From f2b7d3bd95a70c57026d7a61d23305166482f9cc Mon Sep 17 00:00:00 2001
From: James Westman <james@jwestman.net>
Date: Wed, 24 Nov 2021 14:39:35 -0600
Subject: [PATCH] Fix uint properties

---
 gtkblueprinttool/ast.py      | 8 ++++++++
 tests/sample_errors/uint.blp | 5 +++++
 tests/sample_errors/uint.err | 1 +
 tests/samples/uint.blp       | 5 +++++
 tests/samples/uint.ui        | 7 +++++++
 tests/test_samples.py        | 2 ++
 6 files changed, 28 insertions(+)
 create mode 100644 tests/sample_errors/uint.blp
 create mode 100644 tests/sample_errors/uint.err
 create mode 100644 tests/samples/uint.blp
 create mode 100644 tests/samples/uint.ui

diff --git a/gtkblueprinttool/ast.py b/gtkblueprinttool/ast.py
index 5120139..4b93cd3 100644
--- a/gtkblueprinttool/ast.py
+++ b/gtkblueprinttool/ast.py
@@ -377,6 +377,14 @@ class LiteralValue(Value):
             except:
                 raise CompileError(f"Cannot convert {self.tokens['value']} to integer")
 
+        elif isinstance(type, gir.UIntType):
+            try:
+                int(self.tokens["value"])
+                if int(self.tokens["value"]) < 0:
+                    raise Exception()
+            except:
+                raise CompileError(f"Cannot convert {self.tokens['value']} to unsigned integer")
+
         elif isinstance(type, gir.FloatType):
             try:
                 float(self.tokens["value"])
diff --git a/tests/sample_errors/uint.blp b/tests/sample_errors/uint.blp
new file mode 100644
index 0000000..f4c20f2
--- /dev/null
+++ b/tests/sample_errors/uint.blp
@@ -0,0 +1,5 @@
+using Gtk 4.0;
+
+FlowBox {
+  column-spacing: -2;
+}
diff --git a/tests/sample_errors/uint.err b/tests/sample_errors/uint.err
new file mode 100644
index 0000000..259e0e2
--- /dev/null
+++ b/tests/sample_errors/uint.err
@@ -0,0 +1 @@
+4,19,2,Cannot convert -2 to unsigned integer
diff --git a/tests/samples/uint.blp b/tests/samples/uint.blp
new file mode 100644
index 0000000..c0befe4
--- /dev/null
+++ b/tests/samples/uint.blp
@@ -0,0 +1,5 @@
+using Gtk 4.0;
+
+FlowBox {
+  column-spacing: 2;
+}
diff --git a/tests/samples/uint.ui b/tests/samples/uint.ui
new file mode 100644
index 0000000..d64f298
--- /dev/null
+++ b/tests/samples/uint.ui
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <object class="GtkFlowBox">
+    <property name="column-spacing">2</property>
+  </object>
+</interface>
diff --git a/tests/test_samples.py b/tests/test_samples.py
index 0b06257..5ae3e0b 100644
--- a/tests/test_samples.py
+++ b/tests/test_samples.py
@@ -110,6 +110,7 @@ class TestSamples(unittest.TestCase):
         self.assert_sample("style")
         self.assert_sample("template")
         self.assert_sample("translated")
+        self.assert_sample("uint")
         self.assert_sample("using")
 
 
@@ -136,5 +137,6 @@ class TestSamples(unittest.TestCase):
         self.assert_sample_error("size_group_obj_dne")
         self.assert_sample_error("styles_in_non_widget")
         self.assert_sample_error("two_templates")
+        self.assert_sample_error("uint")
         self.assert_sample_error("using_invalid_namespace")
         self.assert_sample_error("widgets_in_non_size_group")