add tests

* verified that new tests show no regressions against master

tests/cases/fourslash/indentationInArrays.ts

@@ -0,0 +1,21 @@
+/// <reference path="fourslash.ts"/>
+
+//// function foo() {
+////     [/*8_0*/1,2,3];
+////     [1/*8_1*/,2,3];
+////     [1,/*8_2*/2,3];
+////     [
+////         1,/*8_3*/2,3];
+////     [1,2,3/*8_4*/];
+////     [
+////         1,2,3/*8_5*/];
+////     [1,2,3]/*8_6*/;
+////     [
+////         1,2,3]/*8_7*/;
+//// }
+
+for (let i = 0; i < 8; ++i) {
+    goTo.marker(`8_${i}`);
+    edit.insertLine("");
+    verify.indentationIs(8);
+}

tests/cases/fourslash/indentationInAssignment.ts

@@ -0,0 +1,37 @@
+/// <reference path="fourslash.ts"/>
+
+//// var v0 = /*4_0*/
+////     1;
+//// 
+//// let v1 = 1 /*4_1*/
+////     + 10;
+//// 
+//// let v2 = 1 + /*4_2*/
+////     1;
+//// 
+//// let v3 = 1 + (function /*0_0*/(x: number, y: number) { return x || y; })(0, 1);
+//// 
+//// let v4 = 1 + (function (x: number, /*4_3*/y: number) { return x || y; })(0, 1);
+//// 
+//// let v5 = 1 + (function (x: number, y: number) { /*4_4*/return x || y; })(0, 1);
+//// 
+//// let v6 = 1 + (function (x: number, y: number) { return x || y;/*0_1*/})(0, 1);
+//// 
+//// let v7 = 1 + (function (x: number, y: number) {
+////     return x || y;/*4_5*/
+//// })(0, 1);
+//// 
+//// let v8 = 1 + (function (x: number, y: number) { return x || y; })(0, /*4_6*/1);
+
+
+for (let i = 0; i < 2; ++i) {
+    goTo.marker(`0_${i}`);
+    edit.insertLine("");
+    verify.indentationIs(0);
+}
+
+for (let i = 0; i < 7; ++i) {
+    goTo.marker(`4_${i}`);
+    edit.insertLine("");
+    verify.indentationIs(4);
+}

tests/cases/fourslash/indentationInAsyncExpressions.ts

@@ -0,0 +1,16 @@
+/// <reference path="fourslash.ts"/>
+
+
+//// async function* foo() {
+////     yield /*8_0*/await 1;
+////     yield await /*8_1*/1;
+////     yield 
+////     await /*8_2*/1;
+////     yield await 1/*8_3*/;
+//// }
+
+for (let i = 0; i < 4; ++i) {
+    goTo.marker(`8_${i}`);
+    edit.insertLine("");
+    verify.indentationIs(8);
+}

tests/cases/fourslash/indentationInClassExpression.ts

@@ -0,0 +1,31 @@
+/// <reference path="fourslash.ts"/>
+
+////function foo() {
+////    let x: any;
+////    x = /*8_0*/class { constructor(public x: number) { } };
+////    x = class /*4_0*/{ constructor(public x: number) { } };
+////    x = class { /*8_1*/constructor(public x: number) { } };
+////    x = class { constructor(/*12_0*/public x: number) { } };
+////    x = class { constructor(public /*12_1*/x: number) { } };
+////    x = class { constructor(public x: number) {/*8_2*/ } };
+////    x = class {
+////        constructor(/*12_2*/public x: number) { }
+////    };
+////    x = class {
+////        constructor(public x: number) {/*8_3*/ }
+////    };
+////    x = class {
+////        constructor(public x: number) { }/*4_1*/};
+////}
+
+function verifyIndentation(level: number, count: number) {
+    for (let i = 0; i < count; ++i) {
+        goTo.marker(`${level}_${i}`);
+        edit.insertLine("");
+        verify.indentationIs(level);
+    }
+}
+
+verifyIndentation(4, 2);
+verifyIndentation(8, 4);
+verifyIndentation(12, 3);

tests/cases/fourslash/indentationInObject.ts

@@ -0,0 +1,30 @@
+/// <reference path="fourslash.ts"/>
+
+//// function foo() {
+////     {/*8_0*/x:1;y:2;z:3};
+////     {x:1/*12_0*/;y:2;z:3};
+////     {x:1;/*8_1*/y:2;z:3};
+////     {
+////         x:1;/*8_2*/y:2;z:3};
+////     {x:1;y:2;z:3/*4_0*/};
+////     {
+////         x:1;y:2;z:3/*4_1*/};
+////     {x:1;y:2;z:3}/*4_2*/;
+////     {
+////         x:1;y:2;z:3}/*4_3*/;
+//// }
+
+for (let i = 0; i < 4; ++i) {
+    goTo.marker(`4_${i}`);
+    edit.insertLine("");
+    verify.indentationIs(4);
+}
+for (let i = 0; i < 3; ++i) {
+    goTo.marker(`8_${i}`);
+    edit.insertLine("");
+    verify.indentationIs(8);
+}
+
+    goTo.marker(`12_0`);
+    edit.insertLine("");
+    verify.indentationIs(12);