Behavior on typing chars with code completion lookup is completely defined by our own handler + added tests for this handler + fixed a few bugs related to this behavior

idea/testData/completion/basic/common/namedParameters/AfterBrace.kt

@@ -3,4 +3,4 @@ fun small(param: Int) {
 
 fun test() = small(<caret>)
 
-// EXIST: {"lookupString":"param =","tailText":" Int","itemText":"param ="}
+// EXIST: {"lookupString":"param","tailText":" Int","itemText":"param ="}

idea/testData/completion/basic/common/namedParameters/AfterComma.kt

@@ -3,5 +3,5 @@ fun small(first: Int, second: Int) {
 
 fun test() = small(12, <caret>)
 
-// ABSENT: "first ="
-// EXIST: "second ="
+// ABSENT: first
+// EXIST: { lookupString:"second", itemText:"second =" }

idea/testData/completion/basic/common/namedParameters/CompactTypeNames.kt

@@ -7,5 +7,5 @@ fun small(paramFirst: ArrayList<String>, paramSecond: Comparable<java.lang.Runti
 
 fun test() = small(<caret>)
 
-// EXIST: {"lookupString":"paramSecond =","tailText":" Comparable<RuntimeException>","itemText":"paramSecond ="}
-// EXIST: {"lookupString":"paramFirst =","tailText":" ArrayList<String>","itemText":"paramFirst ="}
+// EXIST: {"lookupString":"paramSecond","tailText":" Comparable<RuntimeException>","itemText":"paramSecond ="}
+// EXIST: {"lookupString":"paramFirst","tailText":" ArrayList<String>","itemText":"paramFirst ="}

idea/testData/completion/basic/common/namedParameters/InParameterExpression.kt

@@ -6,6 +6,6 @@ fun small(paramFirst: Int, paramSecond: Int) {
 fun test() = small(paramFirst = param<caret>)
 
 // EXIST: paramTest
-// ABSENT: {"lookupString":"paramFirst =","tailText":" Int","itemText":"paramFirst ="}
-// ABSENT: "paramSecond ="
+// ABSENT: {"lookupString":"paramFirst","tailText":" Int","itemText":"paramFirst ="}
+// ABSENT: paramSecond
 // NUMBER: 1

idea/testData/completion/basic/common/namedParameters/NamedParametersFromOverloads.kt

@@ -10,11 +10,11 @@ fun other() {
     foo(n<caret>)
 }
 
-// EXIST: "nFirst ="
-// EXIST: "nSecond ="
-// EXIST: "nThird ="
+// EXIST: { lookupString:"nFirst", itemText:"nFirst =" }
+// EXIST: { lookupString:"nSecond", itemText:"nSecond =" }
+// EXIST: { lookupString:"nThird", itemText:"nThird =" }
 // EXIST: nLocal
 
 // todo - should exist
-// ABSENT: "nClassParam ="
-// ABSENT: "nClassField ="
+// ABSENT: nClassParam
+// ABSENT: nClassField

idea/testData/completion/basic/common/namedParameters/NamedParamsInConstructor.kt

@@ -6,5 +6,5 @@ fun other() {
     Foo(p<caret>)
 }
 
-// EXIST: {"lookupString":"pFirst =","tailText":" String?","itemText":"pFirst ="}
-// EXIST: {"lookupString":"pSecond =","tailText":" Int","itemText":"pSecond ="}
+// EXIST: {"lookupString":"pFirst","tailText":" String?","itemText":"pFirst ="}
+// EXIST: {"lookupString":"pSecond","tailText":" Int","itemText":"pSecond ="}

idea/testData/completion/basic/common/namedParameters/NoAlreadyUsedParameters.kt

@@ -4,8 +4,8 @@ fun test() {
     foo("str", paramThird = "test", param<caret>)
 }
 
-// ABSENT: "paramFirst ="
-// EXIST: "paramSecond ="
-// ABSENT: "paramThird ="
-// EXIST: "paramFourth ="
+// ABSENT: paramFirst
+// EXIST: paramSecond
+// ABSENT: paramThird
+// EXIST: paramFourth
 

idea/testData/completion/basic/common/namedParameters/NoParamsFromUnapplicableOverload.kt

@@ -5,7 +5,7 @@ fun test() {
     foo(12, param<caret>)
 }
 
-// ABSENT: "paramFirst ="
-// EXIST: {"lookupString":"paramSecond =","tailText":" Int","itemText":"paramSecond ="}
-// ABSENT: "paramThird ="
-// ABSENT: "paramFourth ="
+// ABSENT: paramFirst
+// EXIST: {"lookupString":"paramSecond","tailText":" Int","itemText":"paramSecond ="}
+// ABSENT: paramThird
+// ABSENT: paramFourth

idea/testData/completion/basic/common/namedParameters/NotOnlyNamedParameters.kt

@@ -4,6 +4,6 @@ fun foo(first: Int, second: Int, third: String) {
 fun test(p: Int) = foo(12, <caret>, third = "")
 
 // EXIST: p
-// ABSENT: "first ="
-// EXIST: "third ="
-// EXIST: "second ="
+// ABSENT: first
+// EXIST: third
+// EXIST: second

idea/testData/completion/basic/common/namedParameters/NotOnlyNamedParameters2.kt

@@ -4,6 +4,6 @@ fun foo(first: Int, second: Int, third: String) {
 fun test(p: Int) = foo(<caret>second = 3)
 
 // EXIST: p
-// EXIST: "first ="
-// EXIST: "second ="
-// EXIST: "third ="
+// EXIST: first
+// EXIST: second
+// EXIST: third

idea/testData/completion/basic/common/namedParameters/OnlyNamedParameters.kt

@@ -4,7 +4,7 @@ fun foo(first: Int, second: Int, third: String) {
 fun test(p: Int) = foo(12, third = "", <caret>)
 
 // ABSENT: p
-// ABSENT: "first ="
-// ABSENT: "third ="
-// EXIST: "second ="
+// ABSENT: first
+// ABSENT: third
+// EXIST: second
 // NUMBER: 1

idea/testData/completion/basic/common/namedParameters/WithParameterExpression.kt

@@ -5,8 +5,8 @@ fun small(paramFirst: Int, paramSecond: Int) {
 
 fun test() = small(param<caret>First = 12)
 
-// EXIST: "paramFirst ="
-// EXIST: "paramSecond ="
+// EXIST: paramFirst
+// EXIST: paramSecond
 // EXIST: paramTest
 
 // NUMBER: 3

idea/testData/completion/basic/custom/NamedArgumentsKotlin.kt

@@ -2,5 +2,5 @@ import lib.KotlinClass
 
 fun test() = KotlinClass().foo(<caret>)
 
-// ABSENT: "p0 ="
-// EXIST: "paramName ="
+// ABSENT: p0
+// EXIST: { lookupString:"paramName", itemText:"paramName =" }