Adding contextual typing test

ahejlsberg · ahejlsberg · commit 82c010e12ae9 · 2015-09-29T15:26:27.000-07:00
diff --git a/tests/baselines/reference/contextualThisType.js b/tests/baselines/reference/contextualThisType.js
@@ -0,0 +1,24 @@
+//// [contextualThisType.ts]
+interface X {
+    a: (p: this) => this;
+}
+
+interface Y extends X {
+}
+
+var x: Y = {
+    a(p) {
+        return p;
+    }
+}
+
+var y = x.a(x);
+
+
+//// [contextualThisType.js]
+var x = {
+    a: function (p) {
+        return p;
+    }
+};
+var y = x.a(x);
diff --git a/tests/baselines/reference/contextualThisType.symbols b/tests/baselines/reference/contextualThisType.symbols
@@ -0,0 +1,34 @@
+=== tests/cases/conformance/types/thisType/contextualThisType.ts ===
+interface X {
+>X : Symbol(X, Decl(contextualThisType.ts, 0, 0))
+
+    a: (p: this) => this;
+>a : Symbol(a, Decl(contextualThisType.ts, 0, 13))
+>p : Symbol(p, Decl(contextualThisType.ts, 1, 8))
+}
+
+interface Y extends X {
+>Y : Symbol(Y, Decl(contextualThisType.ts, 2, 1))
+>X : Symbol(X, Decl(contextualThisType.ts, 0, 0))
+}
+
+var x: Y = {
+>x : Symbol(x, Decl(contextualThisType.ts, 7, 3))
+>Y : Symbol(Y, Decl(contextualThisType.ts, 2, 1))
+
+    a(p) {
+>a : Symbol(a, Decl(contextualThisType.ts, 7, 12))
+>p : Symbol(p, Decl(contextualThisType.ts, 8, 6))
+
+        return p;
+>p : Symbol(p, Decl(contextualThisType.ts, 8, 6))
+    }
+}
+
+var y = x.a(x);
+>y : Symbol(y, Decl(contextualThisType.ts, 13, 3))
+>x.a : Symbol(X.a, Decl(contextualThisType.ts, 0, 13))
+>x : Symbol(x, Decl(contextualThisType.ts, 7, 3))
+>a : Symbol(X.a, Decl(contextualThisType.ts, 0, 13))
+>x : Symbol(x, Decl(contextualThisType.ts, 7, 3))
+
diff --git a/tests/baselines/reference/contextualThisType.types b/tests/baselines/reference/contextualThisType.types
@@ -0,0 +1,36 @@
+=== tests/cases/conformance/types/thisType/contextualThisType.ts ===
+interface X {
+>X : X
+
+    a: (p: this) => this;
+>a : (p: this) => this
+>p : this
+}
+
+interface Y extends X {
+>Y : Y
+>X : X
+}
+
+var x: Y = {
+>x : Y
+>Y : Y
+>{    a(p) {        return p;    }} : { a(p: Y): Y; }
+
+    a(p) {
+>a : (p: Y) => Y
+>p : Y
+
+        return p;
+>p : Y
+    }
+}
+
+var y = x.a(x);
+>y : Y
+>x.a(x) : Y
+>x.a : (p: Y) => Y
+>x : Y
+>a : (p: Y) => Y
+>x : Y
+
diff --git a/tests/cases/conformance/types/thisType/contextualThisType.ts b/tests/cases/conformance/types/thisType/contextualThisType.ts
@@ -0,0 +1,14 @@
+interface X {
+    a: (p: this) => this;
+}
+
+interface Y extends X {
+}
+
+var x: Y = {
+    a(p) {
+        return p;
+    }
+}
+
+var y = x.a(x);
