Testing batch-mode diagnostic suppression.

Author: David Ungar

test/Misc/Inputs/serialized-diagnostics-batch-mode-suppression-helper.swift

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+typealias SomeType = NonExistentType

test/Misc/serialized-diagnostics-batch-mode-nonprimary-suppression.swift

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+// To avoid redundant diagnostics showing up in Xcode, batch-mode must suppress diagnostics in
+// non-primary files.
+//
+// RUN: rm -f %t.*
+
+// RUN: not %target-swift-frontend -typecheck  -primary-file %s  -serialize-diagnostics-path %t.main.dia -primary-file %S/../Inputs/empty.swift  -serialize-diagnostics-path %t.empty.dia %S/Inputs/serialized-diagnostics-batch-mode-suppression-helper.swift    2> %t.stderr.txt
+// RUN: c-index-test -read-diagnostics %t.main.dia 2> %t.main.txt
+// RUN: c-index-test -read-diagnostics %t.empty.dia 2> %t.empty.txt
+
+// Ensure there was an error:
+
+// RUN: %FileCheck -check-prefix=ERROR %s <%t.stderr.txt
+// ERROR: error:
+
+// Ensure the error is not in the serialized diagnostics:
+
+// RUN: %FileCheck -check-prefix=NO-DIAGNOSTICS %s <%t.main.txt
+// RUN: %FileCheck -check-prefix=NO-DIAGNOSTICS %s <%t.empty.txt
+// NO-DIAGNOSTICS: Number of diagnostics: 0
+
+// RUN: not %FileCheck -check-prefix=ERROR %s <%t.main.txt
+// RUN: not %FileCheck -check-prefix=ERROR %s <%t.empty.txt
+
+
+func test(x: SomeType) {
+ // CHECK-MAIN-DAG: serialized-diagnostics-batch-mode.swift:[[@LINE]]:3: error: use of unresolved identifier 'nonexistent'
+  // CHECK-STDERR-DAG: serialized-diagnostics-batch-mode.swift:[[@LINE-1]]:3: error: use of unresolved identifier 'nonexistent'
+
+  // The other file has a similar call.
+  // CHECK-HELPER-DAG: serialized-diagnostics-batch-mode-helper.swift:{{[0-9]+}}:3: error: use of unresolved identifier 'nonexistent'
+  // CHECK-STDERR-DAG: serialized-diagnostics-batch-mode-helper.swift:{{[0-9]+}}:3: error: use of unresolved identifier 'nonexistent'
+}