From b00bbbc962d0c0aab340ef279f32049174681e70 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Wed, 6 Jun 2012 13:57:06 +0400
Subject: [PATCH] Test case for ambiguous lambda expression

---
 .../expressions/AmbiguousLambdaExpression.txt | 52 +++++++++++++++++++
 .../parser/partial/ExpressionParserTest.java  |  2 +
 2 files changed, 54 insertions(+)
 create mode 100644 java/java-tests/testData/psi/parser-partial/expressions/AmbiguousLambdaExpression.txt

diff --git a/java/java-tests/testData/psi/parser-partial/expressions/AmbiguousLambdaExpression.txt b/java/java-tests/testData/psi/parser-partial/expressions/AmbiguousLambdaExpression.txt
new file mode 100644
index 000000000000..ed9dec7e3d72
--- /dev/null
+++ b/java/java-tests/testData/psi/parser-partial/expressions/AmbiguousLambdaExpression.txt
@@ -0,0 +1,52 @@
+PsiJavaFile:AmbiguousLambdaExpression.java
+  PsiMethodCallExpression:f( (x) < y , z > (w) -> v )
+    PsiReferenceExpression:f
+      PsiReferenceParameterList
+        <empty list>
+      PsiIdentifier:f('f')
+    PsiExpressionList
+      PsiJavaToken:LPARENTH('(')
+      PsiWhiteSpace(' ')
+      PsiBinaryExpression:(x) < y
+        PsiParenthesizedExpression:(x)
+          PsiJavaToken:LPARENTH('(')
+          PsiReferenceExpression:x
+            PsiReferenceParameterList
+              <empty list>
+            PsiIdentifier:x('x')
+          PsiJavaToken:RPARENTH(')')
+        PsiWhiteSpace(' ')
+        PsiJavaToken:LT('<')
+        PsiWhiteSpace(' ')
+        PsiReferenceExpression:y
+          PsiReferenceParameterList
+            <empty list>
+          PsiIdentifier:y('y')
+      PsiWhiteSpace(' ')
+      PsiJavaToken:COMMA(',')
+      PsiWhiteSpace(' ')
+      PsiBinaryExpression:z > (w) -> v
+        PsiReferenceExpression:z
+          PsiReferenceParameterList
+            <empty list>
+          PsiIdentifier:z('z')
+        PsiWhiteSpace(' ')
+        PsiJavaToken:GT('>')
+        PsiWhiteSpace(' ')
+        PsiLambdaExpression:(w) -> v
+          PsiParameterList:(w)
+            PsiJavaToken:LPARENTH('(')
+            PsiParameter:w
+              PsiModifierList:
+                <empty list>
+              PsiIdentifier:w('w')
+            PsiJavaToken:RPARENTH(')')
+          PsiWhiteSpace(' ')
+          PsiJavaToken:ARROW('->')
+          PsiWhiteSpace(' ')
+          PsiReferenceExpression:v
+            PsiReferenceParameterList
+              <empty list>
+            PsiIdentifier:v('v')
+      PsiWhiteSpace(' ')
+      PsiJavaToken:RPARENTH(')')
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/lang/java/parser/partial/ExpressionParserTest.java b/java/java-tests/testSrc/com/intellij/lang/java/parser/partial/ExpressionParserTest.java
index 87f78668a16d..414d2a50948b 100644
--- a/java/java-tests/testSrc/com/intellij/lang/java/parser/partial/ExpressionParserTest.java
+++ b/java/java-tests/testSrc/com/intellij/lang/java/parser/partial/ExpressionParserTest.java
@@ -135,6 +135,8 @@ public class ExpressionParserTest extends JavaParsingTestCase {
   public void testLambdaExpression10() { doParserTest("(I)(p -> null)"); }
   public void testLambdaExpression11() { doParserTest("() -> { }"); }
 
+  public void testAmbiguousLambdaExpression() { doParserTest("f( (x) < y , z > (w) -> v )"); }
+
   private void doParserTest(@NonNls final String text) {
     doParserTest(text, new MyTestParser());
   }