Compute constant expression as an inspection; minor improvements

Works for unary operation
Do not suggested if replacement is the same as the original code
Replacement is displayed in the quick-fix name

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/afterLongString.java

@@ -0,0 +1,7 @@
+// "Compute constant value of '"The quick brown fox jumps " + 100000 + " times" + " over the lazy dog"'" "true"
+class Test {
+  void test() {
+    // Do not display the result in action name
+    String foo = "The quick brown fox jumps 100000 times over the lazy dog";
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/afterSimple.java

@@ -0,0 +1,4 @@
+// "Replace '2 * 2' with constant value '4'" "true"
+class Test {
+  int x = 4;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/afterStrings.java

@@ -0,0 +1,16 @@
+// "Fix all 'Constant expression can be evaluated' problems in file" "true"
+class Test {
+  void test() {
+    String[] squares = new String[10];
+    squares[0] = "0*0=0";
+    squares[1] = "1*1=1";
+    squares[2] = "2*2=4";
+    squares[3] = "3*3=9";
+    squares[4] = "4*4=16";
+    squares[5] = "5*5=25";
+    squares[6] = "6*6=36";
+    squares[7] = "7*7=49";
+    squares[8] = "8*8=64";
+    squares[9] = "9*9=81";
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/afterUnary.java

@@ -0,0 +1,4 @@
+// "Replace '~2' with constant value '-3'" "true"
+class Test {
+  int x = -3;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/beforeLongString.java

@@ -0,0 +1,7 @@
+// "Compute constant value of '"The quick brown fox jumps " + 100000 + " times" + " over the lazy dog"'" "true"
+class Test {
+  void test() {
+    // Do not display the result in action name
+    String foo = "The quick brown fox jumps " + 10<caret>0000 + " times" + " over the lazy dog";
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/beforeSimple.java

@@ -0,0 +1,4 @@
+// "Replace '2 * 2' with constant value '4'" "true"
+class Test {
+  int x = 2*<caret>2;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/beforeStrings.java

@@ -0,0 +1,16 @@
+// "Fix all 'Constant expression can be evaluated' problems in file" "true"
+class Test {
+  void test() {
+    String[] squares = new String[10];
+    squares[0] = 0 <caret>+ "*" + 0 + "=" + 0 * 0;
+    squares[1] = 1 + "*" + 1 + "=" + 1 * 1;
+    squares[2] = 2 + "*" + 2 + "=" + 2 * 2;
+    squares[3] = 3 + "*" + 3 + "=" + 3 * 3;
+    squares[4] = 4 + "*" + 4 + "=" + 4 * 4;
+    squares[5] = 5 + "*" + 5 + "=" + 5 * 5;
+    squares[6] = 6 + "*" + 6 + "=" + 6 * 6;
+    squares[7] = 7 + "*" + 7 + "=" + 7 * 7;
+    squares[8] = 8 + "*" + 8 + "=" + 8 * 8;
+    squares[9] = 9 + "*" + 9 + "=" + 9 * 9;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/beforeUnary.java

@@ -0,0 +1,4 @@
+// "Replace '~2' with constant value '-3'" "true"
+class Test {
+  int x = ~<caret>2;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/beforeUnaryMinus.java

@@ -0,0 +1,4 @@
+// "Fix all 'Constant expression can be evaluated' problems in file" "false"
+class Test {
+  int x = -<caret>2;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/constantExpression/beforeVeryLongString.java

@@ -0,0 +1,11 @@
+// "Fix all 'Constant expression can be evaluated' problems in file" "false"
+class Test {
+  void test() {
+    // Do not suggest to compute for performance reasons
+    String foo = "The quick brown fox jumps " + 10<caret>0000 + "times" + "over the lazy dog"+
+                 "The quick brown fox jumps " + 100000 + "times" + "over the lazy dog"+
+                 "The quick brown fox jumps " + 100000 + "times" + "over the lazy dog"+
+                 "The quick brown fox jumps " + 100000 + "times" + "over the lazy dog"+
+                 "The quick brown fox jumps " + 100000 + "times" + "over the lazy dog";
+  }
+}