Add a placeholder-text test

Contributed by Joanmarie Diggs.

tests/a11y/Makefile.am

@@ -50,4 +50,5 @@ EXTRA_DIST += \
 	paned.ui paned.txt \
 	iconview.ui iconview.txt \
 	entries.ui entries.txt \
-	scale-drawvalue.ui scale-drawvalue.txt
+	scale-drawvalue.ui scale-drawvalue.txt \
+	placeholder-text.ui placeholder-text.txt

tests/a11y/placeholder-text.txt

+window1
+  "window"
+  index: 0
+  state: enabled resizable sensitive showing visible
+  toolkit: gail
+  <AtkComponent>
+  layer: window
+  alpha: 1
+  box1
+    "panel"
+    parent: window1
+    index: 0
+    state: enabled sensitive showing vertical visible
+    toolkit: gail
+    <AtkComponent>
+    layer: widget
+    alpha: 1
+    entry1
+      "text"
+      parent: box1
+      index: 0
+      state: editable enabled focusable sensitive showing single-line visible
+      toolkit: gail
+      placeholder-text: Subject or Addresses contain
+      <AtkComponent>
+      layer: widget
+      alpha: 1
+      <AtkText>
+      text: 
+      character count: 0
+      caret offset: 0
+      default attributes: bg-color: <omitted>
+                          bg-full-height: 0
+                          direction: <omitted>
+                          editable: false
+                          family-name: <omitted>
+                          fg-color: <omitted>
+                          indent: 0
+                          invisible: false
+                          justification: left
+                          language: <omitted>
+                          left-margin: 0
+                          pixels-above-lines: 0
+                          pixels-below-lines: 0
+                          pixels-inside-wrap: 0
+                          right-margin: 0
+                          rise: 0
+                          scale: 1
+                          size: <omitted>
+                          stretch: <omitted>
+                          strikethrough: false
+                          style: <omitted>
+                          underline: none
+                          variant: <omitted>
+                          weight: <omitted>
+                          wrap-mode: word
+      <AtkAction>
+      action 0 name: activate
+    entry2
+      "text"
+      parent: box1
+      index: 1
+      state: editable enabled focusable sensitive showing single-line visible
+      toolkit: gail
+      placeholder-text: Message contains
+      <AtkComponent>
+      layer: widget
+      alpha: 1
+      <AtkText>
+      text: Some text
+      character count: 9
+      caret offset: 0
+      default attributes: bg-color: <omitted>
+                          bg-full-height: 0
+                          direction: <omitted>
+                          editable: false
+                          family-name: <omitted>
+                          fg-color: <omitted>
+                          indent: 0
+                          invisible: false
+                          justification: left
+                          language: <omitted>
+                          left-margin: 0
+                          pixels-above-lines: 0
+                          pixels-below-lines: 0
+                          pixels-inside-wrap: 0
+                          right-margin: 0
+                          rise: 0
+                          scale: 1
+                          size: <omitted>
+                          stretch: <omitted>
+                          strikethrough: false
+                          style: <omitted>
+                          underline: none
+                          variant: <omitted>
+                          weight: <omitted>
+                          wrap-mode: word
+      <AtkAction>
+      action 0 name: activate
+    entry3
+      "text"
+      parent: box1
+      index: 2
+      state: editable enabled focusable sensitive showing single-line visible
+      toolkit: gail
+      placeholder-text: Body contains
+      <AtkComponent>
+      layer: widget
+      alpha: 1
+      <AtkText>
+      text: 
+      character count: 0
+      caret offset: 0
+      default attributes: bg-color: <omitted>
+                          bg-full-height: 0
+                          direction: <omitted>
+                          editable: false
+                          family-name: <omitted>
+                          fg-color: <omitted>
+                          indent: 0
+                          invisible: false
+                          justification: left
+                          language: <omitted>
+                          left-margin: 0
+                          pixels-above-lines: 0
+                          pixels-below-lines: 0
+                          pixels-inside-wrap: 0
+                          right-margin: 0
+                          rise: 0
+                          scale: 1
+                          size: <omitted>
+                          stretch: <omitted>
+                          strikethrough: false
+                          style: <omitted>
+                          underline: none
+                          variant: <omitted>
+                          weight: <omitted>
+                          wrap-mode: word
+      <AtkAction>
+      action 0 name: activate

tests/a11y/placeholder-text.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <!-- interface-requires gtk+ 3.0 -->
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <property name="type">popup</property>
+    <child>
+      <object class="GtkBox" id="box1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkEntry" id="entry1">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="invisible_char">●</property>
+            <property name="invisible_char_set">True</property>
+            <property name="placeholder_text">Subject or Addresses contain</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkEntry" id="entry2">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="invisible_char">●</property>
+            <property name="text" translatable="yes">Some text</property>
+            <property name="invisible_char_set">True</property>
+            <property name="placeholder_text">Message contains</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkEntry" id="entry3">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="has_focus">True</property>
+            <property name="is_focus">True</property>
+            <property name="invisible_char">●</property>
+            <property name="invisible_char_set">True</property>
+            <property name="placeholder_text">Body contains</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">2</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>