[pango/misc-cleanups: 5/5] Add a test for the previous commits

[Matthias Clasen <matthiasc src gnome org>]

commit aa52fa64716cf78b4df51dcedc5dc3bbbbe99aa8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Dec 18 22:24:12 2021 -0500

    Add a test for the previous commits
    
    This test verifies the fixes for the
    situation described in #646.

 tests/layouts/aaa.layout | 295 +++++++++++++++++++++++++++++++++++++++++++++++
 tests/meson.build        |   1 +
 2 files changed, 296 insertions(+)
---
diff --git a/tests/layouts/aaa.layout b/tests/layouts/aaa.layout
new file mode 100644
index 00000000..829e74c8
--- /dev/null
+++ b/tests/layouts/aaa.layout
@@ -0,0 +1,295 @@
+{
+  "context" : {
+    "font" : "serif 12",
+    "base-gravity" : "south",
+    "gravity-hint" : "natural",
+    "base-dir" : "weak-ltr",
+    "round-glyph-positions" : true,
+    "transform" : [
+      1,
+      0,
+      0,
+      1,
+      0,
+      0
+    ]
+  },
+  "text" : "aaaa ",
+  "font" : "Monospace 32",
+  "wrap" : "char",
+  "width" : 0,
+  "line-spacing" : 1.2999999523162842,
+  "output" : {
+    "is-wrapped" : true,
+    "is-ellipsized" : false,
+    "unknown-glyphs" : 0,
+    "width" : 41984,
+    "height" : 318464,
+    "log-attrs" : [
+      {
+        "char-break" : true,
+        "cursor-position" : true,
+        "word-start" : true,
+        "sentence-boundary" : true,
+        "sentence-start" : true,
+        "backspace-deletes-character" : true,
+        "word-boundary" : true
+      },
+      {
+        "char-break" : true,
+        "cursor-position" : true,
+        "break-inserts-hyphen" : true
+      },
+      {
+        "char-break" : true,
+        "cursor-position" : true,
+        "break-inserts-hyphen" : true
+      },
+      {
+        "char-break" : true,
+        "cursor-position" : true,
+        "break-inserts-hyphen" : true
+      },
+      {
+        "char-break" : true,
+        "white" : true,
+        "cursor-position" : true,
+        "word-end" : true,
+        "sentence-end" : true,
+        "expandable-space" : true,
+        "word-boundary" : true
+      },
+      {
+        "line-break" : true,
+        "mandatory-break" : true,
+        "char-break" : true,
+        "white" : true,
+        "cursor-position" : true,
+        "sentence-boundary" : true,
+        "word-boundary" : true
+      }
+    ],
+    "lines" : [
+      {
+        "start-index" : 0,
+        "length" : 1,
+        "paragraph-start" : true,
+        "direction" : "ltr",
+        "runs" : [
+          {
+            "offset" : 0,
+            "length" : 1,
+            "text" : "a",
+            "bidi-level" : 0,
+            "gravity" : "south",
+            "language" : "en-us",
+            "script" : "latin",
+            "font" : {
+              "description" : "DejaVu Sans 32",
+              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
+              "matrix" : [
+                1,
+                -0,
+                -0,
+                1,
+                0,
+                0
+              ]
+            },
+            "flags" : 4,
+            "y-offset" : 0,
+            "start-x-offset" : 0,
+            "end-x-offset" : 0,
+            "glyphs" : [
+              {
+                "glyph" : 68,
+                "width" : 26624,
+                "is-cluster-start" : true,
+                "log-cluster" : 0
+              },
+              {
+                "glyph" : 2803,
+                "width" : 15360,
+                "log-cluster" : 0
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "start-index" : 1,
+        "length" : 1,
+        "paragraph-start" : false,
+        "direction" : "ltr",
+        "runs" : [
+          {
+            "offset" : 1,
+            "length" : 1,
+            "text" : "a",
+            "bidi-level" : 0,
+            "gravity" : "south",
+            "language" : "en-us",
+            "script" : "latin",
+            "font" : {
+              "description" : "DejaVu Sans 32",
+              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
+              "matrix" : [
+                1,
+                -0,
+                -0,
+                1,
+                0,
+                0
+              ]
+            },
+            "flags" : 4,
+            "y-offset" : 0,
+            "start-x-offset" : 0,
+            "end-x-offset" : 0,
+            "glyphs" : [
+              {
+                "glyph" : 68,
+                "width" : 26624,
+                "is-cluster-start" : true,
+                "log-cluster" : 0
+              },
+              {
+                "glyph" : 2803,
+                "width" : 15360,
+                "log-cluster" : 0
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "start-index" : 2,
+        "length" : 1,
+        "paragraph-start" : false,
+        "direction" : "ltr",
+        "runs" : [
+          {
+            "offset" : 2,
+            "length" : 1,
+            "text" : "a",
+            "bidi-level" : 0,
+            "gravity" : "south",
+            "language" : "en-us",
+            "script" : "latin",
+            "font" : {
+              "description" : "DejaVu Sans 32",
+              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
+              "matrix" : [
+                1,
+                -0,
+                -0,
+                1,
+                0,
+                0
+              ]
+            },
+            "flags" : 4,
+            "y-offset" : 0,
+            "start-x-offset" : 0,
+            "end-x-offset" : 0,
+            "glyphs" : [
+              {
+                "glyph" : 68,
+                "width" : 26624,
+                "is-cluster-start" : true,
+                "log-cluster" : 0
+              },
+              {
+                "glyph" : 2803,
+                "width" : 15360,
+                "log-cluster" : 0
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "start-index" : 3,
+        "length" : 1,
+        "paragraph-start" : false,
+        "direction" : "ltr",
+        "runs" : [
+          {
+            "offset" : 3,
+            "length" : 1,
+            "text" : "a",
+            "bidi-level" : 0,
+            "gravity" : "south",
+            "language" : "en-us",
+            "script" : "latin",
+            "font" : {
+              "description" : "DejaVu Sans 32",
+              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
+              "matrix" : [
+                1,
+                -0,
+                -0,
+                1,
+                0,
+                0
+              ]
+            },
+            "flags" : 0,
+            "y-offset" : 0,
+            "start-x-offset" : 0,
+            "end-x-offset" : 0,
+            "glyphs" : [
+              {
+                "glyph" : 68,
+                "width" : 26624,
+                "is-cluster-start" : true,
+                "log-cluster" : 0
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "start-index" : 4,
+        "length" : 1,
+        "paragraph-start" : false,
+        "direction" : "ltr",
+        "runs" : [
+          {
+            "offset" : 4,
+            "length" : 1,
+            "text" : " ",
+            "bidi-level" : 0,
+            "gravity" : "south",
+            "language" : "en-us",
+            "script" : "latin",
+            "font" : {
+              "description" : "DejaVu Sans 32",
+              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
+              "matrix" : [
+                1,
+                -0,
+                -0,
+                1,
+                0,
+                0
+              ]
+            },
+            "flags" : 0,
+            "y-offset" : 0,
+            "start-x-offset" : 0,
+            "end-x-offset" : 0,
+            "glyphs" : [
+              {
+                "glyph" : 3,
+                "width" : 14336,
+                "is-cluster-start" : true,
+                "log-cluster" : 0
+              }
+            ]
+          }
+        ]
+      }
+    ]
+  }
+}
diff --git a/tests/meson.build b/tests/meson.build
index 271d9046..a4c545c3 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -123,6 +123,7 @@ installed_test_layouts_data = [
   'layouts/tab-assert.layout',
   'layouts/arabic-format.layout',
   'layouts/no-space.layout',
+  'layouts/aaa.layout',
 ]
 
 test_markups_data = [