Test multiple levels of nesting and exception handler range splitting.
Signed-off-by: Tomek Grabiec <[email protected]>
---
regression/jvm/SubroutineTest.j | 92 +++++++++++++++++++++++++++++++++++++++
1 files changed, 92 insertions(+), 0 deletions(-)
diff --git a/regression/jvm/SubroutineTest.j b/regression/jvm/SubroutineTest.j
index a44576f..a438831 100644
--- a/regression/jvm/SubroutineTest.j
+++ b/regression/jvm/SubroutineTest.j
@@ -31,8 +31,100 @@ subroutine:
ret_w 1
.end method
+; This test checks correct exception handler range split When JSR S
+; instruction is protected by an exception handler which does not
+; protect the S body then exception handler range must be split so
+; that it does not cover the JSR instruction. Otherwise exception
+; thrown from S could be incorrectly caught by handler protecting
+; the JSR instruction.
+.method public static testExceptionRangeSplit()V
+ .limit locals 2
+ .catch java/lang/RuntimeException from c_start to c_end using handler
+ .catch java/lang/Exception from sub_start to sub_end using sub_handler
+
+c_start:
+ jsr_w subroutine
+c_end:
+ return
+handler:
+ pop
+ invokestatic jvm/TestCase/fail()V
+ return
+
+subroutine:
+ astore 1
+sub_start:
+ new java/lang/RuntimeException
+ dup
+ invokevirtual java/lang/RuntimeException/<init>()V
+ athrow
+sub_end:
+ goto sub_out
+sub_handler:
+ pop
+sub_out:
+ ret 1
+.end method
+
+; This method contains 3 nested subroutines.
+.method public static testNestedSubroutines()V
+ .limit locals 7
+
+ iconst_0
+ istore 4
+ iconst_0
+ istore 5
+ iconst_0
+ istore 6
+
+ jsr s1
+ jsr s2
+ goto l1
+s1:
+ astore 1
+ iinc 4 1
+ jsr s2
+ jsr s3
+ goto s1_out
+s2:
+ astore 2
+ iinc 5 1
+ jsr s3
+ goto s2_out
+s3:
+ astore 3
+ iinc 6 1
+ ret 3
+s2_out:
+ ret 2
+s1_out:
+ ret 1
+
+l1:
+ jsr s3
+
+ ; S1 counter
+ iload 4
+ iconst_1
+ invokestatic jvm/TestCase/assertEquals(II)V
+
+ ; S2 counter
+ iload 5
+ iconst_2
+ invokestatic jvm/TestCase/assertEquals(II)V
+
+ ; S3 counter
+ iload 6
+ iconst_4
+ invokestatic jvm/TestCase/assertEquals(II)V
+
+ return
+.end method
+
.method public static main([Ljava/lang/String;)V
invokestatic jvm/SubroutineTest/testSingleSubroutine()V
invokestatic jvm/SubroutineTest/testWideInstructions()V
+ invokestatic jvm/SubroutineTest/testExceptionRangeSplit()V
+ invokestatic jvm/SubroutineTest/testNestedSubroutines()V
return
.end method
--
1.6.0.6
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