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[FileCheck] Clean and improve unit tests
Summary: Clean redundant unit test checks (codepath already tested elsewhere) and add a few missing checks for existing numeric substitution and match logic. Reviewers: jhenderson, jdenny, probinson, grimar, arichardson, rnk Reviewed By: jhenderson Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D72912
This commit is contained in:
Thomas Preud'homme
parent
36ed4a8d37
commit
dd4c319f8a
@ -239,13 +239,13 @@ public:
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P = Pattern(Check::CheckPlain, &Context, LineNumber++);
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}
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bool parseSubstExpect(StringRef Expr) {
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bool parseSubstExpect(StringRef Expr, bool IsLegacyLineExpr = false) {
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StringRef ExprBufferRef = bufferize(SM, Expr);
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Optional<NumericVariable *> DefinedNumericVariable;
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return errorToBool(
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P.parseNumericSubstitutionBlock(ExprBufferRef, DefinedNumericVariable,
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false, LineNumber - 1, &Context, SM)
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.takeError());
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return errorToBool(P.parseNumericSubstitutionBlock(
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ExprBufferRef, DefinedNumericVariable,
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IsLegacyLineExpr, LineNumber - 1, &Context, SM)
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.takeError());
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}
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bool parsePatternExpect(StringRef Pattern) {
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@ -260,14 +260,15 @@ public:
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}
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};
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TEST_F(FileCheckTest, ParseExpr) {
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TEST_F(FileCheckTest, ParseNumericSubstitutionBlock) {
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PatternTester Tester;
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// Variable definition.
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// Definition of invalid variable.
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EXPECT_TRUE(Tester.parseSubstExpect("10VAR:"));
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EXPECT_TRUE(Tester.parseSubstExpect("@FOO:"));
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// Invalid variable name.
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EXPECT_TRUE(Tester.parseSubstExpect("%VAR:"));
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// Invalid definition of pseudo variable.
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EXPECT_TRUE(Tester.parseSubstExpect("@LINE:"));
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// Conflict with pattern variable.
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@ -281,82 +282,100 @@ TEST_F(FileCheckTest, ParseExpr) {
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EXPECT_FALSE(Tester.parseSubstExpect(" VAR2:"));
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EXPECT_FALSE(Tester.parseSubstExpect("VAR3 :"));
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EXPECT_FALSE(Tester.parseSubstExpect("VAR3: "));
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EXPECT_FALSE(Tester.parsePatternExpect("[[#FOOBAR: FOO+1]]"));
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EXPECT_FALSE(Tester.parseSubstExpect("FOOBAR: FOO+1"));
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// Numeric expression.
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// Unacceptable variable.
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EXPECT_TRUE(Tester.parseSubstExpect("10VAR"));
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// Invalid variable name.
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EXPECT_TRUE(Tester.parseSubstExpect("%VAR"));
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// Invalid pseudo variable.
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EXPECT_TRUE(Tester.parseSubstExpect("@FOO"));
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// Only valid variable.
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EXPECT_FALSE(Tester.parseSubstExpect("@LINE"));
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EXPECT_FALSE(Tester.parseSubstExpect("FOO"));
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EXPECT_FALSE(Tester.parseSubstExpect("UNDEF"));
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// Invalid use of variable defined on the same line. Use parsePatternExpect
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// for the variable to be recorded in GlobalNumericVariableTable and thus
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// appear defined to parseNumericVariableUse. Note that the same pattern
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// object is used for the parsePatternExpect and parseSubstExpect since no
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// initNextPattern is called, thus appearing as being on the same line from
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// the pattern's point of view.
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ASSERT_FALSE(Tester.parsePatternExpect("[[#SAME_LINE_VAR:]]"));
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EXPECT_TRUE(Tester.parseSubstExpect("SAME_LINE_VAR"));
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// Invalid use of variable defined on the same line from an expression not
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// using any variable defined on the same line.
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ASSERT_FALSE(Tester.parsePatternExpect("[[#SAME_LINE_EXPR_VAR:@LINE+1]]"));
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EXPECT_TRUE(Tester.parseSubstExpect("SAME_LINE_EXPR_VAR"));
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// Valid use of undefined variable which creates the variable and record it
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// in GlobalNumericVariableTable.
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ASSERT_FALSE(Tester.parseSubstExpect("UNDEF"));
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EXPECT_TRUE(Tester.parsePatternExpect("[[UNDEF:.*]]"));
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// Invalid literal.
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EXPECT_TRUE(Tester.parseSubstExpect("42U"));
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// Valid empty expression.
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EXPECT_FALSE(Tester.parseSubstExpect(""));
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// Invalid use of variable defined on the same line from expression. Note
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// that the same pattern object is used for the parsePatternExpect and
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// parseSubstExpect since no initNextPattern is called, thus appearing as
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// being on the same line from the pattern's point of view.
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ASSERT_FALSE(Tester.parsePatternExpect("[[#LINE1VAR:FOO+1]]"));
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EXPECT_TRUE(Tester.parseSubstExpect("LINE1VAR"));
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// Valid single operand expression.
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EXPECT_FALSE(Tester.parseSubstExpect("FOO"));
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// Invalid use of variable defined on same line from input. As above, the
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// absence of a call to initNextPattern makes it appear to be on the same
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// line from the pattern's point of view.
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ASSERT_FALSE(Tester.parsePatternExpect("[[#LINE2VAR:]]"));
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EXPECT_TRUE(Tester.parseSubstExpect("LINE2VAR"));
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// Valid expression with 2 or more operands.
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EXPECT_FALSE(Tester.parseSubstExpect("FOO+3"));
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EXPECT_FALSE(Tester.parseSubstExpect("FOO-3+FOO"));
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// Unsupported operator.
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EXPECT_TRUE(Tester.parseSubstExpect("@LINE/2"));
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// Missing offset operand.
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// Missing RHS operand.
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EXPECT_TRUE(Tester.parseSubstExpect("@LINE+"));
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// Valid expression.
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EXPECT_FALSE(Tester.parseSubstExpect("@LINE+5"));
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EXPECT_FALSE(Tester.parseSubstExpect("FOO+4"));
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Tester.initNextPattern();
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EXPECT_FALSE(Tester.parseSubstExpect("FOOBAR"));
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EXPECT_FALSE(Tester.parseSubstExpect("LINE1VAR"));
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EXPECT_FALSE(Tester.parsePatternExpect("[[#FOO+FOO]]"));
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EXPECT_FALSE(Tester.parsePatternExpect("[[#FOO+3-FOO]]"));
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// Errors in RHS operand are bubbled up by parseBinop() to
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// parseNumericSubstitutionBlock.
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EXPECT_TRUE(Tester.parseSubstExpect("@LINE+%VAR"));
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// Invalid legacy @LINE expression with non literal rhs.
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EXPECT_TRUE(Tester.parseSubstExpect("@LINE+@LINE", /*IsLegacyNumExpr=*/true));
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// Invalid legacy @LINE expression made of a single literal.
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EXPECT_TRUE(Tester.parseSubstExpect("2", /*IsLegacyNumExpr=*/true));
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// Valid legacy @LINE expression.
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EXPECT_FALSE(Tester.parseSubstExpect("@LINE+2", /*IsLegacyNumExpr=*/true));
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// Invalid legacy @LINE expression with more than 2 operands.
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EXPECT_TRUE(
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Tester.parseSubstExpect("@LINE+2+@LINE", /*IsLegacyNumExpr=*/true));
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EXPECT_TRUE(Tester.parseSubstExpect("@LINE+2+2", /*IsLegacyNumExpr=*/true));
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}
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TEST_F(FileCheckTest, ParsePattern) {
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PatternTester Tester;
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// Space in pattern variable expression.
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// Invalid space in string substitution.
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EXPECT_TRUE(Tester.parsePatternExpect("[[ BAR]]"));
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// Invalid variable name.
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// Invalid variable name in string substitution.
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EXPECT_TRUE(Tester.parsePatternExpect("[[42INVALID]]"));
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// Invalid pattern variable definition.
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// Invalid string variable definition.
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EXPECT_TRUE(Tester.parsePatternExpect("[[@PAT:]]"));
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EXPECT_TRUE(Tester.parsePatternExpect("[[PAT+2:]]"));
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// Collision with numeric variable.
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EXPECT_TRUE(Tester.parsePatternExpect("[[FOO:]]"));
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// Valid use of pattern variable.
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// Valid use of string variable.
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EXPECT_FALSE(Tester.parsePatternExpect("[[BAR]]"));
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// Valid pattern variable definition.
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// Valid string variable definition.
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EXPECT_FALSE(Tester.parsePatternExpect("[[PAT:[0-9]+]]"));
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// Invalid numeric expressions.
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// Invalid numeric substitution.
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EXPECT_TRUE(Tester.parsePatternExpect("[[#42INVALID]]"));
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EXPECT_TRUE(Tester.parsePatternExpect("[[#@FOO]]"));
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EXPECT_TRUE(Tester.parsePatternExpect("[[#@LINE/2]]"));
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// Valid numeric expressions and numeric variable definition.
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// Valid numeric substitution.
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EXPECT_FALSE(Tester.parsePatternExpect("[[#FOO]]"));
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EXPECT_FALSE(Tester.parsePatternExpect("[[#@LINE+2]]"));
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EXPECT_FALSE(Tester.parsePatternExpect("[[#NUMVAR:]]"));
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}
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TEST_F(FileCheckTest, Match) {
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@ -374,7 +393,17 @@ TEST_F(FileCheckTest, Match) {
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EXPECT_TRUE(Tester.matchExpect(""));
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EXPECT_FALSE(Tester.matchExpect("18"));
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// Check matching the variable defined matches the correct number only
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// Check matching an undefined variable returns a NotFound error.
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Tester.initNextPattern();
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ASSERT_FALSE(Tester.parsePatternExpect("100"));
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EXPECT_TRUE(Tester.matchExpect("101"));
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// Check matching the defined variable matches the correct number only.
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Tester.initNextPattern();
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ASSERT_FALSE(Tester.parsePatternExpect("[[#NUMVAR]]"));
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EXPECT_FALSE(Tester.matchExpect("18"));
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// Check matching several substitutions does not match them independently.
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Tester.initNextPattern();
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Tester.parsePatternExpect("[[#NUMVAR]] [[#NUMVAR+2]]");
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EXPECT_TRUE(Tester.matchExpect("19 21"));
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@ -385,16 +414,16 @@ TEST_F(FileCheckTest, Match) {
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// the correct value for @LINE.
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Tester.initNextPattern();
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EXPECT_FALSE(Tester.parsePatternExpect("[[#@LINE]]"));
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// Ok, @LINE is 5 now.
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EXPECT_FALSE(Tester.matchExpect("5"));
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// Ok, @LINE is 7 now.
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EXPECT_FALSE(Tester.matchExpect("7"));
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Tester.initNextPattern();
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// @LINE is now 6, match with substitution failure.
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// @LINE is now 8, match with substitution failure.
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EXPECT_FALSE(Tester.parsePatternExpect("[[#UNKNOWN]]"));
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EXPECT_TRUE(Tester.matchExpect("FOO"));
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Tester.initNextPattern();
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// Check that @LINE is 7 as expected.
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// Check that @LINE is 9 as expected.
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EXPECT_FALSE(Tester.parsePatternExpect("[[#@LINE]]"));
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EXPECT_FALSE(Tester.matchExpect("7"));
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EXPECT_FALSE(Tester.matchExpect("9"));
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}
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TEST_F(FileCheckTest, Substitution) {
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@ -411,30 +440,19 @@ TEST_F(FileCheckTest, Substitution) {
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ASSERT_FALSE(bool(SubstValue));
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expectUndefError("VAR404", SubstValue.takeError());
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// Substitutions of defined pseudo and non-pseudo numeric variables return
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// the right value.
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NumericVariable LineVar("@LINE", 1);
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// Numeric substitution blocks constituted of defined numeric variables are
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// substituted for the variable's value.
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NumericVariable NVar("N", 1);
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LineVar.setValue(42);
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NVar.setValue(10);
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auto LineVarUse = std::make_unique<NumericVariableUse>("@LINE", &LineVar);
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auto NVarUse = std::make_unique<NumericVariableUse>("N", &NVar);
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NumericSubstitution SubstitutionLine(&Context, "@LINE", std::move(LineVarUse),
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12);
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NumericSubstitution SubstitutionN(&Context, "N", std::move(NVarUse), 30);
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SubstValue = SubstitutionLine.getResult();
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ASSERT_TRUE(bool(SubstValue));
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EXPECT_EQ("42", *SubstValue);
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NumericSubstitution SubstitutionN(&Context, "N", std::move(NVarUse),
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/*InsertIdx=*/30);
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SubstValue = SubstitutionN.getResult();
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ASSERT_TRUE(bool(SubstValue));
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EXPECT_EQ("10", *SubstValue);
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// Substitution of an undefined numeric variable fails, error holds name of
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// undefined variable.
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LineVar.clearValue();
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SubstValue = SubstitutionLine.getResult();
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ASSERT_FALSE(bool(SubstValue));
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expectUndefError("@LINE", SubstValue.takeError());
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NVar.clearValue();
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SubstValue = SubstitutionN.getResult();
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ASSERT_FALSE(bool(SubstValue));
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@ -453,6 +471,9 @@ TEST_F(FileCheckTest, FileCheckContext) {
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std::vector<std::string> GlobalDefines;
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SourceMgr SM;
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// No definition.
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EXPECT_FALSE(errorToBool(Cxt.defineCmdlineVariables(GlobalDefines, SM)));
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// Missing equal sign.
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GlobalDefines.emplace_back(std::string("LocalVar"));
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EXPECT_TRUE(errorToBool(Cxt.defineCmdlineVariables(GlobalDefines, SM)));
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@ -505,19 +526,35 @@ TEST_F(FileCheckTest, FileCheckContext) {
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GlobalDefines.emplace_back(std::string("#LocalNumVar2=LocalNumVar1+2"));
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ASSERT_FALSE(errorToBool(Cxt.defineCmdlineVariables(GlobalDefines, SM)));
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// Check defined variables are present and undefined is absent.
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// Create @LINE pseudo numeric variable and check it is present by matching
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// it.
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size_t LineNumber = 1;
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Pattern P(Check::CheckPlain, &Cxt, LineNumber);
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FileCheckRequest Req;
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Cxt.createLineVariable();
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ASSERT_FALSE(P.parsePattern("[[@LINE]]", "CHECK", SM, Req));
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size_t MatchLen;
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ASSERT_FALSE(errorToBool(P.match("1", MatchLen, SM).takeError()));
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#ifndef NDEBUG
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// Recreating @LINE pseudo numeric variable fails.
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EXPECT_DEATH(Cxt.createLineVariable(),
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"@LINE pseudo numeric variable already created");
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#endif
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// Check defined variables are present and undefined ones are absent.
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StringRef LocalVarStr = "LocalVar";
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StringRef LocalNumVar1Ref = bufferize(SM, "LocalNumVar1");
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StringRef LocalNumVar2Ref = bufferize(SM, "LocalNumVar2");
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StringRef EmptyVarStr = "EmptyVar";
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StringRef UnknownVarStr = "UnknownVar";
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Expected<StringRef> LocalVar = Cxt.getPatternVarValue(LocalVarStr);
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Pattern P(Check::CheckPlain, &Cxt, 1);
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P = Pattern(Check::CheckPlain, &Cxt, ++LineNumber);
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Optional<NumericVariable *> DefinedNumericVariable;
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Expected<std::unique_ptr<ExpressionAST>> ExpressionASTPointer =
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P.parseNumericSubstitutionBlock(LocalNumVar1Ref, DefinedNumericVariable,
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/*IsLegacyLineExpr=*/false,
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/*LineNumber=*/1, &Cxt, SM);
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/*IsLegacyLineExpr=*/false, LineNumber,
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&Cxt, SM);
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ASSERT_TRUE(bool(LocalVar));
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EXPECT_EQ(*LocalVar, "FOO");
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Expected<StringRef> EmptyVar = Cxt.getPatternVarValue(EmptyVarStr);
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@ -526,10 +563,9 @@ TEST_F(FileCheckTest, FileCheckContext) {
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Expected<uint64_t> ExpressionVal = (*ExpressionASTPointer)->eval();
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ASSERT_TRUE(bool(ExpressionVal));
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EXPECT_EQ(*ExpressionVal, 18U);
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ExpressionASTPointer =
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P.parseNumericSubstitutionBlock(LocalNumVar2Ref, DefinedNumericVariable,
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/*IsLegacyLineExpr=*/false,
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/*LineNumber=*/1, &Cxt, SM);
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ExpressionASTPointer = P.parseNumericSubstitutionBlock(
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LocalNumVar2Ref, DefinedNumericVariable,
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/*IsLegacyLineExpr=*/false, LineNumber, &Cxt, SM);
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ASSERT_TRUE(bool(ExpressionASTPointer));
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ExpressionVal = (*ExpressionASTPointer)->eval();
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ASSERT_TRUE(bool(ExpressionVal));
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@ -547,16 +583,16 @@ TEST_F(FileCheckTest, FileCheckContext) {
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// variable clearing due to --enable-var-scope happens after numeric
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// expressions are linked to the numeric variables they use.
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EXPECT_TRUE(errorToBool((*ExpressionASTPointer)->eval().takeError()));
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P = Pattern(Check::CheckPlain, &Cxt, 2);
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P = Pattern(Check::CheckPlain, &Cxt, ++LineNumber);
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ExpressionASTPointer = P.parseNumericSubstitutionBlock(
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LocalNumVar1Ref, DefinedNumericVariable, /*IsLegacyLineExpr=*/false,
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/*LineNumber=*/2, &Cxt, SM);
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LineNumber, &Cxt, SM);
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ASSERT_TRUE(bool(ExpressionASTPointer));
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ExpressionVal = (*ExpressionASTPointer)->eval();
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EXPECT_TRUE(errorToBool(ExpressionVal.takeError()));
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ExpressionASTPointer = P.parseNumericSubstitutionBlock(
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LocalNumVar2Ref, DefinedNumericVariable, /*IsLegacyLineExpr=*/false,
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/*LineNumber=*/2, &Cxt, SM);
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LineNumber, &Cxt, SM);
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ASSERT_TRUE(bool(ExpressionASTPointer));
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ExpressionVal = (*ExpressionASTPointer)->eval();
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EXPECT_TRUE(errorToBool(ExpressionVal.takeError()));
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@ -575,10 +611,10 @@ TEST_F(FileCheckTest, FileCheckContext) {
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Expected<StringRef> GlobalVar = Cxt.getPatternVarValue(GlobalVarStr);
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ASSERT_TRUE(bool(GlobalVar));
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EXPECT_EQ(*GlobalVar, "BAR");
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P = Pattern(Check::CheckPlain, &Cxt, 3);
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P = Pattern(Check::CheckPlain, &Cxt, ++LineNumber);
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ExpressionASTPointer = P.parseNumericSubstitutionBlock(
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GlobalNumVarRef, DefinedNumericVariable, /*IsLegacyLineExpr=*/false,
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/*LineNumber=*/3, &Cxt, SM);
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LineNumber, &Cxt, SM);
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ASSERT_TRUE(bool(ExpressionASTPointer));
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ExpressionVal = (*ExpressionASTPointer)->eval();
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ASSERT_TRUE(bool(ExpressionVal));
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@ -587,10 +623,10 @@ TEST_F(FileCheckTest, FileCheckContext) {
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// Clear local variables and check global variables remain defined.
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Cxt.clearLocalVars();
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EXPECT_FALSE(errorToBool(Cxt.getPatternVarValue(GlobalVarStr).takeError()));
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P = Pattern(Check::CheckPlain, &Cxt, 4);
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P = Pattern(Check::CheckPlain, &Cxt, ++LineNumber);
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ExpressionASTPointer = P.parseNumericSubstitutionBlock(
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GlobalNumVarRef, DefinedNumericVariable, /*IsLegacyLineExpr=*/false,
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/*LineNumber=*/4, &Cxt, SM);
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LineNumber, &Cxt, SM);
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ASSERT_TRUE(bool(ExpressionASTPointer));
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ExpressionVal = (*ExpressionASTPointer)->eval();
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ASSERT_TRUE(bool(ExpressionVal));
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