classfields: field definition abrupt completion tests

# Conflicts:
#	test/language/statements/class/classelementname-abrupt-completion.js
#	test/language/statements/class/fielddefinition-initializer-abrupt-completion.js
#	test/language/statements/class/super-fielddefinition-initializer-abrupt-completion.js

test/language/statements/class/static-classelementname-abrupt-completion.js

@@ -0,0 +1,42 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class definition should error if evaluation of static ClassElementName errors
+esid: runtime-semantics-class-definition-evaluation
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+  ...
+  27. For each ClassElement e in order from elements
+    a. If IsStatic of e is false, then
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments proto and false.
+    b. Else,
+        i. Let fields be the result of performing ClassElementEvaluation for e with arguments F and false.
+    c. If fields is an abrupt completion, then
+        i. Set the running execution context's LexicalEnvironment to lex.
+        ii. Set the running execution context's PrivateNameEnvironment to outerPrivateEnvironment.
+        iii. Return Completion(status).
+
+  Runtime Semantics: ClassElementEvaluation
+  ...
+    ClassElement : static FieldDefinition ;
+      1. Return ClassFieldDefinitionEvaluation of FieldDefinition with parameter true and object.
+
+  Runtime Semantics: ClassFieldDefinitionEvaluation
+  With parameters isStatic and homeObject.
+    FieldDefinition : ClassElementNameInitializer
+      1. Let fieldName be the result of evaluating ClassElementName.
+      2. ReturnIfAbrupt(fieldName).
+
+features: [class-fields]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+  class C {
+    static [f()]
+  }
+});

test/language/statements/class/static-fielddefinition-initializer-abrupt-completion.js

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+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Class construction should error if evaluation of static field initializer errors
+esid: runtime-semantics-class-definition-evaluation
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+  ...
+  33. Let result be InitializeStaticFields(F).
+  34. If result is an abrupt completion, then
+    a. Set the running execution context's LexicalEnvironment to lex.
+    b. Return Completion(result).
+
+  InitializeStaticFields(F)
+    1. Assert: Type(F) is Object.
+    2. Assert: F is an ECMAScript function object.
+    3. Let fieldRecords be the value of F's [[Fields]] internal slot.
+    4. For each item fieldRecord in order from fieldRecords,
+      a. If fieldRecord.[[static]] is true, then
+        i. Perform ? DefineField(F, fieldRecord).
+
+  DefineField(receiver, fieldRecord)
+    1. Assert: Type(receiver) is Object.
+    2. Assert: fieldRecord is a Record as created by ClassFieldDefinitionEvaluation.
+    3. Let fieldName be fieldRecord.[[Name]].
+    4. Let initializer be fieldRecord.[[Initializer]].
+    5. If initializer is not empty, then
+        a. Let initValue be ? Call(initializer, receiver).
+
+features: [class-fields]
+---*/
+
+function f() {
+  throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+  class C {
+    static x = f();
+  }
+})