Index: tests/language_strong/cascade_precedence_test.dart |
diff --git a/tests/language_strong/cascade_precedence_test.dart b/tests/language_strong/cascade_precedence_test.dart |
index acbb37364484c73a13a984f0eb8831f259d920b5..3ddf252809584c2d6b6fbc8b9fc9b27d91ba000f 100644 |
--- a/tests/language_strong/cascade_precedence_test.dart |
+++ b/tests/language_strong/cascade_precedence_test.dart |
@@ -4,23 +4,30 @@ |
import "package:expect/expect.dart"; |
- |
class A { |
int value; |
A(this.value); |
- void set(int value) { this.value = value; } |
+ void set(int value) { |
+ this.value = value; |
+ } |
+ |
int get() => value; |
- int operator[](int index) => value + index; |
- void operator[]=(int index, int newValue) { value += -index + newValue; } |
+ int operator [](int index) => value + index; |
+ void operator []=(int index, int newValue) { |
+ value += -index + newValue; |
+ } |
+ |
void test(int expected) { |
Expect.equals(expected, value); |
} |
+ |
Function limp(int n) { |
if (n == 0) return set; |
return () => limp(n - 1); |
} |
+ |
A get self => this; |
- A operator+(A other) { |
+ A operator +(A other) { |
this.value += other.value; |
return this; |
} |
@@ -29,10 +36,15 @@ class A { |
class Box { |
A value; |
Box(this.value); |
- A operator[](int pos) => value; |
- void operator[]=(int pos, A a) { value = a; } |
+ A operator [](int pos) => value; |
+ void operator []=(int pos, A a) { |
+ value = a; |
+ } |
+ |
A get x => value; |
- void set x(A a) { value = a; } |
+ void set x(A a) { |
+ value = a; |
+ } |
} |
// Subset of grammar being tested. |
@@ -83,57 +95,89 @@ main() { |
Box box = new Box(a); |
// Different expressions on the left-hand side of '..'. |
// conditionalExpression >> postfixExpression > primary selector* |
- Expect.equals(a, a..set(37)..get()); |
+ Expect.equals( |
+ a, |
+ a |
+ ..set(37) |
+ ..get()); |
a.test(37); |
- Expect.equals(a, fa()..set(42)..get()); |
+ Expect.equals( |
+ a, |
+ fa() |
+ ..set(42) |
+ ..get()); |
a.test(42); |
- Expect.equals(a, box.x..set(37)..get()); |
+ Expect.equals( |
+ a, |
+ box.x |
+ ..set(37) |
+ ..get()); |
a.test(37); |
// '..' binds to 'b + a', i.e., to the 'b' object, not to 'a'. |
- Expect.equals(b, b + a..test(124)..set(117)..get()); |
+ Expect.equals( |
+ b, |
+ b + a |
+ ..test(124) |
+ ..set(117) |
+ ..get()); |
b.test(117); |
a.test(37); |
// expression :: conditionalExpression cascadeSection |
// and conditionalExpression ends in expressionWithoutCascade. |
// I.e., '..' binds to the entire condition expression, not to 'b'. |
- (a.value == 37) ? a : b..set(42); |
+ (a.value == 37) ? a : b |
+ ..set(42); |
a.test(42); |
// This binds .. to 'a', not 'c=a', and performs assignment after reading |
// c.get(). |
A c = new A(21); |
- c = a..set(c.get()); // FAILING. |
+ c = a..set(c.get()); // FAILING. |
Expect.equals(a, c); |
Expect.equals(original, a); |
- a.test(21); // Fails as 42 if above is parsed as (c = a)..set(c.get()). |
+ a.test(21); // Fails as 42 if above is parsed as (c = a)..set(c.get()). |
// Should be parsed as (box..x = (c = a))..x.test(21). |
c = null; |
- box..x = c = a..x.test(21); |
+ box |
+ ..x = c = a |
+ ..x.test(21); |
c.test(21); |
// Other variants |
c = null; |
- box..x = c = (a..test(21))..x.test(21); |
+ box |
+ ..x = c = (a..test(21)) |
+ ..x.test(21); |
c.test(21); |
c = null; |
- box..x = (c = a..test(21))..x.test(21); |
+ box |
+ ..x = (c = a..test(21)) |
+ ..x.test(21); |
c.test(21); |
// Should work the same: |
(a..set(42))..test(42); |
- a..set(21)..test(21); |
+ a |
+ ..set(21) |
+ ..test(21); |
c = null; |
Box originalBox = box; |
// Should parse as: |
// box = (box..x = (a.value == 21 ? b : c)..x.test(117)); |
- box = box..x = a.value == 21 ? b : c..x.test(117); |
+ box = box |
+ ..x = a.value == 21 ? b : c |
+ ..x.test(117); |
Expect.equals(originalBox, box); |
Expect.equals(box.value, b); |
// New cascades are allowed inside an expressionWithoutCascade if properly |
// delimited. |
- box..x = (a..set(42)..test(42))..x.test(42); |
+ box |
+ ..x = (a |
+ ..set(42) |
+ ..test(42)) |
+ ..x.test(42); |
} |