From 0ef74410ceb3d9dc56c8a5bc4263ac1dbf49be00 Mon Sep 17 00:00:00 2001
From: serso <se.solovyev@gmail.com>
Date: Thu, 17 Nov 2011 17:50:14 +0400
Subject: [PATCH] fixes

---
 res/layout/calc_operators_button.xml                      | 1 -
 .../org/solovyev/android/calculator/TextHighlighter.java  | 5 +++++
 .../android/calculator/model/CalculatorEngineTest.java    | 8 +++++++-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/res/layout/calc_operators_button.xml b/res/layout/calc_operators_button.xml
index ffb943fc..a62fce58 100644
--- a/res/layout/calc_operators_button.xml
+++ b/res/layout/calc_operators_button.xml
@@ -9,6 +9,5 @@
 <org.solovyev.android.view.widgets.DirectionDragButton xmlns:a="http://schemas.android.com/apk/res/android"
 													   a:id="@+id/functionsButton"
 													   a:text="∂,∫"
-													   a:textStyle="italic"
 													   a:onClick="operatorsButtonClickHandler"
 													   style="?controlButtonStyle"/>
\ No newline at end of file
diff --git a/src/main/java/org/solovyev/android/calculator/TextHighlighter.java b/src/main/java/org/solovyev/android/calculator/TextHighlighter.java
index 34ccca9e..676571ca 100644
--- a/src/main/java/org/solovyev/android/calculator/TextHighlighter.java
+++ b/src/main/java/org/solovyev/android/calculator/TextHighlighter.java
@@ -105,6 +105,11 @@ public class TextHighlighter implements TextProcessor<TextHighlighter.Result> {
 					text1.append(text.charAt(i));
 					break;
 				case operator:
+					text1.append(mathType.getMatch());
+					if (mathType.getMatch().length() > 1) {
+						i += mathType.getMatch().length() - 1;
+					}
+					break;
 				case function:
 					i = processHighlightedText(text1, i, mathType.getMatch(), "i");
 					break;
diff --git a/src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java b/src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java
index 58bf8ff3..dc081551 100644
--- a/src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java
+++ b/src/test/java/org/solovyev/android/calculator/model/CalculatorEngineTest.java
@@ -81,7 +81,7 @@ public class CalculatorEngineTest {
 		Assert.assertEquals("0", cm.evaluate(JsclOperation.numeric, "eq(0, 1)").getResult());
 		Assert.assertEquals("1", cm.evaluate(JsclOperation.numeric, "eq(1, 1)").getResult());
 		Assert.assertEquals("1", cm.evaluate(JsclOperation.numeric, "eq(  1,   1)").getResult());
-		Assert.assertEquals("eq(1,1)", cm.evaluate(JsclOperation.simplify, "eq(  1,   1)").getResult());
+		Assert.assertEquals("1", cm.evaluate(JsclOperation.simplify, "eq(  1,   1)").getResult());
 		Assert.assertEquals("1", cm.evaluate(JsclOperation.numeric, "lg(10)").getResult());
 		Assert.assertEquals("4", cm.evaluate(JsclOperation.numeric, "2+2").getResult());
 		Assert.assertEquals("-0.757", cm.evaluate(JsclOperation.numeric, "sin(4)").getResult());
@@ -184,6 +184,12 @@ public class CalculatorEngineTest {
 			cm.setTimeout(3000);
 		}*/
 
+		CalculatorEngine.instance.getVarsRegister().add(new Var.Builder("t", (String) null));
+		Assert.assertEquals("2t", cm.evaluate(JsclOperation.simplify, "∂(t^2,t)").getResult());
+		Assert.assertEquals("2t", cm.evaluate(JsclOperation.numeric, "∂(t^2,t)").getResult());
+		CalculatorEngine.instance.getVarsRegister().add(new Var.Builder("t", "2"));
+		Assert.assertEquals("2t", cm.evaluate(JsclOperation.simplify, "∂(t^2,t)").getResult());
+		Assert.assertEquals("4", cm.evaluate(JsclOperation.numeric, "∂(t^2,t)").getResult());
 	}
 
 	@Test