From a36c59a4911a7db525f6b03dc98fac5adde163b4 Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Thu, 7 Jan 2021 15:12:13 -0800
Subject: Support environment variables with parens in the preprocessor

Fixes wixtoolset/issues#4484
---
 .../PreprocessorFixture.cs                             | 18 ++++++++++++++++++
 .../TestData/Preprocessor/EnvParens.wxs                |  4 ++++
 2 files changed, 22 insertions(+)
 create mode 100644 src/test/WixToolsetTest.CoreIntegration/TestData/Preprocessor/EnvParens.wxs

(limited to 'src/test/WixToolsetTest.CoreIntegration')

diff --git a/src/test/WixToolsetTest.CoreIntegration/PreprocessorFixture.cs b/src/test/WixToolsetTest.CoreIntegration/PreprocessorFixture.cs
index a6504cb9..aad3ed73 100644
--- a/src/test/WixToolsetTest.CoreIntegration/PreprocessorFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/PreprocessorFixture.cs
@@ -39,6 +39,24 @@ namespace WixToolsetTest.CoreIntegration
             Assert.Null(includedFile.SourceLineNumbers.Parent);
         }
 
+        [Fact]
+        /// <remarks>
+        /// This test will fail on 32-bit operating systems because it depends on "CommonProgramFiles(x86)"
+        /// which is only defined on 64-bit Windows.
+        /// </remarks>
+        public void SupportParensInEnvironmentVariables()
+        {
+            var folder = TestData.Get(@"TestData", "Preprocessor");
+
+            var serviceProvider = WixToolsetServiceProviderFactory.CreateServiceProvider();
+            var context = serviceProvider.GetService<IPreprocessContext>();
+            context.SourcePath = Path.Combine(folder, "EnvParens.wxs");
+
+            var preprocessor = serviceProvider.GetService<IPreprocessor>();
+            var result = preprocessor.Preprocess(context);
+            Assert.NotNull(result.Document);
+        }
+
         [Fact]
         public void VariableRedefinitionIsAWarning()
         {
diff --git a/src/test/WixToolsetTest.CoreIntegration/TestData/Preprocessor/EnvParens.wxs b/src/test/WixToolsetTest.CoreIntegration/TestData/Preprocessor/EnvParens.wxs
new file mode 100644
index 00000000..68d115c5
--- /dev/null
+++ b/src/test/WixToolsetTest.CoreIntegration/TestData/Preprocessor/EnvParens.wxs
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+    <?define Test = "$(env.CommonProgramFiles(x86))" ?>
+</Wix>
-- 
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