         attribute double min;
-  // [CEReactions]
-  //         attribute double max;
-  // [CEReactions]
-  //         attribute double low;
-  // [CEReactions]
-  //         attribute double high;
-  // [CEReactions]
-  //         attribute double optimum;
+  [CEReactions]
+           attribute double value;
+  [CEReactions]
+           attribute double min;
+  [CEReactions]
+           attribute double max;
+  [CEReactions]
+           attribute double low;
+  [CEReactions]
+           attribute double high;
+  [CEReactions]
+           attribute double optimum;
   readonly attribute NodeList labels;
 };
diff --git a/tests/wpt/meta-legacy-layout/custom-elements/reactions/customized-builtins/HTMLMeterElement.html.ini b/tests/wpt/meta-legacy-layout/custom-elements/reactions/customized-builtins/HTMLMeterElement.html.ini
deleted file mode 100644
index 4a09a19f78e..00000000000
--- a/tests/wpt/meta-legacy-layout/custom-elements/reactions/customized-builtins/HTMLMeterElement.html.ini
+++ /dev/null
@@ -1,36 +0,0 @@
-[HTMLMeterElement.html]
-  [value on HTMLMeterElement must enqueue an attributeChanged reaction when adding value content attribute]
-    expected: FAIL
-
-  [value on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [min on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [min on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [max on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [max on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [low on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [low on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [high on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [high on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [optimum on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [optimum on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/html/dom/idlharness.https.html.ini b/tests/wpt/meta-legacy-layout/html/dom/idlharness.https.html.ini
index 322279129cc..d36a263ba23 100644
--- a/tests/wpt/meta-legacy-layout/html/dom/idlharness.https.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/dom/idlharness.https.html.ini
@@ -2790,9 +2790,6 @@
   [HTMLTableSectionElement interface: document.createElement("tfoot") must inherit property "align" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "low" with the proper type]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("time") must inherit property "useMap" with the proper type]
     expected: FAIL
 
@@ -2802,9 +2799,6 @@
   [HTMLInputElement interface: createInput("hidden") must inherit property "align" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute value]
-    expected: FAIL
-
   [HTMLTableSectionElement interface: document.createElement("thead") must inherit property "chOff" with the proper type]
     expected: FAIL
 
@@ -3216,18 +3210,12 @@
   [HTMLIFrameElement interface: attribute align]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "max" with the proper type]
-    expected: FAIL
-
   [HTMLTableCellElement interface: document.createElement("th") must inherit property "noWrap" with the proper type]
     expected: FAIL
 
   [HTMLAreaElement interface: document.createElement("area") must inherit property "shape" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute low]
-    expected: FAIL
-
   [HTMLEmbedElement interface: attribute height]
     expected: FAIL
 
@@ -3318,12 +3306,6 @@
   [HTMLImageElement interface: document.createElement("img") must inherit property "sizes" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "optimum" with the proper type]
-    expected: FAIL
-
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "value" with the proper type]
-    expected: FAIL
-
   [HTMLEmbedElement interface: attribute align]
     expected: FAIL
 
@@ -3489,9 +3471,6 @@
   [HTMLInputElement interface: createInput("color") must inherit property "useMap" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute optimum]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("password") must inherit property "useMap" with the proper type]
     expected: FAIL
 
@@ -3642,9 +3621,6 @@
   [HTMLOListElement interface: attribute compact]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute high]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("reset") must inherit property "useMap" with the proper type]
     expected: FAIL
 
@@ -3660,18 +3636,12 @@
   [HTMLAreaElement interface: attribute download]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute max]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("hidden") must inherit property "width" with the proper type]
     expected: FAIL
 
   [HTMLInputElement interface: createInput("text") must inherit property "align" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "high" with the proper type]
-    expected: FAIL
-
   [HTMLParagraphElement interface: document.createElement("p") must inherit property "align" with the proper type]
     expected: FAIL
 
@@ -3840,9 +3810,6 @@
   [HTMLTableCellElement interface: document.createElement("th") must inherit property "scope" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "min" with the proper type]
-    expected: FAIL
-
   [HTMLLinkElement interface: attribute as]
     expected: FAIL
 
@@ -4434,9 +4401,6 @@
   [HTMLObjectElement interface: document.createElement("object") must inherit property "data" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute min]
-    expected: FAIL
-
   [HTMLElement interface: document.createElement("noscript") must inherit property "onsecuritypolicyviolation" with the proper type]
     expected: FAIL
 
diff --git a/tests/wpt/meta-legacy-layout/html/dom/reflection-forms.html.ini b/tests/wpt/meta-legacy-layout/html/dom/reflection-forms.html.ini
index 7280767d3ec..f18e02cb406 100644
--- a/tests/wpt/meta-legacy-layout/html/dom/reflection-forms.html.ini
+++ b/tests/wpt/meta-legacy-layout/html/dom/reflection-forms.html.ini
@@ -20178,150 +20178,42 @@
   [textarea.inputMode: IDL set to "Kana-name"]
     expected: FAIL
 
-  [meter.value: typeof IDL attribute]
-    expected: FAIL
-
   [meter.value: IDL get with DOM attribute unset]
     expected: FAIL
 
-  [meter.value: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.value: IDL set to -1]
-    expected: FAIL
-
   [meter.value: IDL set to -0]
     expected: FAIL
 
-  [meter.value: IDL set to 0]
-    expected: FAIL
-
-  [meter.value: IDL set to 1]
-    expected: FAIL
-
-  [meter.value: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.min: typeof IDL attribute]
-    expected: FAIL
-
   [meter.min: IDL get with DOM attribute unset]
     expected: FAIL
 
-  [meter.min: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.min: IDL set to -1]
-    expected: FAIL
-
   [meter.min: IDL set to -0]
     expected: FAIL
 
-  [meter.min: IDL set to 0]
-    expected: FAIL
-
-  [meter.min: IDL set to 1]
-    expected: FAIL
-
-  [meter.min: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.max: typeof IDL attribute]
-    expected: FAIL
-
   [meter.max: IDL get with DOM attribute unset]
     expected: FAIL
 
-  [meter.max: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.max: IDL set to -1]
-    expected: FAIL
-
   [meter.max: IDL set to -0]
     expected: FAIL
 
-  [meter.max: IDL set to 0]
-    expected: FAIL
-
-  [meter.max: IDL set to 1]
-    expected: FAIL
-
-  [meter.max: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.low: typeof IDL attribute]
-    expected: FAIL
-
   [meter.low: IDL get with DOM attribute unset]
     expected: FAIL
 
-  [meter.low: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.low: IDL set to -1]
-    expected: FAIL
-
   [meter.low: IDL set to -0]
     expected: FAIL
 
-  [meter.low: IDL set to 0]
-    expected: FAIL
-
-  [meter.low: IDL set to 1]
-    expected: FAIL
-
-  [meter.low: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.high: typeof IDL attribute]
-    expected: FAIL
-
   [meter.high: IDL get with DOM attribute unset]
     expected: FAIL
 
-  [meter.high: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.high: IDL set to -1]
-    expected: FAIL
-
   [meter.high: IDL set to -0]
     expected: FAIL
 
-  [meter.high: IDL set to 0]
-    expected: FAIL
-
-  [meter.high: IDL set to 1]
-    expected: FAIL
-
-  [meter.high: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.optimum: typeof IDL attribute]
-    expected: FAIL
-
   [meter.optimum: IDL get with DOM attribute unset]
     expected: FAIL
 
-  [meter.optimum: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.optimum: IDL set to -1]
-    expected: FAIL
-
   [meter.optimum: IDL set to -0]
     expected: FAIL
 
-  [meter.optimum: IDL set to 0]
-    expected: FAIL
-
-  [meter.optimum: IDL set to 1]
-    expected: FAIL
-
-  [meter.optimum: IDL set to 10000000000]
-    expected: FAIL
-
   [optgroup.accessKey: setAttribute() to "5%"]
     expected: FAIL
 
@@ -20937,71 +20829,35 @@
   [meter.value: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.value: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.value: IDL set to 1.5]
-    expected: FAIL
-
   [meter.value: IDL set to 1e+25]
     expected: FAIL
 
   [meter.min: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.min: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.min: IDL set to 1.5]
-    expected: FAIL
-
   [meter.min: IDL set to 1e+25]
     expected: FAIL
 
   [meter.max: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.max: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.max: IDL set to 1.5]
-    expected: FAIL
-
   [meter.max: IDL set to 1e+25]
     expected: FAIL
 
   [meter.low: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.low: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.low: IDL set to 1.5]
-    expected: FAIL
-
   [meter.low: IDL set to 1e+25]
     expected: FAIL
 
   [meter.high: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.high: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.high: IDL set to 1.5]
-    expected: FAIL
-
   [meter.high: IDL set to 1e+25]
     expected: FAIL
 
   [meter.optimum: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.optimum: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.optimum: IDL set to 1.5]
-    expected: FAIL
-
   [meter.optimum: IDL set to 1e+25]
     expected: FAIL
diff --git a/tests/wpt/meta-legacy-layout/html/semantics/forms/the-meter-element/meter.html.ini b/tests/wpt/meta-legacy-layout/html/semantics/forms/the-meter-element/meter.html.ini
deleted file mode 100644
index 6c0f829429e..00000000000
--- a/tests/wpt/meta-legacy-layout/html/semantics/forms/the-meter-element/meter.html.ini
+++ /dev/null
@@ -1,149 +0,0 @@
-[meter.html]
-  type: testharness
-  [Default values]
-    expected: FAIL
-
-  [Invalid floating-point number values]
-    expected: FAIL
-
-  [max < min]
-    expected: FAIL
-
-  [value < min]
-    expected: FAIL
-
-  [value > max]
-    expected: FAIL
-
-  [low < min]
-    expected: FAIL
-
-  [low > max]
-    expected: FAIL
-
-  [high < low]
-    expected: FAIL
-
-  [high > max]
-    expected: FAIL
-
-  [optimum < min]
-    expected: FAIL
-
-  [optimum > max]
-    expected: FAIL
-
-  [value must be 0 when a string is given]
-    expected: FAIL
-
-  [default value of min is 0]
-    expected: FAIL
-
-  [If min is not specified and value is smaller than the default value of min (i.e. 0), the actual value must be 0]
-    expected: FAIL
-
-  [default value of max is 1.0]
-    expected: FAIL
-
-  [If max is not specified and value is larger than the default value of max (i.e. 1.0), the actual value must be 1.0]
-    expected: FAIL
-
-  [If a value smaller than 1.0 is given to min and max is not specified, max must be the same value as its default value (i.e. 1.0)]
-    expected: FAIL
-
-  [If a value smaller than 1.0 is given to min, max is not specified, and value is larger than the default value of max (i.e. 1.0), the actual value must be 1.0]
-    expected: FAIL
-
-  [If a value larger than or equal to 1.0 is given to min and max is not specified, max must be the same value as min]
-    expected: FAIL
-
-  [If a value larger than or equal to 1.0 is given to min and max is not specified, the actual value must be the same value as min]
-    expected: FAIL
-
-  [If a value smaller than 0 is given to max and min is not specified, min must be be the same value as its default value (i.e. 0)]
-    expected: FAIL
-
-  [If a value smaller than 0 is given to max and min is not specified, max must be be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value smaller than 0 is given to max and min is not specified, the actual value must be be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value larger than or equal to 0 is given to max and min is not specified, max must be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value larger than or equal to 0 is given to max and min is not specified, min must be the same value as its default value (i.e. 0)]
-    expected: FAIL
-
-  [If a value larger than or equal to 0 is given to max and min is not specified, the actual value must be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [min must be 0 when a string is given]
-    expected: FAIL
-
-  [If a string is given to min and value is smaller than the default value of min (i.e. 0), the actual value must be 0]
-    expected: FAIL
-
-  [max must be 1.0 when a string is given]
-    expected: FAIL
-
-  [If a string is given to max and value is larger than the default value of min (i.e. 1.0), the actual value must be 1.0]
-    expected: FAIL
-
-  [giving a string to low must not affect the actual value]
-    expected: FAIL
-
-  [high must equal max when a string is given to high]
-    expected: FAIL
-
-  [giving a string to high must not affect the actual value]
-    expected: FAIL
-
-  [value must not be smaller than min]
-    expected: FAIL
-
-  [value must not be larger than max]
-    expected: FAIL
-
-  [default low and high values equal min and max, respectively]
-    expected: FAIL
-
-  [default low and high values equal 0 and 1.0 respectively, if both low and high are not specified]
-    expected: FAIL
-
-  [low must not be smaller than min]
-    expected: FAIL
-
-  [low must not be larger than max]
-    expected: FAIL
-
-  [high must not be smaller than min]
-    expected: FAIL
-
-  [high must not be larger than max]
-    expected: FAIL
-
-  [If min is not specified, low must not be smaller than default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value smaller than low is given to high, it must be set to the same value as low]
-    expected: FAIL
-
-  [If max is not specified, high must not be larger than default value of max (i.e. 1.0)]
-    expected: FAIL
-
-  [optimum smaller than min]
-    expected: FAIL
-
-  [optimum (smaller than min) must not affect min and the actual value]
-    expected: FAIL
-
-  [optimum smaller than max]
-    expected: FAIL
-
-  [optimum (larger than max) must not affect max and the actual value]
-    expected: FAIL
-
-  [default optimum value is the midpoint between min and max]
-    expected: FAIL
-
diff --git a/tests/wpt/meta/custom-elements/reactions/customized-builtins/HTMLMeterElement.html.ini b/tests/wpt/meta/custom-elements/reactions/customized-builtins/HTMLMeterElement.html.ini
deleted file mode 100644
index 4a09a19f78e..00000000000
--- a/tests/wpt/meta/custom-elements/reactions/customized-builtins/HTMLMeterElement.html.ini
+++ /dev/null
@@ -1,36 +0,0 @@
-[HTMLMeterElement.html]
-  [value on HTMLMeterElement must enqueue an attributeChanged reaction when adding value content attribute]
-    expected: FAIL
-
-  [value on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [min on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [min on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [max on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [max on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [low on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [low on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [high on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [high on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-
-  [optimum on HTMLMeterElement must enqueue an attributeChanged reaction when adding a new attribute]
-    expected: FAIL
-
-  [optimum on HTMLMeterElement must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/dom/idlharness.https.html.ini b/tests/wpt/meta/html/dom/idlharness.https.html.ini
index 05eb99aed01..23fba12decc 100644
--- a/tests/wpt/meta/html/dom/idlharness.https.html.ini
+++ b/tests/wpt/meta/html/dom/idlharness.https.html.ini
@@ -2640,9 +2640,6 @@
   [HTMLTableSectionElement interface: document.createElement("tfoot") must inherit property "align" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "low" with the proper type]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("hidden") must inherit property "width" with the proper type]
     expected: FAIL
 
@@ -2826,9 +2823,6 @@
   [HTMLObjectElement interface: document.createElement("object") must inherit property "codeBase" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute value]
-    expected: FAIL
-
   [HTMLFrameElement interface: attribute marginWidth]
     expected: FAIL
 
@@ -3045,9 +3039,6 @@
   [HTMLIFrameElement interface: attribute align]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "max" with the proper type]
-    expected: FAIL
-
   [HTMLTableCellElement interface: document.createElement("th") must inherit property "noWrap" with the proper type]
     expected: FAIL
 
@@ -3057,9 +3048,6 @@
   [HTMLMarqueeElement interface: document.createElement("marquee") must inherit property "trueSpeed" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute low]
-    expected: FAIL
-
   [HTMLEmbedElement interface: attribute height]
     expected: FAIL
 
@@ -3153,9 +3141,6 @@
   [HTMLImageElement interface: document.createElement("img") must inherit property "sizes" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "optimum" with the proper type]
-    expected: FAIL
-
   [HTMLEmbedElement interface: attribute align]
     expected: FAIL
 
@@ -3303,9 +3288,6 @@
   [HTMLInputElement interface: createInput("color") must inherit property "useMap" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute optimum]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("password") must inherit property "useMap" with the proper type]
     expected: FAIL
 
@@ -3444,9 +3426,6 @@
   [HTMLOListElement interface: attribute compact]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute high]
-    expected: FAIL
-
   [HTMLBRElement interface: attribute clear]
     expected: FAIL
 
@@ -3459,9 +3438,6 @@
   [HTMLAreaElement interface: attribute download]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute max]
-    expected: FAIL
-
   [HTMLInputElement interface: createInput("text") must inherit property "align" with the proper type]
     expected: FAIL
 
@@ -3651,9 +3627,6 @@
   [HTMLTableCellElement interface: document.createElement("th") must inherit property "scope" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "min" with the proper type]
-    expected: FAIL
-
   [HTMLLinkElement interface: attribute as]
     expected: FAIL
 
@@ -4014,9 +3987,6 @@
   [HTMLStyleElement interface: document.createElement("style") must inherit property "type" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "high" with the proper type]
-    expected: FAIL
-
   [HTMLAreaElement interface: document.createElement("area") must inherit property "alt" with the proper type]
     expected: FAIL
 
@@ -4224,9 +4194,6 @@
   [HTMLObjectElement interface: document.createElement("object") must inherit property "data" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: attribute min]
-    expected: FAIL
-
   [HTMLElement interface: document.createElement("noscript") must inherit property "onsecuritypolicyviolation" with the proper type]
     expected: FAIL
 
@@ -4263,9 +4230,6 @@
   [HTMLInputElement interface: createInput("url") must inherit property "useMap" with the proper type]
     expected: FAIL
 
-  [HTMLMeterElement interface: document.createElement("meter") must inherit property "value" with the proper type]
-    expected: FAIL
-
   [HTMLTableColElement interface: attribute chOff]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/dom/reflection-forms.html.ini b/tests/wpt/meta/html/dom/reflection-forms.html.ini
index e695f877b65..4498919cd97 100644
--- a/tests/wpt/meta/html/dom/reflection-forms.html.ini
+++ b/tests/wpt/meta/html/dom/reflection-forms.html.ini
@@ -3380,132 +3380,24 @@
   [meter.tabIndex: IDL set to -2147483648]
     expected: FAIL
 
-  [meter.value: typeof IDL attribute]
-    expected: FAIL
-
-  [meter.value: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.value: IDL set to -1]
-    expected: FAIL
-
   [meter.value: IDL set to -0]
     expected: FAIL
 
-  [meter.value: IDL set to 0]
-    expected: FAIL
-
-  [meter.value: IDL set to 1]
-    expected: FAIL
-
-  [meter.value: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.min: typeof IDL attribute]
-    expected: FAIL
-
-  [meter.min: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.min: IDL set to -1]
-    expected: FAIL
-
   [meter.min: IDL set to -0]
     expected: FAIL
 
-  [meter.min: IDL set to 0]
-    expected: FAIL
-
-  [meter.min: IDL set to 1]
-    expected: FAIL
-
-  [meter.min: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.max: typeof IDL attribute]
-    expected: FAIL
-
-  [meter.max: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.max: IDL set to -1]
-    expected: FAIL
-
   [meter.max: IDL set to -0]
     expected: FAIL
 
-  [meter.max: IDL set to 0]
-    expected: FAIL
-
-  [meter.max: IDL set to 1]
-    expected: FAIL
-
-  [meter.max: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.low: typeof IDL attribute]
-    expected: FAIL
-
-  [meter.low: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.low: IDL set to -1]
-    expected: FAIL
-
   [meter.low: IDL set to -0]
     expected: FAIL
 
-  [meter.low: IDL set to 0]
-    expected: FAIL
-
-  [meter.low: IDL set to 1]
-    expected: FAIL
-
-  [meter.low: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.high: typeof IDL attribute]
-    expected: FAIL
-
-  [meter.high: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.high: IDL set to -1]
-    expected: FAIL
-
   [meter.high: IDL set to -0]
     expected: FAIL
 
-  [meter.high: IDL set to 0]
-    expected: FAIL
-
-  [meter.high: IDL set to 1]
-    expected: FAIL
-
-  [meter.high: IDL set to 10000000000]
-    expected: FAIL
-
-  [meter.optimum: typeof IDL attribute]
-    expected: FAIL
-
-  [meter.optimum: IDL set to -10000000000]
-    expected: FAIL
-
-  [meter.optimum: IDL set to -1]
-    expected: FAIL
-
   [meter.optimum: IDL set to -0]
     expected: FAIL
 
-  [meter.optimum: IDL set to 0]
-    expected: FAIL
-
-  [meter.optimum: IDL set to 1]
-    expected: FAIL
-
-  [meter.optimum: IDL set to 10000000000]
-    expected: FAIL
-
   [form.tabIndex: setAttribute() to "7\\v"]
     expected: FAIL
 
@@ -3686,71 +3578,35 @@
   [meter.value: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.value: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.value: IDL set to 1.5]
-    expected: FAIL
-
   [meter.value: IDL set to 1e+25]
     expected: FAIL
 
   [meter.min: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.min: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.min: IDL set to 1.5]
-    expected: FAIL
-
   [meter.min: IDL set to 1e+25]
     expected: FAIL
 
   [meter.max: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.max: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.max: IDL set to 1.5]
-    expected: FAIL
-
   [meter.max: IDL set to 1e+25]
     expected: FAIL
 
   [meter.low: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.low: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.low: IDL set to 1.5]
-    expected: FAIL
-
   [meter.low: IDL set to 1e+25]
     expected: FAIL
 
   [meter.high: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.high: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.high: IDL set to 1.5]
-    expected: FAIL
-
   [meter.high: IDL set to 1e+25]
     expected: FAIL
 
   [meter.optimum: IDL set to 1e-10]
     expected: FAIL
 
-  [meter.optimum: IDL set to 0.0001]
-    expected: FAIL
-
-  [meter.optimum: IDL set to 1.5]
-    expected: FAIL
-
   [meter.optimum: IDL set to 1e+25]
     expected: FAIL
diff --git a/tests/wpt/meta/html/semantics/forms/the-meter-element/meter.html.ini b/tests/wpt/meta/html/semantics/forms/the-meter-element/meter.html.ini
deleted file mode 100644
index 6c0f829429e..00000000000
--- a/tests/wpt/meta/html/semantics/forms/the-meter-element/meter.html.ini
+++ /dev/null
@@ -1,149 +0,0 @@
-[meter.html]
-  type: testharness
-  [Default values]
-    expected: FAIL
-
-  [Invalid floating-point number values]
-    expected: FAIL
-
-  [max < min]
-    expected: FAIL
-
-  [value < min]
-    expected: FAIL
-
-  [value > max]
-    expected: FAIL
-
-  [low < min]
-    expected: FAIL
-
-  [low > max]
-    expected: FAIL
-
-  [high < low]
-    expected: FAIL
-
-  [high > max]
-    expected: FAIL
-
-  [optimum < min]
-    expected: FAIL
-
-  [optimum > max]
-    expected: FAIL
-
-  [value must be 0 when a string is given]
-    expected: FAIL
-
-  [default value of min is 0]
-    expected: FAIL
-
-  [If min is not specified and value is smaller than the default value of min (i.e. 0), the actual value must be 0]
-    expected: FAIL
-
-  [default value of max is 1.0]
-    expected: FAIL
-
-  [If max is not specified and value is larger than the default value of max (i.e. 1.0), the actual value must be 1.0]
-    expected: FAIL
-
-  [If a value smaller than 1.0 is given to min and max is not specified, max must be the same value as its default value (i.e. 1.0)]
-    expected: FAIL
-
-  [If a value smaller than 1.0 is given to min, max is not specified, and value is larger than the default value of max (i.e. 1.0), the actual value must be 1.0]
-    expected: FAIL
-
-  [If a value larger than or equal to 1.0 is given to min and max is not specified, max must be the same value as min]
-    expected: FAIL
-
-  [If a value larger than or equal to 1.0 is given to min and max is not specified, the actual value must be the same value as min]
-    expected: FAIL
-
-  [If a value smaller than 0 is given to max and min is not specified, min must be be the same value as its default value (i.e. 0)]
-    expected: FAIL
-
-  [If a value smaller than 0 is given to max and min is not specified, max must be be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value smaller than 0 is given to max and min is not specified, the actual value must be be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value larger than or equal to 0 is given to max and min is not specified, max must be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value larger than or equal to 0 is given to max and min is not specified, min must be the same value as its default value (i.e. 0)]
-    expected: FAIL
-
-  [If a value larger than or equal to 0 is given to max and min is not specified, the actual value must be the same value as the default value of min (i.e. 0)]
-    expected: FAIL
-
-  [min must be 0 when a string is given]
-    expected: FAIL
-
-  [If a string is given to min and value is smaller than the default value of min (i.e. 0), the actual value must be 0]
-    expected: FAIL
-
-  [max must be 1.0 when a string is given]
-    expected: FAIL
-
-  [If a string is given to max and value is larger than the default value of min (i.e. 1.0), the actual value must be 1.0]
-    expected: FAIL
-
-  [giving a string to low must not affect the actual value]
-    expected: FAIL
-
-  [high must equal max when a string is given to high]
-    expected: FAIL
-
-  [giving a string to high must not affect the actual value]
-    expected: FAIL
-
-  [value must not be smaller than min]
-    expected: FAIL
-
-  [value must not be larger than max]
-    expected: FAIL
-
-  [default low and high values equal min and max, respectively]
-    expected: FAIL
-
-  [default low and high values equal 0 and 1.0 respectively, if both low and high are not specified]
-    expected: FAIL
-
-  [low must not be smaller than min]
-    expected: FAIL
-
-  [low must not be larger than max]
-    expected: FAIL
-
-  [high must not be smaller than min]
-    expected: FAIL
-
-  [high must not be larger than max]
-    expected: FAIL
-
-  [If min is not specified, low must not be smaller than default value of min (i.e. 0)]
-    expected: FAIL
-
-  [If a value smaller than low is given to high, it must be set to the same value as low]
-    expected: FAIL
-
-  [If max is not specified, high must not be larger than default value of max (i.e. 1.0)]
-    expected: FAIL
-
-  [optimum smaller than min]
-    expected: FAIL
-
-  [optimum (smaller than min) must not affect min and the actual value]
-    expected: FAIL
-
-  [optimum smaller than max]
-    expected: FAIL
-
-  [optimum (larger than max) must not affect max and the actual value]
-    expected: FAIL
-
-  [default optimum value is the midpoint between min and max]
-    expected: FAIL
-